What tire pressure are you running?
05-01-2011, 04:48 PM
#41
Burning Brakes
air pressure is dictated by car, use, and tire size. not by the tire.
Max pressure indicated on the sidewall is just that, MAX pressure. Watch your monitor some time on a hot summer day when you're doing 140+mph down the highway and watch the psi rise from 30psi to the upper 30's.
Max pressure indicated on the sidewall is just that, MAX pressure. Watch your monitor some time on a hot summer day when you're doing 140+mph down the highway and watch the psi rise from 30psi to the upper 30's.
05-01-2011, 11:54 PM
#44
Le Mans Master
It's worrying that "experts" in a tire shop recommended 45psi
As has been said, the book says 30 psi cold
Like 8vette7 I run slightly lower pressures. I was running 28 psi cold to give about 32 hot. Even at that pressure I had more wear in the center of the tread at the rear over the life of my last set of Michelin AS ZPs.
As has been said, the book says 30 psi cold
Like 8vette7 I run slightly lower pressures. I was running 28 psi cold to give about 32 hot. Even at that pressure I had more wear in the center of the tread at the rear over the life of my last set of Michelin AS ZPs.
I do the same on my Michelin AS ZP Plus. But I measured each tire's tread depth yesterday while installing my SS brake lines. And noted that I had a 1/32 less depth on my RR than on any of my other tires.
Which is not bad compared to my first set of Michelin AS ZPs (not the Plus model) they wore much greater in the centers of both rear tires than on the edges.
I guess I can't be surprised that the RR wears faster than the LR or the fronts
My current set of Michelin AS ZP Plus were at 9/32 when I bought them (not 10/32 as Michelin says in their specs). And in the 2.5 years of use the rears are at 6/32 and the fronts at 7/32. Not too bad considering the tires were installed at 45k and I now have 66.6k.
