<VV> Tire size vs air pressure survey

Frank DuVal corvairduval at cox.net
Mon Dec 30 20:27:49 EST 2013


We all know what Chevy put on the glove box for OEM tires, but what do 
you run with larger tires, or stock sized radials?

For years with 175 and 185 width radials, I ran 25 front, 35 rear, or 
close to those numbers. I recall a period of 22 front and 32 rear.

On my daughter's LM, with 205/65R15 we have been running 25 front, 32 
rear or so. Wear seems fine (even) and steering effort is nice. These 
are on S-10 rims, great look (needed slight machining to fit).

Note all these numbers are for street use, not racing. For auto crossing 
stock wheels/tires I always ran 30 psi front and 40 psi rear.

So, what are you guys wearing as air pressure numbers?

Frank DuVal


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