Q: Were 18" Speedline wheels an option for 1991 964s?

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05-15-2008, 09:08 PM

#16

Ag02M5

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Quote:

Originally Posted by parsecnc4

Are the PS rack the same across all 964/965? Also would you have the part number for the 993 brace as well as related nuts/bolts? Maybe I will do that on mine just in case.

993-347-131-02 brace
999-218-103-09 bolts

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05-16-2008, 12:12 AM

#17

kurquhart

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Quote:

Originally Posted by Ag02M5

Excellent info.

Does it rub on any of the lines. It looks like the rack is mounted inside the rubber insert so even if it wasn't touching, I am thinking the lines could still rub under aggressive driving. How close is it if not touching at rest?

Maybe a little grinding would help. Even if it isn't as strong, it would still add some rigidity over nothing.

Thanks.

It is touching the lines, but very lightly. Installation requires flexing some of the lines, but they spring back to the original location.

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05-16-2008, 01:24 AM

#18

Ag02M5

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I'm guessing the lines are all hard lines? Too hard to go duck under my car right now to check.

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05-16-2008, 03:40 AM

#19

etom

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So what is the official name for this part for the 964?
Steering rack stiffener? Steering rack brace? Something else?
Who sells them?

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05-16-2008, 10:20 AM

#20

cobalt

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I will double check the TSB's but I recall there being other concerns. The 94 turbo nor the 3.8RS/RSR use this stiffener and use the 18" speedlines so although that might help for some concerns I don't think this is the answer to what the factory was addressing with the n/a 964's.

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05-16-2008, 11:22 AM

#21

kurquhart

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Quote:

Originally Posted by etom

So what is the official name for this part for the 964?
Steering rack stiffener? Steering rack brace? Something else?
Who sells them?

I have always heard them referred to as a "steering rack brace". The part numbers are a few posts back. Any dealer can get them for you; I got mine from Pelican Parts.

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05-16-2008, 11:26 AM

#22

kurquhart

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Quote:

Originally Posted by cobalt

The wheel carriers failing under extreme conditions is the main problem, AFAIK. A popular solution is to use Evo uprights in the front; I have not heard of any alternative for the rear.

I may have spoken too soon when I said "no problems". We found a failed rear hub yesterday; complete write up on Pelican Parts. Whether this is due to 18" wheels or not is open to speculation.

Last edited by kurquhart; 05-16-2008 at 01:02 PM. Reason: clarification

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