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Sunoco Race Fuels Super Late Model Twin 50’s

October 23, 2021

Gates Open: 5 pm

Start Time: 7 p.m.

Event Information:

97.5 WPCV Presents The SUNOCO Race Fuels Super Late Model Twin 50’s

  • Speedway Auto Sales LEGENDS YOUNG GUNS      30 LAPS
  • Speedway Auto Sales LEGEND MASTERS    30 LAPS
  • Sunoco Race Fuels SUPER LATE MODELS   50 LAPS (Race 1)
  • Francisco’s Collision Center MOD MINI       30 LAPS
  • Francisco’s Collision Center PURE STOCK   30 LAPS
  • SUNOCO Race Fuels SUPER LATE MODEL   50 LAPS (Race 2)

Come out & Enjoy It with us ! 



Ticket Prices:

Adult: $15

Seniors 55+: $13

Child: 5-12 $5

Family 4 Pack $32

2 Adults, 2 Kids ages 5-12

Pit Passes: $35

2021 Pure-stock Rules

Track Officials reserve the right to adjust some rules for special events, to equalize competition if determined is needed.

2021 Pure-stock Rules

Mirrors allowed, absolutely no radios!

If the rules do not say you can do it, then don’t do it! Be sure to check the General Rules. All interpretations of rules by a Speedway Management or Speedway Technical Official are final. UNAWARENESS OR IGNORANCE IS NO EXCUSE!

1. CARS:
Any American made car with a factory wheel base of 101 inches minimum – must be within 1-inch tolerance of year, make and model.

Wheel base may not be altered. Body must be stock for chassis.

Minimum weight of 3,200 pounds, with a maximum of 55% on the left side. 75lb penalty for standard transmission. 25lb penalty for flywheel weighing less the 25lbs. Minimum flywheel weight is 15lbs. 25lb penalty for 10 inch torque convertor.

Weight may be added, or left side percentage changed to any competitor at any time at the discretion of tech in the interest of fair competition!

All lead and ballast must be painted white and have car number printed on it. All ballast weights must adhere to ride height rule. Any lost or loose weight will result in disqualification.

3. BODY:
** Must be stock appearing for year, make, and model. No flaring of bodies and must follow factory contours. No exceptions.

Factory roof, hood and trunk lid must be retained. Roof may be gutted! Trunk may be gutted but must retain stock floor pan and firewall. Hood must seal to cowl or windshield. If you (driver) can see air cleaner it is wrong.

Rear deck must have stock appearing downward slope.

Back of car must be closed off from top of frame rails to bottom of deck, and from quarter panel to quarter panel.

All holes in firewall and driver compartment must be covered over for safety.

No operational hood scoops or cowl induction.

Aluminum hoods are not permitted. Fiberglass hoods are permitted.

May replace any corroded metal with 22 gauge or thicker sheet metal for door skins, fenders, and quarter panels. Must look like an actual car – no slab sides. Door must mount to rocker. No filler panels.

May remove rear floor to just behind B post of body, and rear firewall, but must have 22-gauge steel firewall sealed tight separating driver from fuel cell.

All cars must have a full, clear Lexan windshield or screen that covers all of front window. If using screen you must have (3) 1/2″ vertical bars in front of driver!

Body must be mounted in stock location on frame – no sliding or shifting. A post mounting in correct frame hole (both left and right). May remove rubber body mounts.

Hood must have a minimum of two (2) pins in front and two (2) pins in back.

Trunk lid must have two (2) pins and two (2) hinges, or four (4) pins.

Fabricated steel (stock appearing) trunk lid approved. No aluminum truck lids allowed.

May run 1-inch rub rail welded against body with capped ends, clean welds, no tire cutters.

May run pipe bumpers – maximum of 1-3/4-inch OD x .95-inch wall, square tubing, or stock bumper for car must be mounted in stock location with chain rapped and welded to frame. Minimum bumper height is 17 inches – maximum bumper height is 19 inches. Bumpers must have round corners that turn back into chassis. No open ends must be capped. Bumpers must not be installed farther out than 6 inches from the front frame horns.

All welds must be clean and ground – no tire cutters.

All suspension parts must be stock for the year make and model of the car. A – frame bolts may be changed to camber ADJ. May replace bushings with polyurethane or steel ok.

Coil spring must be a minimum of 8 inches and must fit in stock location without alteration of bucket. No spring rubbers or Gobblers allowed. No coil bound springs or collapsed springs allowed. All springs must be symmetrical from top-to-bottom.

May use adjustable bucket.

Leaf springs, stock multi-leaf only, may be used. May use lowering blocks and multi-hole rear shackles for adjustment. May use sub-frame connectors only 10 inches of weld at each end may be used. 

Sway bar must be stock for the specific car. Maximum 1-3/8-inch diameter. No rear sway bars. No aftermarket Howe style sway bars.
Sway bar adjustable at left lower A frame only.

All front and rear suspension components must remain stock. All suspension parts must match frame. No alteration of suspension allowed.

​No bump stops.

Stock passenger car spindles and hubs for year, make, and model ONLY.

No litening or grinding of any suspension part allowed.

No steering quickeners allowed. Stock steering components include drag link and stock length tie rods. No interchange of uni-body, mid-size metric, and big metric/steering parts.

Spindles, rotors, calipers, and bottom A-frames must match chassis being used. Steel lower A-frame bushings are allowed. The hole must be in the center of the bushing.

Shock absorbers must be mounted on stock upper and lower mounts. No modifications to shock mounts allowed, and mounts must be in stock locations. No tie rod end, heim end or aluminum shocks allowed.

One (1) shock per wheel – total of four (4) shocks per car. No coil over shocks allowed. One-inch (1”) spacer will be allowed on the left-rear of the car (only). Shocks must be steel body, one (1) piece and non-adjustable. No remote or external canister type of shocks allowed. No aluminum gland nuts or shafts. No Schrader Valve! (PRO SHOCK, AFCO, CARARAS and FACTORY CRIMPED BILSTEINS OKAY) ABSOLUTELY NO ALUMINUM OF ANY KIND ON EXTERIOR OF SHOCK EXCEPT THE APPROVED BILSTIEN FACTORY CRIMPED SHOCK! QA1 23M Series off the shelf valving are ok. No modifying, alterations to shocks or removal of numbers.  5-6-21

No bulb tops. May have removable bushing on shaft end of body. Bushing holder/eyelet must be attached to body. No Schrader or bladder style valves allowed.

Must use stock type shock ends top and bottom. Front half of shocks can be covered.

No rebuildable shocks. No adjustable shocks. No aluminum gland nuts or shafts.

Steel body shocks must be mounted in stock location. $200.00 claimer for four (4) shocks or $50.00 per shock after a race. Must be on lead lap.

Six-inch (6”) ground clearance minimum frame and body, measured with the driver out of the car.

Must run stock Holley 4412 2-barrel or Quadra-Jet 4-barrel carburetors. No modifications can be made except as specified. May remove choke plate and shaft.
NO Holley XP 2 Barrels
May change jets and power valve.

May use any adapter from carburetor to manifold – maximum thickness 1.625 inches including gaskets.
2 return springs mandatory
Stock OEM cast iron. No porting, polishing or port matching.

May use Edelbrock RPM Performer – (General Motors 7101, 2101, 2701, 3701), (Ford 7121),  (Mopar 7176).
General Motors 602 aluminum dual-plane intake manifold is also approved.

Any 12-volt battery fired ignition (only).

No Rev Limiters!

Must be mounted in driver’s compartment behind driver’s seat. Must be mounted securely.

Stock OEM distributor – no high-performance parts. No MSD coils or modules.

Must be same manufacturer as car and mounted in stock position. May use Allstar, Moroso or other stock replacement solid motor mounts. Must be in stock location!.

Stock crankshaft for engine.

Maximum over-bore is .060.

Crankshaft must be stock production cast or steel or OEM stock replacement. 48 pounds minimum balancing permitted by drilling holes – no grinding. No knife edge or bullnose cranks permitted. No polishing of crankshaft.

Rods must be stock production or OEM stock replacement. OEM length per original engine specifications. No high-performance rods permitted. Grinding on rods permitted for balancing only. No polishing of rods. Rod bolts, builders choice.

Pistons must be stock production or OEM stock replacement and must be same configuration as stock cast or forged GM. Must have four (4) eyebrow flat top. No fly cutting. Floating pins may be used.


