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Classes & Rules - Limited Sportsman
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ALBANY MOTOR SPEEDWAY 2011 LIMITED SPORTSMAN RULES

 LIMITED SPORTSMAN

CAR

This division is open to any 1955 or newer sedan, or jig-built chassis with stock front clip. NO station wagons or pick-up trucks.

This is a new class at A.M.S. this year.  Our intent is to be as inclusive of all cars as possible.  In order to keep all chassis/engine combinations competitive further rule changes maybe necessary.  A.M.S. reserves the right to make any rule changes necessary to maintain such competition.

WEIGHT

A. 2650 lbs. after race, 3 Link or Leaf rear suspension

B. 2750 lbs. after race, 4 link or swing arm rear suspension

C. GM 602 crate engine in stock front clip cars. deduct 150 lbs. from above combinations

D. Tube front clip cars may run with 602 crate motor only.  NO Weight deduction on these carsand 40 lbs. of weight must be mounted ahead of flywheel.

 ENGINE

A. ONLY stock production steel V-8 or V-6 engines. Motor maybe setback 1"from #1 spark plug to top ball joint. Solid motor mounts permitted.

B. 360 cubic inches maximum Ford and Chevrolet. 374 cubic inches maximum Dodge/Chrysler. MUST utilize stock bore and stroke combinations. Small block engines ONLY.

C. .060ths over bore permitted on all engines. Block may be surfaced. Pistons may not exceed top of block more than one .10th. Measured with out head gasket.

D. Stock steel rods or stock type steel rods. Eagle H-Beams rods permitted, but  no other H-Beam rods allowed. MUST be stock length to the engine.  (EX: 350 Chevrolet 5.7" maximum length) No 6 inch rods. No titanium, aluminum or any other exotic material permitted.

E. Steel or cast factory production crank shafts ONLY. 48 lbs. minimum weight.  Casting number must be plainly visible.  Cranks must be stock stroke to engine. (EX: 3.48" maximum for 350 Chevrolet)  NO knife edging. Eagle or Scat crankshaft OK must meet above rules!

F. No dry sump oiling systems

G. Engine balancing permitted.

H. Chassis type collector headers ONLY. No 180, 90 degree, or Tri-Y headers permitted. Headers must turn in under firewall or out bottom of fender. Must have Schoenfeld muffler # 112535 or other muffler that has adequate noise reduction and performance features.

I. Any flat top piston.  2 or 4 valve relief piston permitted.  Ford must use these pistons when running World Products Windsor SR heads.

J. Any flat tappet camshaft permitted.  No roller camshafts.  Lifters must be stock diameter.


CYLINDER HEADS

A. Any OEM Factory production steel heads.  GM 062 or 906 Vortec heads allowed.  NO Bowtie, Dart, SVO. Ford may run GT40 steel head.  Dodge can run w2 steel heads.

B. NO angle plug heads, except Ford or Chrysler.

C. Angle milling of heads OK.

D. Multi angle valve job permitted. NO porting, polishing, squaring, or epoxying of ports.

E. Valve size Chevrolet 2.02" intakes and 1.65" exhausts. Ford and Chrysler must remain stock sizes.

F. Stainless steel valves permitted.

G. Screw in studs and guide plates permitted.

H. Roller tip rockers. Aluminum rockers and stud girdles permitted. No shaft mounted rockers.

I. Any valve retainers . Any spring permitted.

J. GM 062 or 906 Vortec cylinder heads permitted with following specs: 175cc intake runner volume max; 64cc exhaust runner volume max.  World Products 4360 or4361 and Windsor SR heads permitted. 

K. No shaft mounted rocker arms, all others permitted.

INTAKE MANIFOLD

A. Any aluminum or cast iron intake

B. NO porting, polishing, or epoxing of runners permitted.

C. 1" carburetor spacer allowed.

CARBURETOR

A. 3310 vacuum secondary, Stock OEM production 4 barrel, or any carburetor smaller with vacuum secondary.

B. Air horn may not be removed.

C. NO porting, polishing, or modifying of venturies. NO altering of boosters, throttle shafts, butterflies, or throttle plate.

