Start with 18 psi. Drop down 1/2 psi each time until your 60 foot time stop improving.
Tire pressure depends a lot on how the car is set up. No two cars are exactly the same. I'm currently running 14 psi in my slicks. If the track is slippery, I'll drop it down to 12.
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Follow my racing progress on
Stephen's racing page
and check out the
race car
87 IROC-Z SuperPro ET Bracket Race Car
461 naturally aspirated Big Block
Best ET on a time slip: 11.242 altitude corrected to 10.89
Best MPH on a time slip: 121.52 altitude corrected to 125.89
Altitude corrected rear wheel HP: 497.9
Best 60 foot: 1.546
Racing at 3500 feet elevation with a typical race day over 5000 feet density altitude!
Member of the
Calgary Drag Racing Association
87 IROC bracket car, 91 454SS daily driver, 95 Homebuilt Harley