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Topic: 95 base wheels vs ZR-1 wheels

in Forum: C4 Handling Components

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95 base wheels vs ZR-1 wheels (1/2)
 2/21/23 6:07pm
Mark Wentworth
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, AB - Canada

1995 Black Convertible

Joined: 2/2/2023
Posts: 3

My question is: will 11 inch rear wheels (ZR-1) fit my 95 base Convertible? I would love to put the 315/35ZR17 Michelins on my car but not sure they’ll fit. Was the ZR-1 set up wider to handle the wider rims and tires? 

thanks, Mark

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Re: 95 base wheels vs ZR-1 wheels (2/2)
 2/21/23 11:16pm
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Twin Lakes, CO - USA

SOLD - "The Beast" - '90 ZR-1 (#682)
SOLD - "The Toy" - '70 Convertible
SOLD - "Betty" - '28 Ford Model A Tudor
"BLKBRRD" - '78 Pontiac Trans Am

Joined: 3/18/2009
Posts: 175

Short answer - yes, the rear bodywork on the ZR-1 was 3 inches wider than the regular C4.

There were two different sizes of wheels for the GS.  The convertible's wheels, front and rear, were a bit narrower than the coupe's.  That's why the coupe had the little added on wheelwell flares and the convertible did not.  This article points out a few things that were special about the Grand Sport.  #7 is on the wheels and tires.

A good friend has a regular '94 coupe and has the wider wheels on it.  He has chosen not to add the wheelwell flares and they definitely fill out the wheel wells. 


Jim Olson

"The Toys"...!!!  Save the Wave! 
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