Sunoco Super Late Model Series
Gates Open: 5 p.m.
Start Time: 7 p.m.
Saturday Night February 29th
Sunoco Super Late Model Mardi Gras 100
plus Legends, Pure-stocks, Scramblers & Mini-cups !
Effective 1-25-2020 Pit passes now $35
Seniors 55+: $13
6-12: Kids 5-12 $5
2020 Super Late Model Rules
2020 Super Late Model Rules
- Drivers please see the special rule specific for Auburndale at end.
2020 Super Late Model Specifications & Guidelines
IMPORTANT: Competitors MUST READ the “Additional Series/Track Rules” Section at the end for additional rules specific to a Track or Series.
Eligible Cars and Bodies Guidelines
All competing cars will be full-sized, stock American manufactured passenger car bodies. 2018 A-B-C Body Rules apply unless otherwise specified herein. Refer to A- B-C Rulebook and guidelines for details. Also, no panels allowed extending top edge
of doors. No under car panning outside of frame rails and no further than drivers’ tub front or rear at the bottom of the frame. Maximum drivers tub length is 52 ½” and the maximum width of frame is 53 ½”. Any holes in body not being used must be covered and remain so during the race. The Five Star Gen 6 body is not allowed.
A-Pillar vent windows may only have 1 inch of straight-line deflection. The surface must be smooth and must not have bead rolls or breaks. Front nose valance may only be a single layer and may only be a maximum 3/16” thick and may be only a maximum of 3” tall and may not cover any of the grill screen.
Rub rail are discouraged and may only be used if they are polycarbonate.
If exhaust exits through the door, installation must include an exhaust flange that is mounted flush to the door. Maximum ½” gap around the exhaust pipe. Pipe must not protrude through door.
At all times, the ABC “A” measurement must maintain a min. length of 11.5 inches. Also, 20 inches is the min. length allowed for the nose, measured from the bottom, leading edge at center, up to the hood seam. Measurements strictly enforced!
The air box between the nose and radiator may have no pieces wider than the radiator. The standard opening for the grill screen area, as approved for manufacturers production, must be maintained at all times. Only ABC manufacturers standard mesh screen may be used for the radiator opening in the nose. No cool down units, pumps, exotic fans allowed.
No types of under-body air deflectors are allowed. All air for blowers or coolers in the engine compartment must be pulled from the nose or the radiator air box. Air may not be blown or forced onto the tire or bead. Air may only be directed to the brake rotors. The duct work between the nose and the radiator may be no wider than 29” and may not be carbon fiber. NACA Ducts in ¼ window must only supply air to a helmet cooler, or other specific item. They may not lead to open blowing in the cockpit.
Tape may not be used anywhere on the car to control the flow of air or seal/secure seams between body panels (unless approved for repairs).
Window tint of any kind will not be allowed on windows or spoilers.
Titanium, Inconel or exotic metal are not allowed for use in any way on the race car. No hollowed-out bolts of any kind on suspension components.
66-inch maximum tread width for all cars.
Interiors must be steel or aluminum only.
No Data Acquisition equipment/wiring is allowed in the car on officially recognized race or practice days. No digital dashes allowed. Cellphones, smart watches or Bluetooth devices will not be allowed in racecar at any time during qualifying or race, this is an automatic disqualification.
Scoring transponders must be placed 160” inches (front of nose to the center of transponder) from front of the nose and on outside of right-side frame rail.
All cars must go through technical inspection prior to car taking to the track for practice. Cars will be weighed with driver, and may be done prior to or after qualifying and prior to or after the feature. Reading of designated scales will be official. Issues discovered in pre-practice tech that are not fixed to satisfaction by pre-qualifying tech will result in the slowest of the two qualifying laps be used for qualifying time.
Minimum Base Weight: 2800 lbs. (see “Series/Track Additional Rules” section for additional weight breaks or penalties). 58.0% Max. left side weight at all times (without refueling). For post-race total weight rules, if requested by officials, teams may be required to refuel, or officials may utilize “1 lb. per lap” burn-off.
Minimum/ Maximum Nose Height will be: Minimum nose, body and frame height
of 4″ and Maximum of 8”. (While in tech for the purposes of tech inspection)
No Overhead Camshafts.
A maximum 16-inch (O.D.) air element and housing must be used.
Carburetor restriction must be done with a solid plate or cone type system only, and may NOT be externally adjustable in any way. No adjustments may be made to the carb/restrictor package following qualifying. Teams will race with the same package they qualify with.
Any competitor that finishes in the top 5 may be required, at their expense, to remove the intake, heads, and/or oil pan for inspection purposes.
Externally lightened blocks will receive a 25-50 lb total weight penalty.
All oil pumps must be mounted to front of the engine.
9:1 Compression Engine 362 Max Cubic Inches/Cast Iron Block/ (This package will be eliminated in 2021)
Cannot exceed 9.5:1 compression. Method of determining compression will be at the discretion of Officials. 8200 rpm max.
Minimum valve angle: GM-18 degrees; Ford 9 degrees with 4 degrees valve center; and Mopar 12 degrees. (+/- 2 degrees)
Steel or aluminum cylinder heads.
Steel standard production crankshaft; balancing, lightening, stroking allowed.
Any camshaft, any steel lifter, any rockers arms. Gear drives allowed.
