{"id":119,"date":"2020-07-14T08:03:57","date_gmt":"2020-07-14T13:03:57","guid":{"rendered":"https:\/\/dirts4racing.com\/?page_id=119"},"modified":"2020-07-14T08:03:57","modified_gmt":"2020-07-14T13:03:57","slug":"2020-d4r-thunder-stock-rules","status":"publish","type":"page","link":"https:\/\/dirts4racing.com\/rules\/2020-d4r-thunder-stock-rules\/","title":{"rendered":"2020 D4R THUNDER STOCK RULES"},"content":{"rendered":"<p style=\"text-align: center;\"><strong>V8 warriors by East Bay Rule or These V8 Thunder Stock rules are for D4R events\u00a0\u00a0<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>At East bay all car must have a muffler!\u00a0\u00a0<\/strong><\/p>\n<p style=\"text-align: center;\"><strong>V8 THUNDERSTOCK RULE BOOK | 2020\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">This is a protest Division No Radios | <\/span><span data-contrast=\"auto\">Raceceivers<\/span><span data-contrast=\"auto\"> are mandatory!<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Track officials may inspect any car and equipment at any time for compliance.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">No radios or audible communication devices. No in-car lap timers.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">No electronic enhancing devices-No traction control. No Rev limiters. No adjustable timing boxes. <\/span><\/p>\n<p><strong>SAFETY:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">-All cars will have an extensive safety inspection before being allowed to race. Upon the first time, visiting track with a car that has not previously raced during current calendar year, please immediately bring car to the Tech inspection area and request an initial safety check. Please bring all required safety gear to be inspected at this time. This includes helmet, suit, gloves and any Head and Neck limiting devices.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">-All required safety equipment and apparel must be in use anytime car in on track and may be inspected at any time.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>General Safety Rules<\/strong><\/p>\n<ul>\n<li><span data-contrast=\"auto\"> Each competitor is solely responsible for the effectiveness and proper installation, per the manufacturer\u2019s specifications, of personal safety equipment and determining it to be adequate for competition at every event. Each competitor is expected to investigate and educate themselves for continuing improvement regarding their own personal safety equipment.<\/span><\/li>\n<li><span data-contrast=\"auto\"> Different safety regulations may be in place depending on the local and\/or state government rules and\/or laws and\/or regulations in the specific location of the racetrack. Helmet and seatbelt dates and\/or specified equipment requirements, worn, utilized and\/or otherwise may be different than specified in the rulebook. Contact your local track officials for more information regarding this.<\/span><\/li>\n<li><span data-contrast=\"auto\"> All participants are solely responsible to meet the requirements in the specific division.<\/span><\/li>\n<\/ul>\n<p><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>Protective Clothing<\/strong><\/p>\n<ul>\n<li><span data-contrast=\"auto\"> All drivers will be required to wear a fire-resistant driving uniform meeting minimum of the SFI 3.2A\/5 specifications and display a valid SFI 3.2A\/5 label on the outside of the uniform. Damaged uniforms will not be allowed.<\/span><\/li>\n<li><span data-contrast=\"auto\"> Drivers must wear gloves at all times they are on track. Driver&#8217;s gloves must meet or exceed the SFI 3.3 specification and have a legible and valid SFI 3.3 label.<\/span><\/li>\n<li><span data-contrast=\"auto\"> Drivers must wear shoes that meet minimum of the SFI 3.3 specifications and display a valid SFI 3.3 label.<\/span><\/li>\n<\/ul>\n<p><strong>Helmets<\/strong><\/p>\n<p><span data-contrast=\"auto\">All drivers must wear a full-face helmet with a minimum safety rating of FIA 8860-2010, FIA 8860-2018, Snell SA 2015, Snell SA 2010, Snell SAH 2010 and\/or a valid SFI 31.1\/2005 label.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<ul>\n<li><span data-contrast=\"auto\">A minimum four-point roll cage is required. Must be steel tubing, a minimum of 1 1\u20442\u201d (1.50\u201d) outside diameter with minimum of 0.095\u201d wall thickness. No square tubing or galvanized pipe allowed. All rear and front roll cage tubes must sit on original frame. Front and rear down bars allowed. Minimum of 4 bars on driver\u2019s side. 3 bars on passenger side. No exceptions.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">It is required to have a .125\u201d Steel plate covering driver\u2019s door bars. May bolt or weld on.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Roll bar padding recommended around driver. All cars must have a fire extinguisher minimum 2 lbs. with a working and visible gauge securely mounted within easy reach of the driver. Complete fire suppression systems are recommended.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"auto\">Window nets are required on the driver\u2019s side of the car and must be securely mounted. Window net must be operational from inside and outside of the car. Window net must be a minimum of 18\u201dx18\u201d. No sprint nets. Drivers must be able to exit both sides of the car.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><strong>Seats<\/strong><\/p>\n<ul>\n<li><span data-contrast=\"auto\"> A full containment type constructed of aluminum or approved carbon fiber seats is Highly Recommended<\/span><\/li>\n<li><span data-contrast=\"auto\"> Seats must be used as supplied and installed following instructions provided by the seat manufacturer.<\/span><\/li>\n<\/ul>\n<p><strong>Seat Belt and Restraint System<\/strong><\/p>\n<ul>\n<li><span data-contrast=\"auto\"> Each car must be equipped with minimum of an SFI 16.1 or SFI 16.5 approved restraint system. Restraint system will be eligible for use in competition until the expiration date or for 2 years from the date of manufacture. Seat belt restraint systems shall be installed and used in accordance with manufacturer\u2019s instructions.<\/span><\/li>\n<li><span data-contrast=\"auto\"> In any type of manufacturer\u2019s installation, the fasteners must be as supplied by the manufacturer.<\/span><\/li>\n<li><span data-contrast=\"auto\"> Seat belt material should not be permitted to come in contact with any sharp or metal edge, including when the material passes through the seat.<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"auto\">-Complete <\/span><span data-contrast=\"auto\">10lb<\/span><span data-contrast=\"auto\"> automatic fire suppression system is highly recommended.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">-Drive shaft loop will be a 5\u201d diameter steel loop. 1\u201d wide and 1\u20444\u201d thick. It must be securely mounted to the frame 12\u201d from the front universal.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">&#8211; All lead ballast must be painted white with car number and secured with (2) 1\u20442\u201d bolts. This will be inspected.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">-If any weight falls off the car during competition, car is disqualified immediately, even if car still is over required weight<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">-If it\u2019s not stated in the rules it doesn\u2019t mean, it\u2019s approved. Please consult with tech official for approval.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">-All tech decisions are final. Track Management as well as the Tech official reserves the right to disqualify any car and\/or driver that does not comply with all safety requirements. Competition will not and cannot come before safety.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>CAR:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">Any 1970 or newer American made production 2 or 4 door sedan.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">The minimum wheelbase allowed is 101\u201d, 1\u201d tolerance, centerline of front wheels to centerline of rear wheels. Uni-body cars may be tied together.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Ride height will be as follows, 5\u201d Inch minimum height at stock frame rails.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">In case a frame issue comes up from a wreck, get with tech to see how or if the chassis is capable to be put back to be legal. No chopping, shortening, or channeling. No double frame. No plating or x bracing. May replace rear frame behind spring\/shock mounts on coil cars or past center of rear end on leaf springs. 2\u201dx2\u201d or 2\u201dx3\u201d allowed.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">No subcompact cars. No foreign convertibles, four-wheel drive or front wheel drive cars allowed.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>WEIGHT:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">3300 lbs. with original driver after completion. No burn off unless notified. 25# Weight Break for Full Containment Seat<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">25# Weight Break for head and Neck system\/HANS<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">25# Weight Break for Fire Suppression System<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\u00a0\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>BODY:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">Stock body panels or self-made body panels aluminum or steel only that are as close to stock appearing as possible with no sharp edges or protrusions. May be replaced with .035 (20 gauge) magnetic steel or .040 aluminum minimum. Stock OEM body parts are allowed, may be stock replacement aftermarket.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">May have Steel, Aluminum or Fiberglass hood. Must have hood pins in front, hinges or hood pins at rear. No hood scoops. No air cleaners protruding through hood. No holes in hood (Except hood pins). All <\/span><span data-contrast=\"auto\">hoods must be stock appearing and have no sharp downward or sloping breaks\/angles towards nose piece. No wide fender flares, skirts or material.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Stock steel roofs are required. No aluminum roofs. No flaring of bodies. Doors must meet rocker panels. No flat doors. Must have stock rockers panels. Must retain door posts where front door hinges bolt.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Side skirts may be (6) inch maximum height and run length of body from front wheel opening to rear wheel well. Rear quarters may not flare out, must not angle upward. Rear skirts must angle upwards towards deck lid. Needs to appear stock.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Any interior part that is flammable must be removed. Must retain rear wheel wells.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Left and right passenger doors may be gutted for roll bars. All exterior trim must be removed. Inner front fender panels may be removed. Fenders may be trimmed for tire clearance.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Complete stock floor pan must be retained. No sheet metal floor pan. In case of repairing damaged, rusting or rotted floor pan you must use .035(20 gauge) or heavier of stock floor pan. May remove body bushings and bolts. Firewall and <\/span><span data-contrast=\"auto\">floorplan<\/span><span data-contrast=\"auto\"> must remain in stock location.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Plastic stock appearing noses only. No slope or late model style noses. Must match original body. If none available, contact tech man for options (may run metric Monte Carlo nose on Malibu, Nova or most GM products except for Camaro or Firebird. May run T-Bird or Mustang nose on any Ford Product. No sloped noses or late model style noses. Nose 6\u201d inch minimum from ground.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Factory spoilers and side skirts are okay. 6\u201d by 60\u201d maximum after-market spoiler. No side spoilers. May run no more than (2) 1\u201dx 1\/8\u201d forward braces.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Bumpers may be steel tubing with no sharp edges, corners, must be rounded. (Sharp edge rule will be strictly enforced-If it will cut tires you will be parked until fixed).<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">May have rub rails (one per side only) made of 1\u201d round or square tubing, ends must be capped at a 45degree angle. <\/span><span data-contrast=\"auto\">Lexan<\/span><span data-contrast=\"auto\"> style okay.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Trunk and fuel cell must be tightly sealed from the driver compartment. Trunk must retain stock dimensions and open.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">May deck from behind driver seat to rear window. Rear spoiler, from deck height to top of spoiler must not exceed 6\u201d at any angle. Rear quarter panels may be no longer than 51\u201d from center of wheel to top of quarter where spoiler attaches.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>CHASSIS &amp; SUSPENSION:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">All chassis, suspension, and steering components must be stock for year, make, and model unless otherwise noted. Quick release Mandatory. Quick steer ok.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>FRONT SUSPENSION:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">Caster and Camber may be adjusted with any length bolts. Stock unaltered lower control arms. Stock upper control arms may not be altered (may trim for access to upper shock nut). Bushings may be steel, rubber or polyurethane-No <\/span><span data-contrast=\"auto\">monoballs<\/span><span data-contrast=\"auto\"> or spherical bearings. Moog problem solver offset shaft is allowed on upper control arms.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Upper and Lower ball joints must bolt and\/or press in stock factory mounts with no alterations. No slotting of holes. May be any length. May be rebuildable.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Strut towers must remain stock and unaltered.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Sway bar may be removed. If the sway bar remains on car it must be stock mount on chassis.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">May run any length front spring with a minimum diameter of 5\u201d mounted in stock location (if stock spring diameter is less than 5\u201d consult with tech official). Spring rubbers are ok. Front spring buckets must be Steel-Any length\/Adjustable. Only one spring per wheel.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">No chains or limiting devices.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>REAR SUSPENSION:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">Rear springs must stay vertical, centered over rear axle tube and in stock location, may use aftermarket perch in stock location only. Steel Non-Adjustable Any length rear buckets allowed- may use shims. Rear spring minimum diameter is 5\u201d. No chains or limiting devices.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Upper and lower trailing arms and mounting points must be stock and unaltered. Polyurethane bushings or rubber bushings permitted, No offset bushings, No Mono-balls or spherical bearings. Rear trailing arms may be plated for strength.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Leaf springs may run aftermarket shackles and may be adjustable. No composite leaf springs. No Chrysler leafs. Lowering blocks may be run-No adjustable.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Cars with factory torque arms and <\/span><span data-contrast=\"auto\">panhard<\/span><span data-contrast=\"auto\"> bars must stay completely stock, mounting points must remain in stock location, non-adjustable and unaltered.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>SHOCKS:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">ANY SHOCK ALTERED FROM ORIGINAL MANUFACTURERS SPECIFICATION OR PRODUCTION WILL BE DEEMED ILLEGAL.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">50\/50 or split valve stock replacement shocks in factory stock location only. Shocks must mount as manufactured, by manufacturer without alteration to any part of shock (stud to stud, T-bar to T- bar). No adjustable shocks. No aluminum shock bodies.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">SIMPLE SOLUTION: BUY A SHOCK, REMOVE FROM MANUFACTURERS BOX, BOLT IT ON Must be steel, no welding, cutting or grinding on any part of shock stem, body or mount.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Shock manufacturer and part number must be legible for shock identification.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">No bump stops on\/in shocks. No bump springs on\/in shocks. One spring per wheel.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">One shock per wheel. Shocks must be in factory stock location. May run extensions. No coil overs.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Shock claimer rule, $<\/span><span data-contrast=\"auto\">175 <\/span><span data-contrast=\"auto\">per shock and must forfeit own shocks. Driver claiming shock(s) must have finished on the lead lap. Claim and money must be presented to tech official within ten (10) minutes of race completion. Claimer must also bring car straight to tech after completion of race for exchange.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>ENGINE:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">Stock for make and model. GM350, Chrysler360, Ford351 MAX. Metric cars will be allowed 350 cubic inch engine.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Engine location in stock position for make and model in factory mounts. Engines must remain strictly stock as produced by manufacturer. No modifications of any kind unless outlined herein.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">All internal components cannot exceed factory OEM specs. It is your responsibility to provide factory data to back up your specs and not the tracks. No high-performance parts of any kind unless noted otherwise herein.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">CHEVY 602 Crate Engine Approved. Must be factory sealed\/Crate Racing Approved rebuilder sealed. All other rules apply. Any competitor caught tampering with crate engine. 1st <\/span><span data-contrast=\"auto\">offence<\/span><span data-contrast=\"auto\"> ~ two weeks\u2019 suspension, 2nd <\/span><span data-contrast=\"auto\">offence<\/span><span data-contrast=\"auto\"> ~ suspended for remainder of season.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Will be <\/span><span data-contrast=\"auto\">teched<\/span><span data-contrast=\"auto\"> by G.M. Specifications.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Crate Engine Carburetor: Holley 80541HP 650 CFM -NO SPACERS-Max gasket thickness .125 total. No billet parts. Must remain within Holley specifications. Must pass track NO\/GO gauges.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Crate may run aftermarket distributor. HEI only-No printed circuit boards.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">FORD S347JR Crate Engine Approved. Must be factory sealed. All other rules apply.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Any competitor caught tampering with crate engine. 1st <\/span><span data-contrast=\"auto\">offence<\/span><span data-contrast=\"auto\"> ~ two weeks\u2019 suspension, 2nd <\/span><span data-contrast=\"auto\">offence<\/span><span data-contrast=\"auto\"> ~ suspended for remainder of season.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Will be <\/span><span data-contrast=\"auto\">teched<\/span><span data-contrast=\"auto\"> by FORD Specifications.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Crate Engine Carburetor: Holley 4412 500 2BBL with 1.125\u201d adapter inc gaskets. May run 4412XP. No part of spacer may protrude into intake manifold.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">No billet parts except on XP. Must remain within Holley specifications. No<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">alterations. Must pass track NO\/GO gauges.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">No electronic enhancing devices-No traction control. No Rev limiters. No adjustable timing boxes<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">The Markings on the front face of the counterweight of the cast replacement 350 crankshaft have been changed over the years.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">9-10442R and 935010R are exactly the same crankshafts. You will notice the 522 mold number and the SCAT cast on the crank.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>ROTATING ASSEMBLY:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">Eagle Rods part # 5700 BPLW non-bushed or bushed. Scat Rods part # 3ICR5700 bushed or non- bushed.