Florida Old Time Modified Series

Rules

GENERAL RULES

The objective of the Florida Old Time Modified Series is to preserve the history of stock car racing as it began in the late 40's and 50's.  We run these cars for fun, but the promoter will not invite us back unless we have as many cars as possible and "play the game" (put on a good show and not have one car run away from the pack).  If you have any questions regarding these rules, please contact Jamie Frankland at (813)-634-9556

Body
1948 and earlier steel American built stock automobile bodies only.
Bodies must be full size.  No modified bodies permitted.
No cut-down or fiberglass reproduction bodies.
No Crosley bodies.
Hood is required and must extend to front of radiator.
No lexan or plastic windshields.  Full windshield opening only.
Numbers and letters to be hand lettered and of vintage style.  No air brush numbers.
 
Frame
Any production steel car or truck frame.
No narrowed, tubular, or sprint car type frames.
Roll bars minimum of 1.5" OD x .095" tubing or pipe.
All roll bar corners to be gusseted.
3 side bars on drivers side, 2 side bars on passenger side.
Front bumper no lower than 9" from ground and no higher than 18" required.
One side nerf bar allowed per side.  Maximum of 1.25" pipe in size.
Minimum wheelbase 102".
Minimum weight 2500 lbs with driver.
 
Front Axle
Steel I-Beam axles only.  No tubular sprint car type axles.
 
Suspension
Leaf or coil spring suspension only.
All chassis parts to fit the era/year of the car.
No rack and pinion steering.
No A-arm suspension.
No coilovers.
No birdcages, sliders or lift bars on rear axle.
 
Brakes
4 wheel drum or disc brakes in working order.
4 wheel solid rotor disk brakes OK.  No vented/drilled rotors or GM calipers.
Small 4 piston Airhart/Wilwood calipers only.
No brake bias valves allowed.
 
Tires
Any local late model take-offs or street tires (dirt or asphault)
11x15 (11" wide tread) on dirt or asphault.
Maximum 10" wide wheels.
No bead locks on any wheels. 
 
Engines
Flathead V-8 up to 300 cubic inches.
Inline 6 cylinders up to 260 cubic inches.
No aluminum blocks of any type.
6 or 8 cylinder non overhead cam inline engines (no overhead cams of any type)
Any stock production carburetor allowed.
Non-vintage carbs to be covered by large air cleaner.
Multi 1 or 2 barrel allowed on V-8 flathead or 4 main bearing inline engines.
Holley 4412 carburetor only on any 7 main bearing motor.
Clifford type intake manifolds preferred.
All 7 main bearing motors will have restrictor plates in the future.
2 approved springs on throttle linkage.
All cars must have air cleaners.
 
Transmissions
3 or 4 speed standard transmission only with all gears.
No automatic transmissions, in and out boxes, or racing transmissions allowed.
Lakewood style 1/4" steel bellhousing required on all 7 main bearing engines.
Wrap around transmission "blanket" required if 1/4" steel bellhousing is not available.
 
Fuel Systems
Fuel lines required to be protected with a secondary cover and double clamped.
All fuel lines to be secured every 18-20" (steel lines recommended).
Metal fuel tank or fuel cell to be securely mounted.
Plastic tanks must be in a metal container.
 
Safety Requirements
Racing helmet shall meet Snell 90 rating or higher.
Helmet and firesuit to be approved by safety committee.
Minimum driver age of 21 years old.
Fire extinguisher must be securely mounted within reach of driver.
No tie wraps, duct tape or wire of any type holding extinguisher.
Extinguisher must be full and will be checked by the track.
Kill switch must be within 12" of the driver and be marked for easy ID.
Battery must be covered and located outside of drivers compartment.
Any electric fuel pump must be wired so that it stops when ignition is shut off.
Full fire wall front and back.  No holes permitted.
Exhaust to flow outside of the body of the car.
Schoenfeld #112535 mufflers are required on all cars.
All cars must have an ample cooling system and have a 1 gallon overflow can.
Driveshafts to be painted white.
Driveshaft loop required within 12" of front U-joint.
3" lap and shoulder belts required.  No fraying of belt allowed.
Crotch belt recommended.
Seats to be securely bolted to the frame or the cage.
Steel or aluminum racing seat recommended.  No fiberglass or dune buggy seats.
Padded head rest required.
Window nets required.  Must be able to be disconnected using a seat belt clasp from outside the car.
 
COMMENTS
These cars are old style vintage cars and need to look like the cars that ran from the 40's up through the mid 60's. We need to keep that in mind. Computer Graphics and lettering look very much out of place on these cars. Old style painted on numbers and sponsor lettering looks much better.

In building these cars, keep in mind that we need and want them to be safe. But, if any modern parts are used for the sake of safety it is better to try to hide them if possible. For instance, aluminum radiators cool better and are less expensive than having a new core put in a 1940's radiator. Using an aluminum radiator you are less likely to have one explode and burn someone, but in the same instance, a little black paint makes it look a lot more vintage.

There is no way to cover every little item in building one of these cars in a set of rules. If you run into something that is not covered, call and ask. We will come up with an answer and it will be added to the rules. (DO NOT start building a car on what you believe to be a loophole in the rules.) Florida Old Time Modified Series reserves the right to approve or not approve any car at any time.

 

 

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