Steel or aluminum intake. No fabricated intakes. No material may be added to production intake manifold to increase carb height. No welded-on spacers or air deflection devices allowed in intake. No part of carb spacer shall enter the intake.
390 CFM 4bbl Part #6895 or #80507. Carburetors must pass inspection at any time regardless of temperature. Booster bar may be removed from center of booster (max inside dia. of booster .473) and the booster may be tapered from the center seam down (booster must retain .700 length minimum) but all 4 boosters must be the same style. No other modifications are allowed on carbs.
1” Maximum spacer allowed but cannot extend into manifold.
Southern Super Parts Engine (SSPE)
Southern Super Parts Engine (May Be Claimed for $21,000 + pulling fee)
Maximum Engine displacement is 362 cubic inches.
Maximum compression ratio is 11.5:1 with +.5 tolerance.
Any flat top piston permitted with 927 wrist pin and 1mm x 1mm x 2mm ring package only. Pistons must not extend out of the top of engine block. Max. racer cost of $1500.00 per set.
Cast Iron engine blocks only. No lightened blocks.
Intake must remain stock. Absolutely no match porting or blasting of any kind permitted. Slotting of bolt holes, water lines and matching of sides allowed. Ford part #: Edelbrock 2928, 2929, or 2934 only. Chevy part#: Edelbrock 2814 or 2892 only.
Crankshaft must have a minimum weight of 40 pounds (with front timing pulley or sprocket). Minimum main size Chevy 2.300/Ford 2.250. Maximum advertised racer cost of $2200.00
Connecting rods: Minimum rod journal size 1.850”. Absolutely no piston-guided rods permitted. Maximum racer cost of $1600.00 per set. No titanium rods permitted. Minimum rod weight 540 grams.
Listed Brodix Cylinder Heads only. Heads may be surfaced to achieve proper compression ratio. Absolutely no other work of any kind will be permitted to the intake ports, exhaust ports, or combustion chambers. Ford part #: SP STS T-1 F Std 225-SSPE. Must retain minimum valve angle of 20°. Chevy Part #: SP STS T-1 Std 225-SSPE. Must retain min. valve angle of 21°. Multi-angle valve job permitted. Absolutely no blending of valve job below valve seat permitted. Chamber must retain shape 3/8” above valve seat. Minimal blending due to multi-valve jobs permitted.
Maximum valve size: Intake 2.08”, Exhaust 1.60”, Stem size 11/32”. Intake valve may be titanium or stainless steel. Exhaust must be stainless steel.
No Titanium valve springs permitted. Maximum racer cost: $500.00 per set. Titanium retainers permitted. Lock angles not specified.
Camshaft must be Competition Cam Part #: 21151712. Camshaft must be installed on 104° intake centerline +/- 1°. Roller lifters, maximum racer cost of $750.00 per set.
Basic Engine Guidelines
Maximum lift of .715” while using 1.6 rockers checked at valve with zero lash. Maximum 1.6 rocker arm racer cost of $1,600.00 per set. Magnetic-type push rods only. No keyway
Use of any engine under 347 Cubic Inches will require a 50lb penalty.
Engines with rear mounted distributors will be located so the forward most spark plug is no more than two inches (2”) from the center line of the upper ball joints. Engines with front mounted distributors: up to four inches (4”) setback from centerline of upper ball joints. Crate Engines may use four-inch (4”) setback.
Engines may not be offset more than one inch (1”) from centerline of car.
Front center of crankshaft must have at least ten inches (10”) of ground clearance. Crate Engines must be at least 11 inches.
Standard steel blocks only. No Carbon Compacted blocks of any type.
No Ford D3, SC, or other High Port heads. The following are the ONLY approved Ford heads: A, B, C, C3, and C35. These heads must remain unaltered other than porting and polishing. No altering will be allowed so as to change runner floor or roof height to raise port or ports, these heads will be considered high ports and are not permitted. Runner floor and runner roof heights must remain as manufactured from Ford.
guided lifters permitted.
Maximum 5 stage dry sump oil pump permitted. Max. racer cost of $1,500.00.
Oil pan must have 1” inspection hole. Absolutely no sectional pans permitted. Open box pans only (NO windage tray / scrapers etc.). Max. racer cost of $700.00.
Ignition System may only be FAST Cams Ignition part # 6000-6701. Mount on right side of car dials point out the passenger side. The mag positive & negative shall be a maximum length of 62 inches. Must be remain uncut or spliced and on top of dash in clear view. Mandatory 7800 RPM Rev Limiter must be installed and fully functional. Absolutely no crank trigger pickups permitted.
Carburetor must be an unaltered 750 CFM 4779, 80528 Holley permitted. Carburetor must pass inspection at any time regardless of temperature. Maximum 1” carburetor spacer permitted on Ford motor only. Maximum ½” carburetor spacer permitted on Chevrolet motor only.
Any situation not specifically covered in these rules will be acted upon by the official or officials in charge at the time, whose decision will be final and binding.
Any disagreement over technical questions or operations will be resolved by series officials. When decision is rendered, decision is final and binding
Continuous developments in racing may necessitate changes which cannot be anticipated at the time rules are formulated. If necessary, rules may be updated, changed, deleted or added to at the discretion of the officials.
At certain events, to encourage participation of local competitors, the officials may alter the rules for those cars to try and create a level playing field for cars that might fall outside of the normal rules. Official’s decisions are final.