Best Tire Sizes

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Nov 21, 2004 | 12:20 PM

yenkoiroc

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Junior Member

Joined: Jan 2003

Posts: 8

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From: Kingston, Canada

Car: 1985 Z28

Engine: 305 H.O.

Transmission: 700R

Best Tire Sizes

What is the maximum tire size you can use on the 15x7 Z28 wheel, front and back? And can you include photos if you have them?

Nov 21, 2004 | 01:03 PM

leeperryracing

Supreme Member

Joined: Apr 2004

Posts: 1,077

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From: Denver, CO

Car: cleanest '86 sport coupe around!!

Engine: 355ci twin 66mm turbos on e85

Transmission: built rmvb th400 w/ t-brake

Axle/Gears: 3.23

245/60/15 would be biggest recommended fit for 15x7 wheel...i've seen guys wearing 255/60/15 but IMO, thats pushing it. Too big of a tire for a wheel screws up your tire's contact patch, hence you get HORRIBLE traction.

Nov 21, 2004 | 08:47 PM

vjo90RS8

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Joined: Jul 2001

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From: San Jose, CA

Car: 2002 Z28

Engine: LS1

Transmission: 4L60E

Axle/Gears: 3.23

to maintain the same tire height id go with 235/60/15 it was actuallyl an option for the 15x7 rim

Nov 24, 2004 | 02:05 PM

mightymaro94

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Joined: Nov 2004

Posts: 256

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From: ohio

you can also clear the 235 -60- 15's all the way around the car perfectly too, i know i got em on there, it handles excellent and i dont got prob with traction no more either