VARNEY SPEEDWAY MOTORPLEX

LATE MODEL RULES 2012

UPDATED DECEMBER 2011

It is intent that Varney Speedway Motorplex trusts each driver to build their car to fit the rules, for the class they are running in. ALL drivers should come to the track with this in mind, and NO driver should take it upon themselves to make their car and then expect the track to change the rules to fit their car. It is also the driver’s sole responsibility to ensure anyone doing any work on their car follows the rules of their class along with any purchased parts going into their car should be checked before hand to ensure they meet our rules.

1. BODY STYLE:  Any North American built car: fibreglass, aluminum or steel 
2. BODY APPEARANCE: 
   A) Body must be stock appearing and in stock position on the frame. Bodies are to be template style; 5 Star, ARP etc. Body must be aftermarket and made of steel, aluminum or fibreglass. Rubber front and rear bumper covers are recommended. No wedge style, slab side or high performance bodies or DIRT noses allowed.
   B) When using fibreglass roof, min. 20 gauge sheet metal below the roof in driver compartment area recommended. No carbon fibre body parts permitted.
   C) Wheel opening flares cannot extend past scrub rails. Wheels must not extend outside body or scrub rails.
   D) Absolutely no bars shall extend outside of body panels including the grille and bumper with the exception of the side scrub rails. Side bars must extend no further forward than the rear of front wheel opening, and no further rearward than front of the rear wheel opening, maximum 1"X 2" welded or bolted to roll cage. No sharp edges. When bolting on scrub rails, you must use carriage bolts (or round-headed bolts), if hex bolts are used, they must be counter sunk.
   E) Grille and headlights must retain original appearance.
   F) Minimum ground clearance is 4"(four) inches at the lowest point of body or skirt and 5"(five) at the frame to the ground, excluding front cross member but including ballast weight (without driver).
   G) Body height will be minimum of 46 inches, measured 10" behind top of windshield on roof centerline (without driver) 47" for old styles.
   H) Crush panels, minimum of 40 thou. Aluminum can be used to separate the body panels and windshields from the interior.
   I) Rear spoiler 5" maximum height, and maximum width of 62". Any lip on top edge of spoiler is included in the 5" maximum height. Bracing allowed. At the point in which the spoiler bends and goes vertical, it cannot exceed beyond the edge of the rear deck and must follow the contour of the rear deck lid. Maximum spoiler height is 39" (40" on old bodies) as measured from the ground to the top of the spoiler.
   J) Cars must be equipped with a cable or chain, front and rear to pick the car up.
   K) Doors must conform to original shape and be securely mounted using bolts, rivets, and or welding. No sheet metal screws.
   L) Hood must resemble stock hood in appearance. Original manufactured hood scoops only allowed. Exterior hood hinges allowed and must have 3 front hood pins. If hood is removable, it must have 2 front with center hold down or have 3 front and 2 rear hood pins. (No carbon fibre hoods or bodies panels allowed).
   M) Trunk deck lid must be hinged or easily removable to have easy access in case of fire.
3. BATTERY:  Must be anchored securely and separated from driver’s compartment by firewall. One 12-volt battery only.
4. BELL HOUSING CLUTCH & FLYWHEEL:  Stock type steel single disc clutch and flywheel units must not be drilled or machined. Stock type clutch and pressure plate, minimum 10" diameter. Disc may be puck type, no aluminum. Modular flywheels are allowed. Must have an NHRA steel bell housing, Sema 6.1 flywheel shield or scatter shield of 1/4" steel. Must be mounted over the clutch and flywheel 360' between the bell housing and the floor. No scatter shield inside the car permitted. At your own option, bell housing should have an inspection plate for easy inspection of clutch. If there is no inspection plate on the bell housing, you may be required to remove the transmission for clutch inspection. Minimum flywheel weight of 14lbs. Mandatory ½" hole in bell housing for turning flywheel when whistling your engine. 
5. BRAKES:
   A) Four wheel hydraulic brakes in good working condition are compulsory.
   B) Four-wheel discs allowed. Must be stock like rotors. Two peace rotors allowed Napa cross drilled rotors o.k. performance cross drilled rotors allowed
   C) Dual master cylinder with balance bar allowed.
   D) No brake fluid cooling devices containing a pump. 
