Results 1 to 1 of 1

Thread: 2011 LSX Challenge ERL All Motor Rules

  1. #1
    Join Date
    May 2004
    Indianapolis Indiana

    2011 LSX Challenge ERL All Motor Rules

    2011 LSX ALL MOTOR

    This is a NATURALLY ASPIRATED heads-up shoot-out style drag racing class.
    Developed for naturally aspirated LS small block GM powered and bodied cars and trucks.
    All races are on a .400 Pro Tree and in a heads up format.
    This will be an ALL RUN qualifying format.
    Vehicles are required to be stock appearing and stock bodied.
    All vehicles MUST pass NHRA/IHRA safety inspection for ET and speed.
    A Sportsman ladder will determine running order.
    Vehicles must be driven to staging and to scales, can be towed after scales
    Vehicles are required to run GM Performance Parts Sponsor decal and GM Performance Parts LSX Shootout license plate

    Base CID Base weight
    370 2600
    420 2800
    440 2850
    470 2950

    5.0 lbs/cu in penalty applies for cubic inches over base weight break limit. (Maximum cubic inch still applies.) All weights are with driver & rounded down to the five pound increment. Ex: A calculated weight of 3228 would be required to weigh 3225 with driver at scales.

    # OEM style intake manifolds deduct 100 pounds
    **Canted Valve cylinder heads add 100 lbs.
    *Manual transmission – weight penalty of 125 lbs. added to base weights
    Ladder bar suspended combinations add 50 pounds
    Non OEM 4-link suspended combinations add 100 pounds
    Entries with two throttle bodies or two carburetors (including 2 split dominators) add 50 pounds

    Only LS based small block engines are allowed.
    Cast aluminum or iron block required
    Displacement will be verified by using the P&G method
    Maximum of (2) mufflers are mandatory
    4-inch maximum exhaust exit size
    Gasoline is the only fuel allowed
    Cylinder heads limited to LS OEM or LS OEM “Style” aftermarket head.
    Billet cylinder heads are prohibited
    **Canted valve variations permitted with 100 lbs. weight adder
    Cylinder head must be identifiable to verify legality
    Any modifications allowed to legal heads
    Sheet metal intakes permitted
    Dry sump oiling systems permitted

    Any style carburetor permitted including split dominators-maximum 2-carbs add 50 pounds
    Any EFI system permitted. Maximum of 2 throttle bodies. 2 throttle bodies add 50 pounds
    Any Intake manifold allowed, including sheet metal/fabricated manifolds (*see weights)
    OEM style intake manifolds deduct 100 pounds
    Any modifications permitted, manifold must be identifiable

    Any OEM style automatic transmission permitted
    Any non-planetary style manual transmission permitted (*see weights)
    Any torque converter allowed. Lock-up type permitted.
    Torque converters not permitted with manual transmissions
    Clutch-activated automatic transmissions (re: Clutch-flite) are prohibited

    Aftermarket K-members allowed
    Mini tubs and notched frame rails allowed
    Factory rear frame rail required in OEM location
    Wheelie bars are permitted
    Stock type suspensions permitted with stock mounting locations
    Ladder bars permitted with 50# weight adder
    Non-OEM 4-links permitted with 100 pound weight adder
    Coilovers permitted
    Front-wheel drive conversions prohibited

    Must be original appearing.
    Floors must be upholstered, headliners required
    Two seats are required in stock location, rear seat may be removed
    OEM appearing dash required

    Forward facing hood scoops prohibited except for OEM type
    Cowl induction hoods permitted, 6” max
    OEM composite body panels permitted
    Light-weight or fiberglass body pieces limited to hood ,doors, trunk/hatch, bumpers
    Overhangs must be OEM, Wheelbase must be OEM +/- 1”
    Rear spoilers permitted, max. length 26”, may not be molded into the body.
    Replacementt fiberglass/carbon panels must maintain OEM appearance and function.

    OEM safety glass or Lexan Permitted. Window tint is prohibited forward of the “B” pillar. Tinted windows are not permitted forward of the “B” pillar, per NHRA requirements.

    Electronic driving aids prohibited
    Throttle stops, delay boxes and auto shifters prohibited
    Two-step, trans-brakes and line-locks are permitted
    Functional headlights, taillights and horn required
    Any aftermarket ignition permitted

    TIRES - FRONT: Front tires must have a minimum tread width of 4.5 inches.
    TIRES - REAR: Street type or racing slicks permitted
    Maximum actual measured tire size is as follows:
    Actual measured tread of tire is limited to 10.75 inches by 30.5 inches tall
    Actual tire width will be measured by a “go - no go” gauge after conclusion of run at scale area
    Tire tread may not extend outside fender lip.
    “W” tires prohibited, tire shaving prohibited

    Absolutely no nitrous or other power-adder equipment will be allowed on the vehicle.
    Nitrous plates, solenoids, soft or hard lines, nozzles, bottles or disconnected superchargers must be removed.

    NMCA WINDSHIELD DECAL – must be installed on top of windshield. This NMCA decal must be the only decal on top of windshield. Other vehicle sponsor decals may be placed at base of windshield.
    NMCA SIDE DECAL- must be installed on side widow of vehicle.
    CLASS SPONSOR DEACAL- GM Performance Parts decal must be installed on lower right side of front windshield.

    CONTINGENCY DECALS: Decals are required to appear only on the rear quarter windows or rear window in a clear and orderly fashion. Contingency decals may not be overlapped or modified
    Last edited by nmcajeff; 01-14-2011 at 08:32 AM.
    Operations Manager Lucas Oil Raceway

    9 out of 10 times if you have to ask if it's's probably not!

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts