m/t drag radial question
m/t drag radial question im running a 325/50/15 on my truck. im just trying to get some advice on what air pressure i should run them at the track. the truck weighs 4050 with me in it. thanks in advance!
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From: Gainesville, Florida # of drag strips runs: ?!?!?
Start with something in the 20-22 psi range, and work it up or down as needed. If it hooks where ever you start, take note of the track conditions and try the same psi again. If it hooks again try a little higher. If it spins drop it 1/4-1/2 pound per pass until it stops. Keep checking track conditions. You want to run the most pressure you can for rolling resistance. Some on here have clicked off 1.3x 60 foots at 20+ psi, most mega fast 7 second drag radial cars run 12-16 psi. I've gone 1.43 60 foots with 18 psi in my '70 Nova using 275/60/15 M/T radials, and this whack off the transbrake at the same psi:
Search just returned a bunch of threads on this for me, so you might want to give that a try as well.
Derek
Search just returned a bunch of threads on this for me, so you might want to give that a try as well.
Derek
Last edited by Villain281H; Feb 14, 2009 at 02:25 PM.
15" MT DR's on my '94 Z28. After some experimenting, I have run some of my best passes (and best 60') at 15.5 psi. I do vary it based on track conditions, usually starting higher and working down if I need to. I might also stiffen my rear shock settings.
However, what works in a 3400 race weight Camaro is not necesarily a good example for your truck. Experiment and see.
However, what works in a 3400 race weight Camaro is not necesarily a good example for your truck. Experiment and see.
thanks for the help guys! the first test & tune is march 7. this will be the first time the truck has been down the track. i cant wait to see how these tires hold up!
