I have a set of 275/60 Hoosier quicktimes I'm going to mount on a set of Weld Draglites but should I order them w/ 4-1/2 or 5-1/2 backspacing? Also, will these rub on a lower '91 Z? I haven't lowered it yet but plan too & already have the tires.

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'91 Z28 1LE; 355, Sportsman II heads, Edelbrock TPI w/ 58mm TB, Tremec TKO 5-speed, 3.73's & much, much more

I have that size tire on 15x8 American Racing rims... I don't remember the backspacing, but if it's stamped on the original boxes (holding my old rims), I'll let you know tomorrow.

[edit] I'll tell ya though, the fender lip (er... quarter panel lip?) will scrape the sidewall if I lower the back of the car (I have air shocks)... so my backspacing might not be the best to use

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-Tom P (Hot rodded 1986 Firebird 2.8l) from http://www.f-body.net/mailbag/3rd/3rd_mailbag.html message boards
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[This message has been edited by TomP (edited May 01, 2001).]

Thanks Tom, that'd be a help! I've seen 275/50's on lower Z's before, I may just wait until the Hoosiers are finished before lowering it....