   E) Stock single piston cast calliper. No aluminum. 
   F) Chassis and suspension: Steel hubs on front, steal or aluminum hubs on rear.
6. BUMPERS:  Must be securely fastened with all metal bracing and/or reinforcing concealed behind bumpers. Must not be wider than body width. Must be minimum of 15" and maximum of 18" from ground, measured from the center of the bumper. No cut-off ends. No dirt noses.
7. CHASSIS and SUSPENSION:
   A) Body, engine and chassis are interchangeable.
   B) Absolutely no offset chassis allowed. Perimeter chassis only.
   C) Wheelbase will be a minimum of 104" on full frame chassis. The frame rails can be shortened to meet this measurement. Wheelbase must be within 1 inch from one side to the other side (I.E. 104 minimum, 105"maximum) of the car at all times. This is tolerance for alignment purposes only. Max. 66’' track. Inside78’’ outside 
   D) Fabricated rear clips are allowed.
   E) A factory production stock front clip may be used from the firewall forward. Fabricated front clips are allowed but must meet the following specifications: tubular front clip rule 2"x3" or 2"x4". Factory front clips must extend from in front of the steering box rear ward to main rail. Frame may be built out of 2"x3" or 2"x4", minimum .095" wall thickness. Where the main frame rail ends, forward may be built out of smaller material if desired to accommodate mounting of the front bumper. This will be referred to as the bumper crush tube. Lower control arms must remain in stock position and will be checked on a regular basis with a portable measuring devise. Stock steering box is mandatory; or rack and pinion allowed with 15lbs on top of each front frame horn in front of cross member. After market center link may be used. Aluminum tie rod sleeves may be used. Hiem joint tie rod ends may be used. Cross member vertical side members must be minimum size of 2" x 3" rectangular tubing and a wall thickness of no less than .095". Cross members bottom horizontal piece must be minimum size no smaller than 1.5"x3"x.095" wall thickness.
   F) Chassis rails must be of equal distance from the centerline of car. Main frame rails must be no less than 24" outside of rail to center line of chassis.
   G) Chassis from firewall rearward may be fabricated from no less than 2” x 3” by .095' box tubing. No holes drilled for lightening purposes.
   H) Front coils, strut rods and sway bars may be interchanged, provided they fit original mounting and are not altered from stock appearance and position. Sway bar must be mounted to lower control arm and may be adjustable. Struts may use heim ends (Ford).
   I) Maximum 4 load bolts may be used.
   J) Hubs must be drilled for larger wheels studs. Minimum of 5/8" wheel studs mandatory.
   K) No coil over suspensions allowed. No coil over eliminators. Minimum 5" O.D. coil springs allowed. Spring rubbers may be used.
   L) Cars must use stock type cast or forged solid pin spindles. Steering arms may be altered to fit steering linkage.
   M) Any steel front upper controls arms may be used. Upper control arm shaft must be stock type steel or aluminum. Sliders are allowed. No heim ends.
   N) Fabricated lower control arms may be used at stock length; 17” Camaro, 18” Ford. Will be measured from grease nipple in ball joint to centre of mounting holes.
   O) One shock per wheel. No air shocks, or coil over springs inserts allowed. Racing shocks allowed. (Position optional) No remote adjustable shock absorbers. Any steel body  rebuildable shock with 1 schrader valve allowed.
8. DRIVE LINE:  Steel Drive Shafts Only. Must have steel 360 degree retaining loops 1/4 by 2" positioned at the front and rear of the drive shaft within 6" of each u-joint. No chains. Drive shaft must be painted white. No accessories may be driven off or attached to drive line.
9. ENGINE:
   A) V8 engines only. Sealed crate part # 88958602 permitted. 
   B) Maximum size is Chrysler and AMC 360, Ford 351 and Chevy 350 cubic inches. Maximum overbore of .060".
   C) For a 104" to 107" wheelbase car engine must be located where the front most spark plug must be centered or ahead of the upper ball joint line with 0 tolerance. Wheelbase over 107" have 1" of tolerance.
   D) Minimum engine height of 11" from center of crankshaft to ground level.
   E) Camshaft-Hydraulic flat tappet cam only allowed. Offset camshaft key allowed. Must run stock size lifter bore for engine being run, no sleeveing. Chryslers exempt. No belt-drive systems permitted. No multiple gear drive systems permitted.
   F) CYLINDER HEADS: 