D. NO double pumpers permitted. Carbs checked with no-go-gauges made to Holley specs.

E. May drill idle holes in primary butterflies.

F. Crate motors may use Holley 650 cfm carb.

FUEL SYSTEMS

A. Stock fuel pumps ONLY. No electrical pumps.

B. Racing fuel cell mandatory.

C. NO alcohol, NO nitrous oxide, gas ONLY.

D. Sunoco blue or purple only. Fuel must not be check above (+) (-) 5 on electric fuel checker when calibrated with A.M.S. track racing fuel.

IGNITION

A. Any electronic or breaker type ignition system allowed.

B. No magnetos

C. No traction control

CLUTCH

A. Triple disc clutch OK.

B. NO RAM couplers allowed.

C. May run aluminum flywheel.

D. Car must have working clutch or torque converter.

TRANSMISSION

A. Stock factory production standard or automatic transmissions.  Bert or Brinn transmissions allowed.  No Jerico, Tex or other quick change transmission

B. Transmission must have two working forward gears and one working reverse gear.

C. Driveshaft may be steel, aluminum or carbon fiber, and have steel drive shaft loop front and rear.  Bert Ball Spline transmission must run carbon fiber drive shaft.

FRAME AND SUSPENSION

A. 104" wheel base minimum. 1" tolerance

B. Uni-body chassis may be connected.

C. Front clip must be stock and have a minimum 2" x 2" square tube or 1 ½" x .090 round steel tubing from rear of front clip to back bumper.  Must use stock lower control arms mounted in stock position.

D. May use safety spindles.  ½" wheel studs and 1" lug nuts required.

E. Tubular upper A-arms permitted. Stock lower A-arms only.

F. Stock steering ONLY. Quick steers allowed. NO RACK-N-PINION steering except jig built front ends equipped with GM 602 crate.

G. Jack screws permitted

H. No coil-over springs on front.  5" coil springs required on front.  Except Jig built cars equipped with GM 602 crate.

I. Coil-over springs allowed on rear only.

J. Racing shocks permitted.  No single or double adjustable shocks allowed. One shock per wheel only front and rear.  No canister shocks.

K. Stock or quick-change rear ends permitted.

L. Torque links or rubber snubber bars okay.  Must be mounted top of rear end to chassis.  Maximum length 24"  No lift bars or fifth coil allowed.  May run one 9010 shock on top of rear end also.

M. Any type trailing arms or leaf springs.  3 link or 4 link or swing arm rear suspension allowed.

N. 4 link rear suspension must run shock and spring ahead of axle on left side.

O. Swing arm rear suspension must run top left arm mounted ahead of rear end.

 BODY

A. Stock appearing steel bodies. Fenders and quarter panels may be cut for tire clearance. Hulling allowed.

B. Doors must be welded or bolted shut.

C. Fiberglass or aluminum hood permitted. Only aluminum doors permitted.

D. After-market aluminum or fiberglass bodies allowed.  All bodies must have stock appearing nose pieces.  No wedge bodies.

E. No push bars in front of bumper.

F. 8" spoiler maximum height, spoiler may not be wider than 76", and supported with a maximum of 3 triangular supports not to exceed 16" long and 8" high at rear of support, and not more than 2" high at front of support. May use 1" wide flat aluminum for support.   Crate motors may run 10" spoiler heighth and 18" max support width.

G. Car can't be wider than 76" front to rear..  Quarter panels can't be longer than 45" or higher than 37".

H. Light tube bracing behind bumpers only.

I. Must have front and rear tow hooks

WHEELS AND TIRES

A. Steel or aluminum wheels allowed.

B. 12" maximum width on wheels / 12"  bead lock allowed on right rear ONLY.

C. No innerliners

D. Wide 5 adapters allowed.

E. Track tire Spec D21, , D55, or D70 Hoosier Racing Tires only.  No crate 21 or crate 55 allowed.  American Racer 48, 56 and 70 also allowed.

 F. No tire softners allowed.  Tires will be subject to a minimum durometer reading.


 

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