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Crankshaft OEM stock cast or forged. May balance on bottom of counter weights only. No grinding on any part of crankshaft. Must have a legible part number, if there is no part number it will be deemed illegal.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">May use Eagle Crank part # 103503480 two piece or one piece. Scat crank shaft part # 9-10442 two piece or # 9-10526 one piece. 3.48\u201d stroke only. 47 lb. cast crank. 51 lb. steel crank. No knife edge may balance.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">OEM 4 eyebrow flat top pistons. Stock type replacement with stock type configuration, forged pistons ok.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">May run 2 eyebrow flat top pistons with 72cc combustion chamber heads.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Piston must be stock appearing and in stock position. 3 Ring grooves, stock diameter wrist pins. Piston material must extend passed wrist pin boss. No drilling, cutting or grinding on any part of piston. No gas porting.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Maximum overbore allowed is .060 + .010 for clearance. Piston must not protrude above cylinder deck surface.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>CAMSHAFT &amp; LIFTERS:<\/strong><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">GM .390\/.410, Ford .425\/.450, Dodge .390\/.420, Pontiac .388\/.424 maximum lift at valve. Hydraulic only.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Camshaft may be degreed. Hydraulic flat tappet lifters only, No solid lifter. Must be stock OEM diameter lifters. No lash allowed.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Any 3-piece steel timing chain and gear set. Cam buttons approved. No gear drives. No 4-7 swap camshafts.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>CYLINDER HEADS &amp; VALVETRAIN:<\/strong><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">GM Production Heads 70cc minimum. 56cc head is acceptable for Ford Engine.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Heads must be 72cc with 2-eyebrow pistons-GM only<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">3 angle valve job is ok. Final cut no greater than 75 degrees.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Must use stock valve size for cylinder head used. Maximum valve size 1.94 intake 1.50 exhaust.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">No 2.02 head. No <\/span><span data-contrast=\"auto\">Vortech<\/span><span data-contrast=\"auto\">. No closed chamber. No angle milling. No porting, No gasket matching.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Bronze guides okay. Stainless OEM stock replacement valves. Neck downs and swirl polished are ok.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">1.270\u201d O.D. maximum valve spring diameter. No beehive springs, No wedge or taper springs. No dual valve springs.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">OEM replacement valve spring retainers are ok. No light weight, aluminum, or titanium. Rocker arms 1.5 ratio stamped steel only. No other ratio, no roller tip, no roller body. Screw in studs, guide plates, and poly locks are ok. 7\/16 studs allowed.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">No stud girdle. Absolutely untouched accept for what is specified in the rules.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Lifter valley baffle and screens are okay. Push rods stock length and diameter. (7.800\u201d) Hardened push rods approved.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>CARBURETOR &amp; INTAKE<\/strong><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">GM factory OEM stock 2 or 4 Barrel <\/span><span data-contrast=\"auto\">Quadrajet<\/span><span data-contrast=\"auto\"> (choke plate and shaft may be removed).<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Or Holley 4412 500 <\/span><span data-contrast=\"auto\">cfm<\/span><span data-contrast=\"auto\"> with 1.125\u201d spacer\/adapter including gaskets-no part of spacer may protrude into intake manifold. May remove choke plate and shaft, change jets, power valve and accelerator pump. Must pass track NO\/Go gauge. No billet parts except on XP. May run 4412XP<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Any air cleaner. No cold air boxes or devices to force air into carb.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Cast iron factory stock intake only. No marine or bowtie intakes. No gasket matching, grinding, or porting.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Optional on built engines. Holley <\/span><span data-contrast=\"auto\">600cfm<\/span><span data-contrast=\"auto\"> 1850 carb. May use dual feed, center hung bowl. May run secondary metering block. Must stay vacuum secondary. 1.125\u201d Adapter allowed, including both gaskets no part of adapter may protrude into intake manifold. No billet parts. No changing of baseplates.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">\u00a0\u00a0\u00a0\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>IGNITION:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">Battery must be self-contained and securely mounted in battery tray. 12v only. OEM points or HEI distributor only. May use billet distributor housing.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Distributor may be locked. May use curve kit. No printed circuit board modules. No Rev Limiter. May use aftermarket performance module.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Alternator is allowed-12v only.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">No electronic enhancing devices-No traction control. No Rev limiters. No adjustable timing boxes<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>TRANSMISSION &amp; DRIVETRAIN:<\/strong><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">May run Ford 9\u201d. May be a floater. No Aluminum hubs, rotors, calipers, center sections, tubes, housings, yokes or spools. No cambered rear ends\/tubes or crowned axles. No lockers, limited slip units or torque sensing differentials. Full spool or mini-spools only-must be steel. Full spools must have and use all 10 bolts on ring gear. No lightened or polished ring\/pinions.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">All mounts must be in stock location. On metric chassis lower control arm mounting holes may be no further that 2.75\u201d below rear end tube and upper mounts must be no more than 7.75\u201d from center of rear end tube\/welded seam to mounting holes. No staggering of mounting holes. Spring perches must mount in stock location. Metric rear ends must be within 58\u201d-60.5\u201d and Camaro\u2019s must be within 60\u201d-62.5\u201d (hub face to hub face). All others must be within 1\u201d of stock width.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">May run Stock rear-end for make and model. Welded rear end is ok. Mini spool is ok. Full spool are ok.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">C-clip eliminator kit is allowed. May use aftermarket OEM replacement axles.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">8.5\u201d GM 10 bolt rear ends are allowed in Metric Chassis-Must retain stock mounts.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Cast Iron Z-28 Flywheel is allowed. Minimum weight is 14lbs without bolts. No Aluminum-No Billet flywheels. May run Solid Hub clutch disc Must be full circle-No Puck style.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Must have Steel <\/span><span data-contrast=\"auto\">bellhousing<\/span><span data-contrast=\"auto\"> with manual transmission-No exceptions.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">All transmissions must retain all original working gears in operational condition-Both forward and reverse. No lightening or altering of any part of transmission.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Cars that did not come with a standard transmission can use a hydraulic clutch pedal, slave cylinder or release bearing.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Automatic transmissions allowed. Must have full working converter. No Direct drive or couplers. No Power glides. Must have scatter shield.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Driveshaft must be steel and Painted white.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>EXHAUST:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">Stock OEM cast iron manifold or under chassis header with 3-inch collector (no <\/span><span data-contrast=\"auto\">Tri-Y<\/span><span data-contrast=\"auto\"> or merge collectors.)<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Mufflers allowed. Center dump manifolds ok without frame alteration.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>FUELS:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">No additives allowed. May run Pump gas or Racing gas. No E85. No Alcohol. No Oxygenated Fuels. No electric fuel pumps.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Must have Fuel cell must be in 18-gauge steel can and centered. Rollover highly valve recommended.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Must be securely mounted with at least two 2\u201d by 1\/8\u201d steel straps or 1\u201d box tubing over top and underneath cell.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>BRAKES:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">Stock factory OEM 4 wheel working brakes only (caliper pistons must be the same size on each axle\/end).<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">No brake bias devices of any kind. May remove OEM proportioning valve. Stock Brake Pedal assembly only, No aftermarket brake pedals. No aftermarket master cylinders. GM Cast iron truck master cylinder allowed, No Aluminum single output.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Rear disc brakes allowed. No aluminum, or light weight Calipers-Stock GM single piston type only. No aluminum rotor hats, steel only. No drilled, grooved or scalloped rotors, No Aluminum, Titanium or<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Carbon Fiber Rotors.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>WHEELS &amp; TIRES:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">Maximum 8\u201d wide steel wheels. Minimum 7\/16\u201d studs with 1\u201d steel lug nuts on all 4 wheels. Hoosier H-500 only. No grooving, siping or chemically treating.