About Ken-Ten Rules Schedule
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 2012 Late Model
Items Highlighted in Red are Changes
Bodies
1.1 Body must be stock appearing, aluminum, fiberglass or metal.
1.2 6-inch spoiler maximum.
1.3 No Five Star Downforce Bodies


 Safety
 2.1 Fuel cell required MUST be mounted behind rear axle. 22 gallon maximum. 9"ground clearance at 3" ride height /10" at 4" ride height.
 2.2 Left side window net required.
2.3 Seat belt and shoulder harness required.  All belts must be quick release types (minimum 3” wide).  Harness must be type that comes individually over both shoulders. Racing seat only. Seat must be bolted to roll cage. Highly recommended you use a full containment seat.
 2.4 Two (2) drive shaft supports are required. No carbon fiber drive shafts permitted.  Drive shaft must be painted white.
2.5 Fire suits are required.
 2.6 Roll bars minimum 1¾ inch tubing with .095 thickness wall.
 2.7 Must have minimum 2-pound fire extinguisher with a gauge and a quick release mounted securely in car within reach of driver while belted in car.
2.7A Highly recommended you run at least a 5 pound to 10 pound Fire bottle with at least 2 nozzles spraying into drivers cockpit. .
 2.8 All weight (lead) must be mounted above frame/inside frame rail with a minimum of two (2) ½ inch bolts.  All weights are to be painted white with the car # painted on each piece. Any driver that loses any lead from his/her car will be fined $250 payable prior to any further competition.  This rule is in effect during race day or practice days.
 2.9 Fuel line must be braided stainless steel hose, if it passes thru the interior it must be run in 1" conduit.
2.10 Drivers compartment all areas within drivers hand reach must be padded.
2.11 All drive comfort systems must be mounted in drivers compartment and secured safely.
2.12 No adjusters inside drivers compartment other than front to rear brake bias, this means no sway bar, weight jackers or shock adjusters.
SUSPENSION
 3.1  Wheelbases of 101 to 105 1/2 (inches).
Fabricated or stock clip cars.
3.2 Engine may be moved rearward so the Left front plug is no more than 4 inches behind the left ball joint. No further back.
 3.3 Maximum tread width 66, center wheel to center wheel.
3.4 Ground clearance to frame, MUST BE a minimum of 3 inches with driver.
3.5 Engine crankshaft must be no less than 10 inches from ground with driver
3.6 NO titanium parts.

 Machined Engines
 4.1 Engines may be interchanged within different car bodies.
4.2 Flat top pistons with (0) zero deck clearance.  Maximum cubic inch 360.
4.5 Any type of Flat Tappet cam.
 4.6 Roller camshaft allowed (see weight rules)  
 4.7 Lifter Must be stock size.
4.8 Any type magnetic steel rod NO ALUMINUM ROD.  6.25 Max. length.
4.9 Dry Sump permitted. (see weight rules)  
 4.10 Heads must be strictly stock with no less than 62 C.C.s. (see weight rules)
 4.11 No 461 or 461X head allowed. No SB2 Chevy or equivalent Ford or Dodge allowed.
4.12 Dart Heads permitted. (see weight rules)
 4.13 Valve seats can be cut for 2.02 valve. 
4.14 No porting or polishing of heads anywhere. No deburring. (See weight rules)
4.15 FORD: Ford-N-Head - Part # M-6049-N351 or Part #M9429C358.  Valves: intake 2.20 Exhaust 1.60. 62cc Runner cc 190  
4.16 Chevy: 492: Part # 3987376 Valves: Intake 2.02  Exhaust 1.60 62CC; Vortek: Part #12529093 Valves: Intake 2.02 Exhaust 1.60 62CC;  Bow Tie: Part #10134392 Valves: Intake 2.02 Exhaust 1.60 62CC.   Runner cc 190-195
 4.17 Intake can be Holley #300-38, Edelbrock #5001, or  #2912, or Victor Jr. with no more than 2275 c.c. Ford permitted to use Victor Torquer part #2980, #2981, #2940, or #2941 Weind X-celerator # 7515.  Chrysler may use Victor XX-2 or Weind X-celerator # 7545. May use two-barrel Edelbrock intake #2901 or #2913. 
 4.18 No vacuum leaks between intake valve and top of carburetor.
 4.19 Any adapter (metal or fiber) must be centered on intake.
 4.20 Adapter plate and gaskets cannot exceed 1 inch in thickness.
 4.21 No aluminum Blocks Allowed
4.22 3.48/3.50 stoke (see weight rules)
4.23 NO Vacuum Pumps on crate or built engines.
Machined Engine  Carburetors
5.1 Track carburetor: Holley 4412 must have stock base plate with bore size11/16 or 1.697.
 
