Quote:
Originally Posted by 911cabby
I have an 87 Carrera 3.2 with 18" rims.....on the weekend I noticed that one of the tires looked low on air. I read the sidewall of my Z rated Bridgestone's and it said max PSI was 51..so I "topped up" all 4 tires to 45 PSI.
Speaking with my neighbour he told me I was crazy as when tires heat up the PSI expands and I risk blowing a tire at high speed...
So I said okay- what should it be at at which point he told me to consult my owners manual.....unfortunately I have 18" aftermarket Victor Equipment Lemans rims not OEM fuchs so its not exactly covered in the manual- assuming I actually had one that is.
I know there are a few guys running the same rims as me on here so your advice would be greatly appreciated...
Thanks!
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there's no reason to run the tires at max pressure
for normal street use ~33psi front and ~35psi rear is fine,
if you want to get into it more you can check the wear pattern at the tire corners, all new tires have little indicators that show the max lateral progression for wear, keep the wear pattern a bit above these and you are good.
here's one w/ an arrow pointing to it
