these are the sportsman rules for pgs as of 10/2010 straight off of thier rulesheet. I hope they have not changed, and yes i am sure i mispelled 50% but i am sure you can read it
if you have any further question feal free to post i am in the process of building a sportsman for PGS’s 2011 season hope to see you on the track
M. Dunn#9
models
american made minimum wheel bas 104"
Body
stock steel, fiberglass, aluminum, fabricated subject to tech aproval… Bumbers mandatory front and back no sharp edges, or opend ends…Lexan Windshield… SSTOCK or FABRICATED firewall floorpan… Ground clearence 4" body, frame, skirts… Spoilers 6" not to exceed width of body.
Roll Cage
mand. 4 point min 1 3.4" .095 Steel tubing… 4 horizontel bars driver door 3 passenger door. …Front/ Rear loop optional.
Weight (minimum)
Stock floor pan/Firewall 3000lbs. 56%L Max
Fabricated FP/FW 3100lbs. 56%L max
Chassis/Suspension
FRONT…stock lower a fram stock location…Tubular upper mounting optional…Adjustable sway bar opt…stock center links inner tie rods outer heim OK…stock idler/pitman arm…stock sterring box stock location…NO rack and pinnion…wedge bolts OK…coil springs 5" diamater minimum, no coil overs…may notch/box crossmember for fuel pump…Stock spindles NO tubular.
REAR…May fabricate rear clip, all suspension mounting points must remain in stock location underslung OK…steel multi or mono leaf springs,NO composit/Fiberglass…adjustable shakles lowereing blocks and sliders OK…wedge bolts ok rear coils minimum 5" diamater…coil spring cars must use stock trailing arms in stock location upper and lower…NO 3 Linkrear suspension.
Brakes
aftermarket pedels/masters OK…brake bias front to rear ok…steel single piston calipers…4 working brakes… disc front/rear OK.
Drive Train
Stock or 9" floater spool/locked OK…NO ratchet carriers,No quickchange, NO positraction…engine mounts opt. #1 plug even or ahead of left upper ball joint…Stock clutch or 7 1.4" multi disc OK…aproved scatter shiel w/ inspection hole…stock transmision w/ all gears operational.
Wheels/Tires
steel racing wheels 8" wide…large studs, 1" lug nuts MANDATORY…track approved tires (goodyear)
Fuel
track approved fuel…fuel cell max 22 gallon…NO electric fuel pumps.
Engine
V8 only, GM 350, Ford 302/351, chrysler 360…Max overbor .060 ±.010…Max comp. 200lbs on track gauge…PISTONS OPTIONAL…conn. rods any steel stock length…camshaft stock strok and weight >cast 48lbs min forged lbs 52< (those numbers are to the best of my recalection it doesnt state that in rules)…NO knife edging crank…Camshaft ANY FLAT TAPPET…NO roller tappets…rocker arms opt., NO shaft mount…stock cast iron or aftermarket aluminum dual plane intake manifold meeting tech approval, (edlebrock performer 2101/7101)???..Carb. 4412 holley 2 barrel 500 cfm MUST pas track gauges…Carb. adapter 1.625" inc. gaskets…distributarstock single point, dual point or electric MSD 8365 OK…NO MSD or other intensifiers boxes…Oil pan any wet sump…NO external oil pump…remote filter OK…Aluminium Pulleys, water pumps, radiators OK…Heads UNMODIFIED cast iron NO bowties.Max valve size
1.94" int 1.50"exh, Ford windsor 1.94 int 1.60 exh. stainles valves OK. valve spring optional, ANY steel retainer. Screw in studs/guide plates. Stus girdles OK.
Exhaust
headers optional. track approved muffler mandatory. must exit behind driver door.
CAR and EQUIPMENT must meet or exceed ALL safety standards