Anybody else running these sizes?
10-12-2010, 09:53 PM
#1
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Car: 91Z, 97RS, 99Z, 02Z
Engine: TPI 383 Vortec, 3800, LS1, LS1
Transmission: T56, 700R4, T56, 4L60E
Axle/Gears: 3.73, 3.43, 3.42, ?.??
Anybody else running these sizes?
I got a set of ZO6 wheels for my 91Z and would like to run 245/45/17 on the front 17x9.5 wheel with 2" spacers and 285/35/18 on the rear 18x10.5 wheel with 2.25" spacers. I've searched this site and haven't found that exact combo. Has anyone ran those sizes and if so how did it work out for ya?
10-31-2010, 12:19 AM
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Car: 91 Z28
Engine: L98
Transmission: Automatic
Axle/Gears: 3:42
Re: Anybody else running these sizes?
Post pics when you get them on because I was thinking of doing the same.
10-31-2010, 04:23 PM
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Car: 1986 z28 & 1992 z28
Engine: 305 TPI
Transmission: 700-R4
Re: Anybody else running these sizes?
Is there a reason you plan on running 245/45-17 on the front on a 9.5" wide rim? I am running 285/35-18 on the rear, but up front I have 18x8s with 245/40-18.
10-31-2010, 07:28 PM
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Car: 91 GTA
Engine: 377ci
Transmission: T56
Axle/Gears: QP Ford 9" 3.70s
Re: Anybody else running these sizes?
The 285/35-18 fit no problem. I am personally thinking about stepping up to a 305 with a bigger sidewall. Your front fitment is small also. I think I have 265s/30 R18. I did not have to do any trimming. I have cut down moog springs and valved Bilstiens. I do a fair bit of autocrossing and road coursing. I have had no problems. I am actually thinking of getting it lower.
10-31-2010, 08:05 PM
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Car: 91Z, 97RS, 99Z, 02Z
Engine: TPI 383 Vortec, 3800, LS1, LS1
Transmission: T56, 700R4, T56, 4L60E
Axle/Gears: 3.73, 3.43, 3.42, ?.??
Re: Anybody else running these sizes?
The 285/35-18 fit no problem. I am personally thinking about stepping up to a 305 with a bigger sidewall. Your front fitment is small also. I think I have 265s/30 R18. I did not have to do any trimming. I have cut down moog springs and valved Bilstiens. I do a fair bit of autocrossing and road coursing. I have had no problems. I am actually thinking of getting it lower.
10-31-2010, 08:53 PM
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Car: 1986 z28 & 1992 z28
Engine: 305 TPI
Transmission: 700-R4
Re: Anybody else running these sizes?
When I had my z06 wheels, I ran 275/40-17 up front, and 295/35-18 in the rear.
11-01-2010, 07:02 PM
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Car: 91Z, 97RS, 99Z, 02Z
Engine: TPI 383 Vortec, 3800, LS1, LS1
Transmission: T56, 700R4, T56, 4L60E
Axle/Gears: 3.73, 3.43, 3.42, ?.??
Re: Anybody else running these sizes?
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thats the way to go. 
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