Yasses Trucking & Construction Street Stock Rules

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#1 – Body
 
STOCK APPEARING BODIES ONLY! Can buy aftermarket body packages from 5 star Bodies or Performance Bodies or make your own bodies from steel or aluminum will be legal.
 
1.1 Any American made rear wheel drive car or pickup.
 
1.2 Minimum wheel base 107 in, 1 in tolerance.
 
1.3 Full frame cars may replace rear frame after kick ups with 2×3 tubing.
 
1.4 Uni-body cars may replace with 2×3 36in’s back from center line of front wheels must go over top of rear end housing.
 
1.5 Minimum weight 2900 lbs 400ci minimum weight 3100 with driver. Engine and transmission combonation weight must be displayed on hood visible to tech inspectors in a minimum of 2″ letters. Bert /Brinn style transmissions must add 40lbs to car. (Example: 350 engine with Bert transmisson must weigh 2940lbs.)
 
1.6 4 point roll cage minimum of 4 door bars on drivers side front and rear hoops 1 1/2 .095 tubing minimum.
 
1.7 Stock steel body allowed optional aftermarket aluminum body must be stock appearing. Must run stock nose tail optional. 4 ” spoiler allowed with 4″ sides. (example Performance P/N PB0541130).
 
1.8 Must run full rear bumper must be at least 12 inches off ground.
 
1.9 Cars must be presentable.
 
1.10 Max body width 82 inches.
 
#2 – Front Suspension

2.1 All suspension and steering components must be OEM and in stock location with the exception of upper control arm may be tubular. Tie rods may be replaced with heims.
 
2.2 Steering quickeners allowed.
 
2.3 Steel body shocks allowed one shock per wheel no adjustable shocks mounting optional jacking bolts allowed. Max. Any steel body shocks, Non adjustable, No Schrader Valves.
 
#3 – Rear Suspension

3.1 Leaf springs allowed.
 
3.2 No pull bars. No three links. No traction devices. No Panhard Bars allowed
 
3.3 Floater rear ends allowed. No Gun drilled Axles allowed. No lightweight gears. ONLY Steel spools.
 
3.4 Rear End Mounts MUST Be Within 2 Inches Of Factory.
 
#4 – Engine ( 602 SEALED CRATE WITH 650 4 BARREL CARB ALLOWED)
4.1 All engines must remain stock stroke configuration for manufacturer and cubic inch. Flat top or Dish pistons ONLY!! Pistons CAN NOT extend above deck!

 
4.2 Maximum overbore GM 350+70ths, Ford 351+70ths, Chrysler 360 40ths GM 400 40ths.
 
4.3 Stock production blocks only.
 
4.4 Cast iron cylinder head stock production head, Dart P/N SS 10021070 or 10021010 or Bowtie head and World products head allowed #043600,
#043610 with stock valve size only!. Only Vortec heads allowed is #906 and #062. Valve size no larger than – INTAKE 1.940″ / EXHAUST 1.500″. NO PORTING AND POLISHING ALLOWED!
 
4.5 No roller cam.
 
4.6 Roller rockers allowed no shaft rockers unless factory.
 
4.7 Stock unaltered crank shafts.
 
4.8 Engine setback MAX. Center of number 1 spark plug hole in line with the center of the upper ball joint.
 
4.9 Factory stock distributors points or HEI.
 
4.10 12 volt system only.
 
4.11 Carburetor stock #4412 out of the box or #4412s. Carb must pass tech with track tech tools. No hp.
 
4.12 If you have a built motor you MUST run a 4412 carburetor with a plate!! Crate engine 650cfm carb OK.
 
4.13 Aluminum option – Wieland Chevy #7546, #7547, #7547-1. Ford #7515, #7516. Chrysler #7545, #2920. Edelbrock Chevy #5001 #2101 #2116 Ford#5021 #5081#2760 Chrysler #5076. GM 602 Crate motor intake is legal
 
4.14 Cast iron stock 2bl intake. No porting. No marine or military allowed.
 
4.15 Carburetor adapters BRP377 or equivelent spacer. Maximum thickness of adapter 1-1/8 adapter with gaskets 2 straight holes 1-11/16. Straight cut holes only, no beveling, no tapering, no super sucker style, no radius...
 
4.16 Stock type fuel pumps.
 
4.17 Headers allowed 1 3/4" tubes. Crossover headers allowed. No 180 headers allowed. No step headers. No balance pipes. No 2 into1. 3in max pipes, must run mufflers, must exit past driver.
 
4.18 Site plug optional in oil pan on drivers side of oil pan, towards the front of pan, 3 to 6 inches back OR be prepared to pull oil pan
 
#5 – Transmission, bell housing, driveshaft
 
5.1 Any transmission automatic or standard. Standards must be steel bell-housing or blanketed. No clutch restrictions. 
 
5.2 Steel driveshaft painted white.
 
5.3 Drive shaft loops mandatory 6in from front U-joint and one in middle shaft.
 
5.4 Bert stile Tranny Allowed with weight restrictions of 40lb in the nose. (subject to change)
 
#6 - Brakes

6.1 4 wheel brakes mandatory.
 
6.2 OEM calipers and rotors.
 
6.3 Aftermarket brake master cylinder assembly legal.
 
6.4 Remote brake adjusters allowed.
 
#7 – Tires and Wheels
 
7.1 8 in steel wheel max allowed, bead locks allowed.
 
7.2 Must have 1 inch steel lug nuts.
 
7.3 Tires – American Racer 27.5 x 8" JSRT, 26.5 x 8" JSRT or Hoosier 36156 or 36149 8 inch tire. Medium or harder only- no softs. No snows. No aggressive thread. No duals.
 
#8 – Other
 
8.1 Cold Air boxes are allowed
 
ALL CRATES MUST HAVE SNAP BOLTS FROM GM OR ARE SUBJECT TO TECH & TEARDOWN.
ALL CARS MUST HAVE AN ALUMINUM RACING SEAT SAFELY INSTALLED IN CAR WITH NO LESS THAN 6 BOLTS. INSTALLATION IS SUBJECT TO TECH.
ALL CARS MUST HAVE WINDOW NET AND DRIVERS MUST HAVE RACEIVER ON FREQ. 454.000
**While the above rules offer a good outline, not everything can be covered by a written rule. If a car has a part that no one else has, and its not mentioned in rules, its not assumed legal. Ask first.