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Registered
Join Date: Sep 2021
Posts: 1
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1991 928 S4 Rear Wheels
I recently inherited what I believe to be an 1991 928 S4 with 62k miles on it. Having previously owned a 1995 928 GTS 5-speed this car is very different. Which is my first question...how can you tell from a GT and an S4? From the descriptions in this forum it rides and looks like a GT but I still am not sure as it has wheels very similar to my GTS.
Second question, more importantly, did factory Porsche install shims on the rear wheels in 1991? I am asking as I just replaced the tires and the local shop told me my shims were very dangerous and they would not reinstall them stating liability on their end. Now when I look at the car it appears the rear wheels are slightly tracking inside of the track of the front tires. I have never seen a Porsche have a narrower track on the rear than the front but I am not sure of this. Also, the shims which I have, look to be stock. There are no logos or insignia on them as most after market parts have. The front tires are 225/45/17 and the rears are 245/40/17's. They are Porsche Chrome rims similar to my GTS.  
Last edited by ben90265; 09-05-2021 at 07:30 AM.. |
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09-05-2021, 07:25 AM
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Registered
Join Date: Mar 2010
Location: Texas
Posts: 2,137
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Ben, Do you have extended lugs that will accommodate the spacers? I saw something the other day that said you should have at least 7 turns of the lug nut on the stud to be safe.
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John Curry (Drift King) 928OC member Grand Prix White 1994 GTS AT (The GTS) Black 1989 GT (The GT) and Cobalt Blue 1989 S4 AT (The Blue Car) 1986 Euro AT Indishrot 1984 Euro S AT (The Stepson) and Black Metallic 1984 Euro S 5 speed (The Schwartz) |
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09-07-2021, 08:31 AM
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