   F1) Stock O.E.M. or World Products cast iron straight plug only. No other aftermarket cylinder heads allowed.
   F2) World Products cylinder head part #43600-1, #43610-1, casting #I-052 dart iron eagle ss 10021070 is allowed for GM.
   F3) No porting, polishing or port matching of cylinder head, intake or exhaust manifolds; and no porting, polishing or relieving under the values No relieving reconfiguring or reworking in combustion chamber. Stock Only.
   F4) No special lightened values. No titanium valves. No turning of valve stems. An undercut valve may be used. Ball method used to test valve stem to seat clearance. Ball size is .787 for intake and .531 for exhaust.
   F5) No GM angle plug heads.
   F6) No GM head with cast number 292.
   F7) No Chevy bow tie heads. GM Vortec heads only on sealed crate engines.
   F8) The maximum valve sizes as measured across the valve are as follows: General Motors: Intake - 1.94" Exhaust - 1.60"Ford Cleveland: Intake - 2.04" Exhaust - 1.65"Ford Windsor: Intake - 1.94" Exhaust - 1.64"Chrysler Corp. : Intake - 1.88" Exhaust - 1.60"
    Stock only diameter valve springs.
   F10) Stock type rocker arms 1.5 or 1.6 ratio stock type roller rockers allowed
   F11) Screw in stud and guide plates allowed. Stud girdles allowed
   G) No dry sumps.
   H) No aluminum blocks.
   I) PISTONS:  Any flat top.
   J) INTAKE MANIFOLDS:  These manifolds must remain as manufactured. No port matching or flow work permitted. Manifolds must not be painted. All parts #’s are current design Edelbrock Performer series intake manifolds. 1st design manifolds with the same part # are not permitted. Approved: Chevy #2101, Chrysler # 2176, Ford Cleveland # 2750, and Ford Windsor # 2181.
   Adaptor to be on pc. Solid with no modifications and with gasket not to exceed a thickness of 1.25".
   K) EXHAUST: 
   K1) Stock cast iron 2 ½" maximum outlet or may use Schoenfeld headers # 135, 135H & 145.
   K2) Notching of cross member allowed to accommodate exhaust manifold. Cross member must be properly plated so it is not weakened.
   K3) No polishing or matching of ports, must bolt to head without spacers and remain in stock position.
   K4) No inverting of manifolds.
   K5) The maximum O.D. of the exhaust tubing is 3" from manifold all the way. 
   K6) Pipes must be firmly mounted and exit ahead of rear tire. Pipes to be cut flush to the body and above the frame rail or turned down at the exhaust end and exit under car. If using mufflers with a 3" enter and exit a setup tube may be used for a max. of 6". Magnaflow #11219 (3" inlet. outlet) or Magnaflow #11216 (2.5" inlet, outlet) recommended, mandatory at Mosport.
   K7) No collector pipes, 2 into 1 or collector boxes allowed. Cross over is allowed.
   L) FUEL PUMP:  Mechanical pump only.
   May use pioneer performance harmonic balancer #872021.
   M) FUEL:  The gasoline shall not be blended with alcohols, ethers, or other oxygenates and it shall not be blended with aniline or its derivatives, nitro compounds or other nitrogen containing compounds. No NOS systems.
   N) CARBURATION:  One R4412-500 C.F.M. Holly factory stock produced two-barrel carb only. The only changes allowed are jets; power valve and removal of choke parts. Tow throttle return springs and stop are mandatory. Carb. Hats allowed. Air cleaners are mandatory. An accelerator toe bar mandatory. Air filters boxes are permitted. No boost venture below the throttle plate. No ram air systems. A quick-change jet kit (part # 3425 float bowl) may be used. No Keith Dorton performance carburetors.
   Holley factory stock measurements are as follows:  - Metering block must have the following ID# stamped on it. Factory stock # 5924 or 5925. The #10570 will appear on replacement or service metering blocks. - Metering block power valve channel restriction ports (2 holes behind the power valve) maxi. .0635" - Metering block idle feed restriction ports (2 holes) maximum: .035" - Metering block main passage to discharge nozzle (2 holes) maximum: .141" - Main body high speed air bleeds (2 holes) maximum: .028" - Main body idle speed air bleeds (2 holes) maximum .074" - Butterfly (throttle plate) thickness: .0398" - .0438"- Hole in butterfly: .090" - .096" - Butterfly must have stamped on it ID #215 - Throttle shaft diameter .368" - .369"- Throttle shaft thickness at flat of shaft: .152" - Venturi bore diameter: 1.373" - 1.377" - Boost venture inner bore diameter .377" - .383" - Boost venturi outer diameter .610" - .630" - Throttle bore diameter 1.6855" - 1.6865" - all air entering the engine for combustion purposes must enter through the air horn of the carb.
   