 CRATE ENGINES
6.1 The following crate engines are approved for the 2009 season: GM Part #88958602; GM Part #88958603; GM Part #88958604; Ford Part #M6007-D347; or Dodge Part #P5007958. .
6.2 Engines must remain stock as they come from manufacturer NO CHANGES (i.e. rocker arms, Intake, etc). (see weight rules)
 6.3 All Chevy Crate Engines may run MSD distributor and Crane ignition unit, same as ASA.
 6.4 May run 1in spacer under carburetor.
6.5 2 one-piece open hole gasket maximum 0.065 thickness that matches the interior dimension of the carburetor throttle base plate.  Maximum thickness INCLUDING spacer is 1-1/8 thickness with no air leaks.
  
 Crate Motor Carburetor
 7.1 Must run Holley carburetor model #4150, Part #805411 650 CFM 4-barrell.  This carburetor must remain box stock.  You may change jets, air bleed jets, and power valves. No other modifications of any kind will be considered legal. Boosters may be epoxied but in stock locations.

 TIRES AND WHEELS
8.1 WHEELS 10 inches wide.  Steel Wheels Only.  No half sizes.
8.2 TIRES Track tires only. Hoosiers 1070s.
8.3 No soaking or softening of tires.  Any tires found to be tampered with will be confiscated and the driver will be fined $500 and will be suspended for one Race and not allowed to race at that event.
 
 Weight
 9.1 GM crate motors 602 and 603 2600 lbs.
 9.2 GM crate 604(STOCK) 2700 lbs. Small balancer will be allowed at this weight

9.2A Ford Crate Part # M6007-D347 2700 lbs

 

9.2B Dodge Crate part # P5007958 2700 lbs


 9.3 GM 604 crate with small balancer and 1.6 rocker arms with after market oil pan 2750 lbs


 9.4 ASA Ford Spec McGunegill 2750 lbs

 

9.5 Machined engines Nashville's old LMS engine  Flat Tappet Cam Dart 62 cc Steel Head NO PORT NO POLISH 2700 lbs

 

9.6 Roller cam Dart 62 cc Steel Head NO PORT NO POLISH 2750 lbs

 

9.7 Roller cam any cc steel head with NO PORT NO POLISH 2800 lbs.

 

9.7A Roller cam any cc steel head with PORT and POLISH 2850 lbs.


9.8 9 1/2 to 1 compression Aluminum head any degree 2825 lbs


9.9 All weights with driver before the feature and Qualifying
9.10 58.4% left side weight.
9.11 Dry Sump Motors must add 25 lbs
9.12 Must add 50 lbs. for any stroke other than 3.48/3.50
9.13 Car and driver must weigh correct before qualifying and race.
9.14 No SB2 engines
Protest and Claims
 10.1 No traction control devices of any kind allowed.  Anyone caught with one will receive a $500 fine! 
 10.2 Claim rule on shocks - $250.00 each.  Must be made to Track Tech Official right after feature event.
 10.3 Crate engine protest will be the same as machined engine protest
 10.4 CARBURETOR EXCHANGE RULE FOR CRATE MOTORS: Carburetor may be claimed for $125; $100 to the claimed car, $25 to the track.  The claimer must have finished within 3 positions of competitor being claimed and must give the carburetor from the claimers competing car to the competitor being claimed.  Each competitor may keep his or her jets, power valves, and gas line (if needed).  The track will inspect any and all claimed carburetors prior to the exchange.  Carburetor may be purchased outright for $700 if exchange is declined
 10.5 All Late Model engines will have a $275 claim on all MSD boxes. 
10.6 Only the driver can make a protest. 
10.7 You may only protest a car finishing ahead of you.
10.8 All protest decisions will be made by track inspector and are final.
10.9 No payoff will be made in the protested division until protest decision is made.
10.10 If a visual protest is made, it must be one (1) hour before feature starts. 
10.11 The inspector will make a judgment and the final decision.
10.12 Protest of engine is $500.00.  This covers bore & stroke, pistons, lifters & camshaft, heads, covers rods and crankshaft and manifolds.  $50.00 will go to the track inspector, $25.00 will got to the track and the remainder of the protest money goes to the winner of the protest.
10.14 Protest must be made at scales immediately after the feature.  Once protest is filed, it will not and cannot be withdrawn.
10.15 When protested and found illegal, you will loose all points and monies for that night.  If you admit to being wrong and don’t tear down, you loose all points and monies for that night and will be issued a fine in the amount of $50.00.  Each additional time you are protested and found wrong, the fine will increase by $50.00 and you loose all points and monies for that night.
10.16 When protesting, you must also tear down.  All protests must be made at scales immediately following that division of racing.

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