Wheel fitment opinions
#1
Racer
Thread Starter
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Hello all,
I was told by an indepedent Porsche garage recently that my new rear wheels where too wide/offset too low. Apparently they protruded by about 1/2" and "didn't look right". I was told this over the phone and so didn't actually see what they looked like. Anyway I decided to fit them myself today just to see how far out they where and here are the results:
http://i120.photobucket.com/albums/o...r/DSCF0128.jpg
http://i120.photobucket.com/albums/o...r/DSCF0129.jpg
http://i120.photobucket.com/albums/o...r/DSCF0127.jpg
Am I missing something here ? I'm running 1 degree negative camber on the rear and to me they look ok. I appreciate that they protrude slightly but there are no clearance issues when the suspension is compressed. Here's a pic of what the car now looks like
:
http://i120.photobucket.com/albums/o...r/DSCF0131.jpg
Cheers.
I was told by an indepedent Porsche garage recently that my new rear wheels where too wide/offset too low. Apparently they protruded by about 1/2" and "didn't look right". I was told this over the phone and so didn't actually see what they looked like. Anyway I decided to fit them myself today just to see how far out they where and here are the results:
http://i120.photobucket.com/albums/o...r/DSCF0128.jpg
http://i120.photobucket.com/albums/o...r/DSCF0129.jpg
http://i120.photobucket.com/albums/o...r/DSCF0127.jpg
Am I missing something here ? I'm running 1 degree negative camber on the rear and to me they look ok. I appreciate that they protrude slightly but there are no clearance issues when the suspension is compressed. Here's a pic of what the car now looks like
![Smilie](https://rennlist.com/forums/images/smilies/smile.gif)
http://i120.photobucket.com/albums/o...r/DSCF0131.jpg
Cheers.
#2
Pro
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I was also told that the offset on my rear wheels we also too low but as with you I'm running around
-1.5 degrees camber in the rear and there are no clearance issues at all and my car is sitting pretty low. My guy did concede that everything appeared to be fitting okay and that he could see no issues other than the offset was not what it was "supposed to be" These pics of my car are very similar to your wheel position relative to the arch and on hard cornering or full compression I've had no rubbing.
Neil
-1.5 degrees camber in the rear and there are no clearance issues at all and my car is sitting pretty low. My guy did concede that everything appeared to be fitting okay and that he could see no issues other than the offset was not what it was "supposed to be" These pics of my car are very similar to your wheel position relative to the arch and on hard cornering or full compression I've had no rubbing.
Neil
#3
Pro
Join Date: Oct 2003
Location: Calgary, Alberta. CANADA
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Looks like it's a bit too wide..
If you haven't driven the car hard you won't know there is anything rubbing (according to me).
If they look good to you then they're good.. proably that porsche garage is just jealous
If you haven't driven the car hard you won't know there is anything rubbing (according to me).
If they look good to you then they're good.. proably that porsche garage is just jealous
![Wink](https://rennlist.com/forums/images/smilies/wink.gif)
#4
Three Wheelin'
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Talat,
It looks close but I wouldn't go as far as to say it doesn't look right. The possible contact area is at the top of the rear arch since there is normally a good half inch lip there - unless the arches have been rolled. Do you know the ET on the wheels?? My guess is that the wheels may be designed for a NB car and the turbo body uses much higher (i.e. ET61) offsets with the turbo trailing arms. What size tyres do you have on them??
Dave
It looks close but I wouldn't go as far as to say it doesn't look right. The possible contact area is at the top of the rear arch since there is normally a good half inch lip there - unless the arches have been rolled. Do you know the ET on the wheels?? My guess is that the wheels may be designed for a NB car and the turbo body uses much higher (i.e. ET61) offsets with the turbo trailing arms. What size tyres do you have on them??
Dave
#5
Three Wheelin'
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What size are your wheels and what is the offset? I'm running 18x10 et64 on my C2 turbo and they fit fine. I did try some 19x11 997 Carrera wheels and they stuck out @ .5".
#6
Nordschleife Master
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Looking at one of your pics (below), I would agree they are a bit too far out but if, as you say, you've no rubbing issues then you should be OK. Pushing the car hard on a track might cause some issues though.
![](http://i120.photobucket.com/albums/o172/JZX100/porker/DSCF0129.jpg)
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#8
Racer
Thread Starter
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Thanks for the replies. Agree that the left side of the car looks worse then the right side in the pics but looks ok at most angles. We jacked each corner onto a 4 inch block of wood and then dropped the jack - this put the wheel right under the arch and there was plenty of clearance on both sides i.e. I could get my fingers between the arch and the tyre quite easily.
The rear arches appear to be rolled and the wheel specs are 10.5J ET47 running 265/35/18 rubber. RH recommend 10J ET54 - I can rebuild the wheels to this spec but the cost of it will make it uneconomic - hence I'll probably stick with these since they certainly look the part imo![Smilie](https://rennlist.com/forums/images/smilies/smile.gif)
I need to lower the rear at some stage and this will mean getting the geo redone - may then go for a little more camber on the rear.
Cheers.
The rear arches appear to be rolled and the wheel specs are 10.5J ET47 running 265/35/18 rubber. RH recommend 10J ET54 - I can rebuild the wheels to this spec but the cost of it will make it uneconomic - hence I'll probably stick with these since they certainly look the part imo
![Smilie](https://rennlist.com/forums/images/smilies/smile.gif)
I need to lower the rear at some stage and this will mean getting the geo redone - may then go for a little more camber on the rear.
Cheers.
#9
Three Wheelin'
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Since you are running 10.5, I think you are probably spot on. IIRC, the largest wheels that the 964 widebody can accommodate is a 10.5". You can probably go to a custom fitment with lots of trial and error and run a 11", but I don't think it is worth it.