   O) DISTRIBUTOR & IGNITION:
   O1) Battery operated ignitions only.
   O2) Car must be self-starting and have an ignition kill switch on the left and right side of dash. Kill switch must be painted red within reach of driver on left hand side of car.
   O3) Stock single-point distributor and stock type coil allowed. No dual points.
   O4) OEM electronic ignition may be used and require stock type coil and stock type ignition modules. (No Mallory systems allowed)
   O5) No traction control devices allowed.
   O6) MSD ignition box is mandatory on all engines. MSD box must be mounted on right side of dash. Rev chip will be determined at start of race season.
   P) ENGINE TEAR DOWN:  Varney Motor Speedway reserves the right to TWO FREE TEAR DOWNS during the current racing season. If engine is found to be illegal, Varney Speedway Motorplex will get another free tear down later. Refusal of tear down will result in disqualification and penalties as assessed by Track management. If engine is deemed legal, Varney Speedway Motorplex will supply gasket package for engine.
10. STARTER:  Race cars must be self -starting. No push starting. Starter must be in stock position and functional.
11. FIRE WALL:
    11A) Interior: all flammable materials must be removed.
    11B) Front firewall does not have to be original, must be min. 22 gauge steel. Passenger side of fire wall may be moved as far back as the front of the roll cage, to allow for easy access to drive line, and may be .045" aluminum.
    11C) A metal firewall of 22 gauge steel must be securely fitted over the rear seat back brace. The top shelf behind the driver’s seat to completely close off the truck compartment and may be constructed of .045" aluminum. 
    11D) All sheet metal work must be neat and properly fitted. All holes are to be covered with sheet metal either welded or riveted.
    11E) Floor must be complete and have all holes covered with sheet metal. Step up over transmission/driveshaft tunnel to the right roll cage uprights can be maximum height 10" from driver’s floor and of minimum 22-gauge steel.
    11F) The rear deck panel, dash and above the drivers shoulders may be .045 thou aluminum.
12. FIRE CONTROL:
    12A) Cars must have a 2 ½ lbs minimum fire extinguisher with a steel or aluminum head mounted in a steel mounting bracket and be bolted down and within driver’s reach with seat belt fastened. Fire extinguisher must be serviced and inspected each year and dated no later than January 1st of the current year.
    12B) Driver’s fire suit is mandatory. No coveralls. Driver and suit must maintain clean looking appearance. Fireproof gloves, contoured neck collar, balaclava, underwear, socks, shoes and Hans or Hutchins type devices are highly recommended, No nylon shoes allowed.
13. FUEL CELL:
    13A) Fuel cell mandatory.
    13B) Fuel cell must be mounted between the frame rails (no notching of the rails allowed) and the bottom must be mounted with no less than 9" ground clearance .Fuel cell must be secured with steel straps made of 1"x1/8" or equivalent, not less than two lengthwise or two crosswise, full 360 degrees. 
    13C) Fuel cell must have left side, right side and rear hoop protection bars, minimum 1 3/4" x .095" tubing.
    13D) Fuel cell must have a one way check valve in the vent line and have a shutoff valve installed which is accessible to driver and safety crew. Must be clearly marked OFF, ON.
    13E) Gas cap must have an appropriate attaching line to prevent its loss. Ground strap from tank to chassis is mandatory.
    13F) Steel fuel lines must be used and neoprene can be used for connection purposes only. Must be securely fastened under floor. No copper lines. Metal fuel filters only. Oil line to gauge must be braided, copper or steel line.
    13F) No plastic lines.
14. INSTRUMENTS:  Oil pressure and heat gauges mandatory.
