Smackdown 9
August 2, 2025 @ TMP
NO DELAY BOXES (zero’d is fine)
NO THROTTLE STOPS
NO BRACKET RACING AIDS
Limited 28s – $300 tech card. 100%+$2000 purse (70/30)
.400 pro tree, heads up, no time/ no time slips
BODY
Must be factory, production based body and have stock appearing dash. Steel roof and quarter panels required, unless composite from the factory. Wheelbase must be within 2″ of factory. One piece lift off front ends permitted provided it remains factory appearing. Chin spoilers permitted.
Chassis
Front Suspension
Back half type vehicles only. Stock style front frame rails and suspension required. Front frame rails to be OEM type and be intact from firewall out past forward-most lower control arm mount. Slight notching allowed for header clearance, header must pass through this area. Aftermarket K members permitted. Smith Race Craft bolt-in style round tube front sub frames permitted in 1st Gen Camaros and 1st gen Chevy2s as long as upper and lower control arm option maintained.
Rear Suspension
Any type rear suspension permitted. Wheelie bars prohibited.
TIRES
any 28×10.5w Slick or 275 drag radials
ENGINE
Any engine combination permitted. Only one type of power adder allowed. (twin turbos or pro chargers permitted). Engine may not be set back further than the factory firewall position
TRANSMISSION
Any transmission permitted
SAFETY
Engine diaper mandatory on all entries. Chassis to be certified for et’s being run. We strongly suggest that all participants wear a Hans or Nex Gen type of head/ neck restraint.
Disclaimer – We reserve the right to change the rules without notice to keep parity and maintain the spirit of the class.
5.50 Index – $250 tech card, $10,000 purse guaranteed (no minimum) 8000/1000/500/500
.400 Pro Tree, 5.50 Index
All run (no dragsters)
2 test passes
Chip draw for eliminations
Times shown
No delay boxes, no throttle stops
6.00 Index – $150 tech card, 100%+$1000 (70/30)
.500 Pro Tree, 6.0 Index
times shown
6.50 Index – $150 tech card, 100%+$1000 (70/30)
.500 Pro Tree, 6.50 Index
times shown
Pro ladder
Pro Bike Index – $200 tech card, 100%+$1000 (70/30)
.400 pro tree, 1 test pass. Pick your Index and run all race on that index
No Time/ No time slips
Pro Jr Dragster – $100 tech card, 100%+$500 (70/30)
.400 pro tree, 7.90 Index
All run
Qualified field
Pro ladder
Jr Consi – $20 tech card, winner take all
.500 Sportsman tree
dial in