May run GM 602 sealed crate engines as came from the factory. No modifications of any kind. Crate motors are subject to inspection at any time!
602 Crate engines must follow the Gm Performance parts Technical Manual. If it is not listed don’t do it unless you have spoken to tech and have your rule book signed and carry with you to tech. A tech bulletin will then follow for all racers to see the clarification or change.
602 is totally by the GM manual, repairs etc. no exceptions

GM part number: 88958602 and 19258602

Compression ratio: 9-to-1.

No options allowed.
No Rev Limiters allowed!

Stock production OEM cast iron cylinder head for engine being used (Open or Closed Chamber Heads Okay Minimum 63CC)

No vortec heads allowed.

No mix-matching.

GM 350 heads on 350 c.i.d. engine – 305 heads on 305 c.i.d. engine no less than 63 cc’s on 350. Maximum compression ratio: 10.5-to-1.

Ford 351 heads on 351 c.i.d. engine – 302 heads on 302 c.i.d. engine. Maximum compressions ratio: 10-to-1.

Mopar 360 heads on 360 c.i.d. engine – 318 heads on 318 c.i.d. engine: Maximum compression ratio: 10-to-1.

No porting or polishing, no gasket matching, no grinding of any kind.
May have 3 angle valve job, no angle more than 75 degree. May run screw in studs, must be stock size.
Guide plates OK.
No angle plug heads.
1.94 intake, 1.50 exhaust, max valve size. May be stainless steel neck down valves. No hollow stem valves.
Valve spring must be stock size and symmetrical from top to bottom (1.270” max diameter). Spring seat valve pressure closed 120lbs. max.
No aftermarket heads are allowed.
Bronze guides or liners ok.

Hydraulic flat tapped cam only.

Maximum lift 450 at valve.

Check at push rod or cam lobe times the rocker.

Ratio – Rocker must remain stock for engine: General Motors: 1.5 – Ford: 1.6 – Mopar: 1.5.

12. Misc:
No electric water pumps. Electric fans OK
Water pump, pulleys, valve covers and oil pan builders choice.

Stock automatic transmission with all working gears (forward and reverse) and working torque converter.

Torque converter must be minimum 10 inches in diameter.

No lock-up converters. No power-glide transmissions.

Must have all stock parts – no light weight parts.

May run 3-speed or 4-speed manual transmission with stock clutch and flywheel (L88 flywheel minimum 15 LB) approved.

Stock clutch and clutch disk. Stock replacement solid hub clutch disk okay. Clutch material must be full circle, and no paddle type disks. Hydraulic Clutch Pedal Okay.

No 5-speed or 6-speed transmissions allowed.

Must have a functional shifter – No push – pull rods.


Must be stock for the year, make and model of the car.

May be locked.

Mini-Spools are approved for use.

No full spools or lockers of any type.

No C-Clip eliminators.

Aftermarket replacement is axle is okay.

All four (4) brakes must work always.

Stock pedal and master cylinder.

May remove factory proportioning valve.

No aftermarket brake bias or shut-off valves.

No rear disc brakes. No aluminum drums or aluminum parts allowed anywhere in the brake system.


Stock OEM cast iron manifold (only), with 2-1/2-inch exhaust pipe throughout.

Must exit behind driver.

Must be securely fastened under car.

No X pipes – No H pipes.

Headers are permitted under chassis – mufflers required.


Racing wheels 15-inch x 8 inch. May run any combination of 2, 3 or 4-inch offset wheels.

Hoosier 790 treaded tires or American Racer AR870 Tires (only).


Mandatory Maximum: 22 gallons.

Must be mounted in steel container – minimum of 22-gauge steel.

Must have a 1-1/2 fuel cell loop protecting cell from being hit by other cars.

Fuel cell must have 10 inches of ground clearance.


Roll cage must be constructed of (minimum) 1-3/4-inch x .095 wall round steel tubing, with full four (4) post roll cage, minimum of four (4) door bars on driver’s side, and three (3) door bars on passenger’s side.

Aluminum racing seat mounted to roll cage with racing seat belts (See Safety Rules. Recommend driver’s side door bars be plated with 1/16-inch steel plate (11 gauge) or thicker.

May mount radiator directly to frame – may use round tubing for protection.

Drive shaft loops (2) are Mandatory. They are to be located 12 inches from each u-joint. Drive shaft must be painted white with numbers on it

The use of radios is strictly prohibited.