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">May use bead lock in any location. Wheel spacers allowed. Offset may be (2\u201d,3\u201d,4\u201d) OPTIONAL:<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Pulleys, oil pan (steel only), oil pump rod, engine fasteners, any manual fan, manual fuel pump, fuel pump rod (hollow ok), valve covers, air cleaner, motor mounts (block mount, no mid mounts), distributor cap, rotor, wires.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Aluminum radiator and water pumps are ok. No electric fans. Aftermarket power steering pump (steel only) and engine cooler are ok.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Engine must be mounted in stock location. No tolerance.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">May chain, strap, or use OEM replacement urethane motor mounts. May use stock location peg style mounts. Example <\/span><span data-contrast=\"auto\">ALLSTAR<\/span><span data-contrast=\"auto\"> 38082<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><strong>DISCLAIMER:\u00a0<\/strong><\/p>\n<p><span data-contrast=\"auto\">It is stated in the rules above what you can do to your car. Anything else will not be allowed! In other words, if it is not stated in the rules then it is not approved. Please consult tech man for certification only. If not in writing, no \u201che said\/she said\u201d is acceptable by management. All tech decisions are final, and a disqualification means ALL money, prizes, and points are forfeited.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">No grinding or defacing of any casting numbers. Any engine parts with missing or altered casting numbers are illegal regardless of the reason.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Tech inspector will weigh and inspect various parts of Top finishing cars every week after heats and features. A competitor may file a protest to further inspect cars and engines.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Chassis Protest: Tear down and inspection of Chassis and suspension (shocks, springs and all mounting points) will be $500(of which $100 will go to tech inspector.)<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Built Engine Protest: To pull a head, the protest will be $250 (of which $50 will go to tech inspector. To pull a engine out to check the bottom end will be $500 (of which $100 will go to the tech inspector).<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Crate Engine Protest: $150 to Pull and inspect carb, vacuum test, rate valve springs, compression test and verify seals. (Further inspection and teardown will be decided by track officials and tech inspector).<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Crate engine claim: $3850-$150 to track. Engine will be claimed as delivered from GM-no bolt on accessories will be included. Must finish in TOP 5 to claim an engine-must be a higher finisher.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">All Protests must be Submitted to Tech Inspector at Scale Shed within 10 minutes of completion of feature. All Protest must be submitted in writing and have the cash in hand. All Counter Protest must be submitted in writing and with cash in hand with in 10 minutes of original protest.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">Track officials and tech inspector reserve the right to inspect and teardown any car at any time. Management is committed to maintaining a fair and even playing field for all competitors and will consistently be researching and evaluating all facets of tech inspection.<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"auto\">***<\/span><span data-contrast=\"auto\"> Thunder stock may run tubular <\/span><span data-contrast=\"auto\">control arms, maybe any length <\/span><span data-contrast=\"auto\">must be with in 1\u201d difference of each other. <\/span><span data-contrast=\"auto\">With a 25 pound weight penalty in front of the fly wheel.\u00a0<\/span><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n<p><span data-ccp-props=\"{}\">\u00a0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>V8 warriors by East Bay Rule or These V8 Thunder Stock rules are for D4R events\u00a0\u00a0 At East bay all car must have a muffler!\u00a0\u00a0 V8 THUNDERSTOCK RULE BOOK | 2020\u00a0 This is a protest Division No Radios | Raceceivers are mandatory!\u00a0 Track officials may inspect any car and equipment at any time for compliance.\u00a0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":53,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/dirts4racing.com\/wp-json\/wp\/v2\/pages\/119"}],"collection":[{"href":"https:\/\/dirts4racing.com\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/dirts4racing.com\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/dirts4racing.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dirts4racing.com\/wp-json\/wp\/v2\/comments?post=119"}],"version-history":[{"count":1,"href":"https:\/\/dirts4racing.com\/wp-json\/wp\/v2\/pages\/119\/revisions"}],"predecessor-version":[{"id":120,"href":"https:\/\/dirts4racing.com\/wp-json\/wp\/v2\/pages\/119\/revisions\/120"}],"up":[{"embeddable":true,"href":"https:\/\/dirts4racing.com\/wp-json\/wp\/v2\/pages\/53"}],"wp:attachment":[{"href":"https:\/\/dirts4racing.com\/wp-json\/wp\/v2\/media?parent=119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}