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Mini Stock Rules
350 Carburetor, same as late-model stock
Up to a 2" carburetor plate may be used
Lbs per CC
45% right tire weight
9" ford rear end or stock
No quick change rear end
Non adjustable panard bar
40 over bored
Stock configuration pistons
If stock rods not used must run 50 lbs heavier
4 weight jacks is allowed
No MSD boxes allowed
No roller cams, and no roller rockers
Bodies must be steel, aluminum or fiberglass
Plastic nose and tail, and fiberglass hoods will be allowed
Clutch pressure plate flywheel 28 lbs
Drive shaft must be steel 3 1/2" diameter
13"x
8" Wheels Only, tires are to be (Hoosier Sportsman)
You may buy 2 tires every three weeks
5" ride height
If you run tube chassis, 200 lbs will be added; 46% right side weight;
Weight will be added to equal field
Inspector will make final decisions, and will add weight accordingly to
make field competitive
STREET STOCK
RULES
Bodies
Aftermarket bodies or body parts allowed.
Maybe
fabricated from sheet metal.
Grills must be fabricated.
All cars must have fire walls & floor pans.
Body mounts may be removed.
Kick panels are required.
Hoods, deck lids, doors, front fenders & bumpers may be skinned out.
Trunk compartments must be sealed off drivers compartment by sheet
metal, with no holes in it.
Frames
Stock production frames only,
NO TUBE FRAMES ALLOWED.
Intermixing of frames permitted.
All cars must be 5” to frame, or rocker panel on sub frame cars.
Sub frame cars may be linked. X type link up is allowed.
Max. tread width is 66.5”.
Carburetors
Holley 500 part #4412 are allowed. Cannot be altered, except choke plate
may be removed & jet sized changed.
Only alum. ¾” spacer plates allowed.
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The
carburetor spacer plate holes must be 1 11/16“
Electrical Systems
HEI distributors and
point type
distributor can be used.
No MSD boxes allowed.
Main disconnect switch must be mounted in center of dash.
Battery must be in a covered box & secured.
Cooling System
Any type radiators allowed.
Steel fans
must have a min. of 4 blades.
Electric fans allowed.
Radiators must have over flow catch cans.
Rear Ends
9” ford rear ends are allowed, but all mounting brackets and location
must mount back in stock location.
Locker type, spools or limited slip rear ends allowed.
Floating axles or hubs allowed.
Racing axles are allowed.
Any rear gear ratio allowed.
No quick
change rear ends allowed.
Transmissions
Any 3 speed automatic transmissions allowed.
3 or 4
speed manual transmissions allowed.
All forward gears & reverse must work.
Metric transmissions allowed.
Only stock torque convertors with no modifications allowed.
Torque convertor must 11” dia. Min..
Drive shafts must be steel, painted white and a min. dia. of 2 ½”.
Drive shafts must have 2 safety loops.
UPDATE:
Flywheel minimum weight is 23
pounds.
**Exception** Flywheel in a crate motored Street Stock has to be a
minimum of 18 pounds.
Stock type
clutch and pressure plate only. No HP parts.
Blow proof
bell housing required.
Safety
Roll cages must be per LMS requirements.
Racing seat required & fasten to roll cage. (not floor pans).
Seat belts must be per LMS requirements. Must be dated within 4 years.
Window nets are required, & must release from top with seat belt type
fasteners. Must be dated within 6 years.
All cars must have fire extinguisher within drivers reach while in seat.
All cars must have a fuel cell & be contained in a metal box.
Fuel cell may be dropped, but must be 10” min. from ground. Including
fuel cell box.
Steering wheels must have quick release & center post pad.
Engines
Two crate motor options will
also be allowed in Street Stock. (1) 602 – Chevrolet crate will be
allowed and can run the 650 Holley HP carburetor with a 1” spacer
plate. (2) 603 – Chevrolet crate which is the ZZ4 will be allowed and
can run the 350 Holley carburetor with a ¾” spacer plate. Carburetor
can be reworked to LM stock guidelines.
Max. C.I. before overbore: GM 350, Ford 351 Mopar 360.
A max. overbore of .050 allowed only.
Only stock or stock flat top replacement type pistons allowed.
Pistons may be 2 or 4 valve relief.
Only stock connecting rods allowed.
Only stock cranks, with stock weight allowed.
Any type of oil pans allowed, except dry sumps.
Hydraullic cams only, with a max. lift of .450.
No roller cams allowed.
Heads – only stock types, double humps and vortex are allowed.
Heads cannot be less than 62 cc.
Guide plates, screw in studs, & polly locks are allowed.
No porting or polishing of any part allowed.
Only stock intakes & Edelbrock #2101, #2101V are allowed. (
Intake used with the built motors must be the
edelbrock performer )
Roller rocker arms allowed.
Only 1.5 rocker arms allowed.
Stock or stainless steel valves are allowed. (intake & exhaust).
Only 1.94 valves allowed.
Solid motor mounts or OEM type allowed.
Blocks may be decked to zero.
No 3 angle valve jobs allowed.
Aftermarket steel or alum. Pulleys are allowed.
Engines must be in stock location & can be set back.
Weight
All cars must weigh 3200 lbs. with driver with a right side weight of
45% of total car weight..
