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I have a 1986 Buick Grand National - turbo V6. I currently use #3754 Mickey Thompson ET Streets 28x11.5-15.

Vehicle weight with driver is around 3650 and my quickest time is 11.229 @ 120.49 with a 1.600 60' time.

I'm running about 16 psi in the tires and my last time out I was having trouble hooking up (1.7x short times).

What should I be running for tire pressure to get the max out of this tire. The above times are also done on +25 year old rear suspension - and that will be upgraded by the next time out.

Any thoughts on tire pressures with this tire combo?

Thanks,
 
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