|
2008 Hobby Rules
Weight = 3000 lbs
Weight w/602 crate & 650cfm carb. = 3000lbs
Bodies and Frames
1. Frame must be 1970 or newer. Ford, Dodge, Min GM, on factory wheel base
only. Dodge or Ford may run Metric frame or GM frame.
2. Must be full original frame from front or idler arm and front of
steering box to top of rear end.
3. Frame must remain stock across rear and across front.
4. Weight jacks allowed on upper and lower "A" frames or
trailing arms; pinion angle must be a maximum of 7 degrees.
5. Body may be aftermarket steel, but must look like body being used.
Camero, Monte Carlo, Ford , Dodge etc. Roof must be completely stock size
for body to be run. No wedge bodies will be allowed. After market upper
control arms will be permitted however, there can be no modification to the
lower "A" frames.
6. Passenger side of car can be boxed in to driver or center of car.
Body Measurements
1. Front fender must be at least 33" to top from ground. No
Bubbles. Door opening 13" front to 14.5" back minimum. Roof
height no lower than 51". Rear quarter 34" to 37" max. front
guard. Rear spoiler max 7".
2. Body must be no wider than 70" or narrower than 68"
3. Rear and front bumper may be manufactured of 2x2 or 2x3 or round
tubing. All ends must be capped and extend no further than 5" past
frame rails. Front rails. Front bumper must be behind nose piece.
4. Rear of car must be enclosed from top of bumper to bottom of trunk.
Wheelbase
1. Cannot be altered from frames being used, etc. 110, 108.
Tires and Rims
1. 10" maximum Hoosier RC4 - RC6 - RC46. Tires available at the
track.
2. Rims must be maximum of 10". Two inch offset maximum, steel rims
only, no homemade rims. May run bead lock on right rear only. No homemade
bead locks.
Suspension
1. Front spindles must remain stock for frame being used. Lower front
control arms must remain stock for frame being used.
2. Rear suspension - No spring loaded or rubber biscuits. All linkage
must be mounted solid. 3 or 4 link o.k. No fifth coil or reese bar allowed.
3. Brakes mandatory on 3 wheels.
Batteries - Batteries may be moved to the inside or trunk area of the
car but must be in a marine type battery case fully covered and securely
mounted.
Gas Tank - Fuel tank and filler neck must be inside trunk area and
bolted in place (not in stock position under car). Must be in steel case
.028 or thicker and be strapped top and bottom 2" wide min. Must have
tip over valve.
Transmissions
1. Any transmission. Any clutch.
Rear Ends
1. Stock type rear end or 9" Ford rear end allowed. Locked only.
Floating axles allowed. Aftermarket mounts on rear end housing may be no
higher than 3" above housing.
2. Four wheel disc brakes allowed but must use stock iron calipers.
Seatbelts
1. All cars must be equipped with a 5-point quick release or aircraft
type seat belt and shoulder harness securely fastened to the frame or roll
cage with minimum 3/8" grade 5 bolts.
2. Seat belt or harness must be at least 3" material.
3. Approved helmet with face shield or goggles required.
Engines
1. Engine must be same as manufacturers body - engine setback - #1 (or
forward most) plug no further back than top ball joint.
2. Bored block cannot exceed .060. No destroked or stroked engines
allowed such as 377 or 383 Chevy.
3. Maximum cubic inches: Chevy, Ford, Mopar - 362
4. Flat topped or dish pistons only. 5.700 rods, may be H-Beam
5. Roller rockers allowed, but must be stud mounted. No shaft mounted
rockers. 1.5 ratio only.
6. May run in frame or over frame headers.
7. Exhaust must exit parallel with ground, no turned down exhaust. No
180 or crossover headers.
8. No porting or polishing of heads, intake manifold, or exhaust manifold.
May match port 3/8".
9. Pump gasoline or racing fuel. No additives or NOS allowed.
10. Hydraulic camshaft only with hydraulic lifters. No solid lifters or
rollers. Maximum lift .500 at valve. Measured .333 at camshaft.
11. Timing chains only.
12. Maximum single 2 barrel or stock Holley 4412 carburetor, max. 500
CFM. No aluminum blocks or heads. Max. 1¼" high adapter plate.
13. Ignition will be either point type (stock) or HEI (stock). No MSD or
aftermarket units or parts.
14. Cast iron heads only. Stock valves or stainless steel (no titanium)
1.94 intake max 1.60 exhaust max.
15. .Crankshaft may be steel, cannot weigh less than 50lb.
16. All engines must be self starting.
17. Any aluminum intake allowed must not be more than 4 7/8" from
top of plentum to carb mounting flange.
Weight Rule
1. All Hobby cars must weigh 3,000 pounds after the race with driver in
the car.
2. All weight will be external of driver compartment.
LEAD
Weight must be securely mounted to the car's frame or roll cage. The lead
must be painted white and have the car's number legibly and visibly painted
on it. The lead must be secured with at least two 1/2" bolts.
|