15. PAINT & LETTERING:  All cars must be neatly painted. Numbers assigned by the track must be painted on both sides of the car and roof, in minimum 24" high by 3" wide letters (roof numbers read from right side) of a colour offering a distinct contrast to the colour of the car. No trick numbers. 4" numbers on both headlights and tail light caps required. Block type numbers 6" high, white in colour, must be displayed on the upper right hand side of windshield.
16. RADIATORS:  Must be in stock location and include a 1-gallon metal overflow can securely mounted ahead of engine firewall, and under hood. No antifreeze. No remote rads.
17. REAR END & SUSPENSION:  Any 3 or 4 point hook up may be used. No coil over allowed. Dual action upper link is permitted. No springs or shocks in upper link or trailing arms permitted. Lower trailing arms must not exceed 30” from mounting holes on rear end to mounting holes on the frame. Upper arms must not exceed 30”. Rubber biscuits allowed at one end of trailing arm. Panhard bar must be one piece solid, adjustable. Heim joints allowed. Rear springs must maintain same mounting location from side to side. Rear end must be mounted centered in chassis.
            FLOATERS with steel or aluminum hubs recommended. No ratchet rear ends allowed. No traction assist or controlled devices allowed. No cambered rear ends allowed. No rubber drive plates. Rear ends to be welded solid, mini spool or full spool only. No aluminum or titanium parts excluding the spool.
            QUICK CHANGE type permitted. No magnesium bells or centre sections. No front gear type centre sections. Steel axle tubes only. Tapered pinion bearings only. No titanium bolts. No gun drilled lower shaft, steel yoke only. Pinion shall be no higher than 2 ¼” than axle centre line, aluminum spool permitted.  
18. ROLL BARS:
    18A) Cage must be constructed of 1 3/4" round steel minimum outside diameter by .095" wall thickness. 
    18B) Four point cage compulsory.
    18C) Base of uprights must be electric or mig welded to frame of car.
    18D) Cage must be braced to the rear frame kick-ups and diagonally between the rear uprights.
    18E) A transfer bar between the rear diagonal and the front frame optional. 
    18F) A minimum of four horizontal bars must be inside the left side door and three bars inside the right door and a minimum of two vertical bars between each horizontal bar. Minimum 40 length by 14" high, 16 gauge metal between door bars and body skin on drivers sided is mandatory on all cars. 
    18G) A center overhead bar running fore and aft between transverse members is compulsory.
    18H) No pipe fittings allowed.
    18I) All roll bars in the driver’s area must be properly padded and taped with foam rubber. 
    18J) Left leg protection bar must be installed between roll cage and left front rail. All welds will be subject to the approval of the tech inspectors.
19. SAFETY BELTS/HARNESS:  A quick release lap belt of no less than 3 inch width and 3 inch shoulder harness is mandatory. Belts must be securely fastened to frame and/or roll cage with minimum ½" inch grade 5 bolts. Crotch belt mandatory. Seat belts must be dates within the last 3 years or be in excellent condition. No one piece columns. Padded steering wheel hubs mandatory.
20. SAFETY HELMET:  A well fitting Snell SA2000, SA2005 or newer safety helmet with a Snell SA rating in good condition is mandatory. Must be worn in all practise and race events and until car is parked in pit area.
21. RACE SEAT:  An aluminum racing seat must be used, bolted to roll cage, not bolts to the floor. When mounting seat use minimum 3/8" bolts with large washers to hold racing seat, to seat framework. Minimum of two bolts on the seat back and two bolts on the seat bottom. Seat must be positioned completely to the left of the centerline of the car. An approved head restraint must be made of some energy adsorbing material. Headrest side plates recommended.

