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Old 07-15-2005, 06:40 PM   #1
legacy2003
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Default what size shims to use for gc control arms bolting to a gd crossmember?

im using a usdm sti crossmember (basically same as rex with some more bracing) for my 03 wrx swap into my 00 rs. i know i have to shim the control arms (it is the only way im going to do it, not getting new bushings or anything). im wondering what size washers, and how many, i need to make this work?

-mike
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Old 07-16-2005, 02:04 AM   #2
legacy2003
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bump! help me please?
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Old 07-16-2005, 02:06 AM   #3
RS_to_WRX_swap
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2 normal size washers per side, atleast thats what i did.
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Old 07-16-2005, 09:21 PM   #4
Joncas2
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I used three per side with a WRX crossmember. Washers can vary in thickness depending on where you purchase them. Look them over carefully and choose the best combo to fill the gap.
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Old 07-17-2005, 06:03 PM   #5
legacy2003
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okay, so i bought some 12mm x 2mm washers. i have a bunch of them. will this work?

-mike
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Old 07-17-2005, 10:09 PM   #6
subiedreamin
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yea that should work, i wond up using 2 washers, but i bought 4 for each side just to have enough
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Old 08-16-2005, 10:05 AM   #7
psyber_0ptix
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i'll trade you a wrx crossmember for my legacy turbo cross member no shimming required...

edit: woops, a little late
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Old 08-29-2005, 02:54 AM   #8
99subi
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^ is that true no shimming reqiured with the legacy x member?
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Old 08-29-2005, 08:53 AM   #9
garface
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Quote:
Originally Posted by 99subi
^ is that true no shimming reqiured with the legacy x member?
This is true. You can also use a GC turbo xmember without shimming.
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Old 08-29-2005, 09:31 AM   #10
psyber_0ptix
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the 02+ crossmember accepts a 61mm bushing. the gc arms are 55, so you must effectively shim 3mm on each side of the bushing for correct fitment.
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Old 08-29-2005, 10:01 AM   #11
xcntrk75
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Make sure you get a quality stainless steel washers, something durable which won’t rust…
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Old 08-29-2005, 01:08 PM   #12
Legacy777
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Quote:
Originally Posted by xcntrk75
Make sure you get a quality stainless steel washers, something durable which won’t rust…
More importantly, you need hardened SS washers.

Depending on the grade, SS is typically softer then normal steel. There shouldn't be excessive amounts of load on those washers, but if I were doing it, I'd definitely get hardened washers.
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