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How do I raise my stock rear suspension an inch?

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Old Oct 15, 2010 | 10:24 AM
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How do I raise my stock rear suspension an inch?

I recently bought a '99 996 and I'm loving it! The only problem is that the last owner put wheels with spacers on that are a size too big. When I hit bumps the tires bottom out on the edges of the wheel wells. I want to keep the tire/wheel package so I want to raise the rear suspension by about an inch (maybe less). I'm trying to figure out the easiest/cheapest way for my mechanic to do it. I know I could replace springs but I don't want to if I don't have to. He has mentioned using shims and placing them at the bottom of the springs. Sounds good to me but we can't find them anywhere. I'm sure I could get them machined if I knew anyone but I don't.

If anyone knows where to get these shims or even a proper name to google search I'd be very appreciative. Also, if this sounds like a terrible idea and there is a better way, please let me know. Finally, if I change the ride height, will this effect the camber? -Mike
 
Old Oct 15, 2010 | 11:24 AM
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why not get smaller spacers so it will tuck under when you hit a bump a few millimeters may do the trick, how big are the spacers you have on now?
 
Old Oct 15, 2010 | 11:58 AM
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If the suspension is stock there not much you can do , but if there's aftermaket springs the only things replace the rears with stock ones
 
Old Oct 15, 2010 | 12:42 PM
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You don't want to "shim" the suspension of your porsche, it doesn't work like a pickup truck with leaf springs and of course it will throw your alignment out of whack. Are you running stock or aftermarket suspension now?
Do not run two different suspension systems on your car. If your shop is telling you this is the cheapest way.. find a new shop.


Cheaper ways?
Take the spacers out or put smaller ones in
Roll your fenders

The same cost-
Get a proper wheel setup and re-use the rubber
 
Old Oct 15, 2010 | 12:45 PM
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I suppose that I could do that. I kind of like the current width but I'm sure I'd barely notice the difference. I don't know the current spacer size but I'll check. What's a good spacer supplier? Thanks
 
Old Oct 15, 2010 | 12:48 PM
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I had my rear inner fenders cut.....if u look under there is almost an inch of extra metal search my threads u might find the one
 
Old Oct 15, 2010 | 12:49 PM
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I think H&R has a few sizes. I know that they have them in performance automotive- porsche.. even ebay would work, they dont have a lot of pressure on a 7mm spacer and any aluminum one should work fine.

You will notice the spacer much less than than a suspension lift. An inch is HUGE on these cars.
 
Old Oct 15, 2010 | 01:15 PM
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If they are only rubbing slightly you can roll the fenders. I did this to mine. Rented a tool from this company:

http://www.rollyourfender.com/

I did it 4+ years ago before they had the adapter for the Porsche wheel hub so I had to improvise. If you Google "roll your fenders" you will find lots of info, some people do it with a baseball bat, I think the tool is a better way to go.
 
Old Oct 17, 2010 | 06:36 PM
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i do rolling fenders too
 
Old Oct 17, 2010 | 07:08 PM
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lose the Wheels and Spacers, obviously they are the Wrong ET...
 
Old Oct 20, 2010 | 10:45 AM
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Thanks to everyone for the tips. I think I'm going to roll the fenders. Seems like the best solution. I just need to check for clearance against the inside edge of the fender. I know it's close. Thanks again.
 
Old Oct 20, 2010 | 11:58 AM
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Originally Posted by Dharn55
If they are only rubbing slightly you can roll the fenders. I did this to mine. Rented a tool from this company:

http://www.rollyourfender.com/

I did it 4+ years ago before they had the adapter for the Porsche wheel hub so I had to improvise. If you Google "roll your fenders" you will find lots of info, some people do it with a baseball bat, I think the tool is a better way to go.
+1
 
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