22. TIRES:  All entries are required to use track approved tires only, as purchased from Varney Speedway Motorplex. A Durometer will be used to test tire softness, if a tire falls below our acceptable range the tire will be demand illegal(range to be announced by mid June). 
    Teams may purchase as many tires as they wish over the course of the season for practice, specials etc.
    Teams have to register between 4 and 8 tires (new or used) on the start of the third race night (May 28th) this should allow teams with tires from the previous season an opportunity to use them up.
    Tire allocation is based upon 1 tire per event.

    The chart below shows how many and when teams would have eligible tires at the end of the feature race.

1. New tires do not have to be used on the night purchased.
2. Used tires may be sold to other teams, only after 2/32” are worn off tread indicators, 
   numbers off tire must be transferred to new car #. Change must be approved by tech 
   official, durometer readings will be taken prior to approval.
3. If a brand new tire gets cut – tire may be replaced if approved by tech official.
4. If car breaks in heat race or qualifying, will be allowed a tire for the following night, if Tech deems a reasonable cause that car is broke.
5. Cars must complete 75% of the laps in an event in order to qualify for tire purchase the 
   following week.
6. Only registered/allocated tires are permitted to be used for any point’s race (heats, 
   feature).
7. In case of rainout if a tire is purchased and the feature does not run, the tire bought is 
   your new tire for the next race.
8. Tire management and strategy is up to each individual team.
9. Registering tires with Varney Speedway Technical Staff is the responsibility of each 
   team.
10.  If a car is caught competing in a points event with one or more non-registered tires, that 
    car will be subject to loss of points and monies earned for that event.
11. If during an inspection of the bar code, none of the numbers are legible, that tire will be 
    deemed as “non-registered”

This tire rule does not apply to Invitational nights or the Varney Fall Classic.

23.  TRANSMISSION: 
23A) Any manual stock OEM transmission that bolts up to stock engine without alternation. No special engine transmission adapter plates permitted. All gears must be operational.
23B) Automatic transmissions must remain stock as produced, cooler is highly recommended. Torque converter must be minimum of 10" diameter. No rebuilt torque converters allowed.

24. WEIGHT:  Car weights are 55% maximum left side and 50% maximum rear. All ballast weight must be mounted safety and securely, no lower than 5" ground clearance. All weight must be labelled with car number and painted white. Added weight must be in block form in no less than five-pound blocks. Cars will be weighed and teched after racing as they come off the racetrack with driver in car and without topping up fuel. GM crate 2850lbs. Built motor less than equal to 9.0:1 compression ratio; weight is 2925lbs. Built motor 9.1:1 to 9.5:1 compression ratio; weight 2950lbs. Built motor 9.6:1 to 10.0:1 compression ratio; weight 3000lbs. Maximum compression ratio 10.0:1. No car will be permitted to compete over 10.0:1 compression ratio.
                Quick change rear ends shall receive a weight penalty of 50lbs.
                Rack and pinion will receive a weight penalty of 30lbs.

25. RACING RIM ONLY:  Maximum width 8 inches. No aluminum, magnesium or wide 5 bolt pattern wheels. No wheel spacers allowed. Minimum weight 17lbs.

26. WINDSHEILD & WINDOW NET: 
26A) Windshields must be safety glass with 4 safety clips or Lexan. No Plexiglas allowed.
26B) Window net mandatory with minimum 3/8 inch rod. Must have quick release latch. 
26C) Window pillars must be approx. stock width and location.
26D) Front windshield center bracing mandatory. No exterior bracing, front or back. Minimum two and must be on the inside of the car.
26E) No added film spray tinting permitted. Minimum side window opening 22" length X 14 ½ height. 
26F) No obstruction of driver’s view, in or out of race car, with the exception of the top 4" of the front windshield for sponsor decal. No letter or numbers on rear window.

27. MIRRORS:  One rear view permitted.

28. RADIOS:  See General Track Rule 25 **

NOTE: The interpretation of rules will be solely up to judgment of the officials in charge. Official’s decision will be final. Any part of car not specifically covered must remain stock. Stock parts of those found in model/year O.E.M. parts book.

GENERAL TRACK RULES:
“The rules and/or specifications set forth herein are designed to provide for the orderly conduct of racing events and to establish minimum acceptable requirements for such events. By making application for a competitor permit, it is deemed that the competitor agrees to become familiar with these regulations and abide by the directions set forth and prescribed by Varney Speedway Motorplex. No express or implied warranty of safety shall result from publication of, or compliance with these rules and/or specifications. They are intended as a guide for the conduct of the sport and are in no way a guaranty against injury or death to participants, spectators, or others”. Any questions or concerns regarding any of the above rules, or if you have any suggestions we would glad to hear from you.
Contact by email:  varneymotorplex@gmail.com