I just mounted 28X9.5 slicks on my bird. What air pressure would you suggest, I try.
Thanks
John

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82 Firebird,408,Dart Iron Eagle 215's,Cam 229/239, .498/.520,TH350 Tranny, 750 Speed Demon carb, Hooker Headers(I.E. POS) Manual steering, Bfg DR's.
Check out my birds new home.
Best et 8.21 @84mph in the 1/8th

 

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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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!
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87 IROC bracket car, 91 454SS daily driver, 95 Homebuilt Harley