Suspension
Racing shocks are allowed.
Racing springs are allowed.
Panhard bars will be allowed.
Only stock
sway bars allowed.
Springs may be spaced or shimmed in any fashion.
Screw jacks allowed.
Steel control arm bushings allowed.
Neoprene bushing are allowed.
No drop spindles allowed.
No aftermarket performance spindles allowed.
You may change spindles to heavier type by that manufacturer. (Example:Impala
spindles)
No bias or brake
adjusters allowed.
Tires & Wheels
Update- Must run
Hoosier 880 Track Tire.
7” or 8” x 15” wheels allowed. Offset must be the same an all 4.
Wheel spacers are allowed, and do not have to be same on each wheel.
Exhaust
Headers of any kind allowed. Even stock types.
A 2 into 1 collector is allowed.
Exhaust pipes must exit at, or behind doors.
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ANY CAR RULES
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All cars must be completely factory stock, bumper to bumper with no
high performance engine options allowed and no modifications to
body, chassis, or engine allowed.
1. All
glass must be removed before coming to the track except inside mirror
and a full windshield which are required.
2. No
outside mirrors allowed.
3. All
driver must wear a safety helmet.
4. A
fire retardant driver’s suit is recommended.
5. All
doors must be bolted or welded shut.
6.
All cars must have seat belts or shoulder belt and must have a window
net that meet safety requirements.
7.
Tire must be eight (8) inches width street legal, straight tread only.
No snow or knobby tires allowed.
8.
Wheels must be seven (7) inches maximum width made of steel only. Must
all be the same height (14 or 15 inch) and must all four be same
offset. No modification to wheels are allowed. (All (4) tires must be
the same size.)
9. No
trucks, vans, or station wagons allowed.
10. No
bars are allowed any place except driver’s area only. There cannot be
any extensions through front or rear fire walls.
11.
There cannot be any metal removed from any place in car.
12.
There cannot be any adding of weight any place in car.
13. All
cars must have a legible number painted on the doors and roof. Numbers
should be 2 ½ to 3 inches wide and 24 inches high. No three digit
numbers.
14.
All cars must be completely cleaned of shattered glass or any other
debris before they will be allowed in the track.
15.
The top
three cars must pass a technical inspection after the race. Decision of
the technical inspectors will be final regarding legality.
16.
All cars
will start the race in the order in which they register. First come
first serve.
Any car
that does not meet the following requirements will forfeit all prize
monies, as well as contingency monies, trophies and all points earned in
that race.
1. The
car must be completely stock.
2. The
car must meet all specifications and safety requirements set
forth in
these rules.
3. The
car must come directly to the inspection area after the race.
4.
Everyone associated with the car must exhibit sportsmanlike conduct at
all times.
2010 Franklin County Speedway
Official Fast &
Furious Rules
1. The Fast &Furious Division is Franklin
County Speedway’s new front wheel drive (Super U-Car) division for
Import and American cars that allows certain performance modifications,
but still keeps racing very affordable.
2. The division is an
advanced division like Mini Stock or Mod-4 and is open to any driver no
matter their driving experience.
3. Competing Models 1980 and
later American & Import Front Wheel Drive-
4-Cylinder cars, with a
wheelbase of at least of 105 inches.
4. No Rear Wheel drive,
Station Wagons, Vans, or Trucks allowed.
5. No All-Wheel Drives
allowed.
6. Engine must be from the
same manufacture as the car.
7. Engine may have
aftermarket add-ons.
8. 4-Cylinder Motors only. No
6-Cylinder motors allowed.
9. Engine can be rebuilt
with a .30 overbore allowed.
10. Single and Dual Overhead
cams allowed.
11. No turbos or
superchargers allowed.
12. Engine swaps allowed as
long as it comes from the same manufacture
13. Headers allowed. Exhaust
must exit under the car near the rear tire.
14. Cold Air Intake allowed.
15. Stock transmission only.
Straight or Automatic allowed..
15. Steel flywheel only.
16. Racing clutch allowed.
17. Stock ECM.
18.Racing gas allowed.
19. No MSD boxes.
20.Windshield must be glass
or Lexan.
21. Stock body only. NO steel
or fiberglass body.
22. Body Kit allowed.
23. Front and rear spoiler
allowed.
24. Sheet metal dash allowed.
25. All glass other than the
windshield must be removed.
26. Adjustable shock and
springs allowed.
27. Camber allowed front and
rear.
28. Car must have a 4-inch
ride height minimum.
29. Hoosier Sportsman tires
allowed.
30. Racing wheels allowed. (2
or 4). If you run all four racing wheels you must run all the same
offset and if you run two racing wheels they must be on the right side
only and stock wheels of the same size on the left.
31. Backspacing of 2.5 inches
allowed.
32. Full 6-point roll cage
required. 3- bars on left driver side and 2- bars on right side made of
1¾ inch 0.95 thick roll bar tubing.
33. Racing seat required.
34. 5 point racing harness
required.
35. Weight. 2000-lbs.
Minimum.
36. Speedway Officials have
the right to add or reduce the cars weight as they feel necessary to
make for more competition.
37. Speedway has the right to
add or change the rules as they see necessary.
Updated by: Flip Carico on
6/3/10
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