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Tim Hancock Tim Hancock is offline
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Join Date: May 2004
Posts: 9,182
Safe, if you have machining equipment available you can install a bronze bushing in your old arm then ream to size.

If you install your screwed up arms on new shafts, You will probably eventually gall up your shafts. Best bet would be to install new style idler arms (which have bronze inserts).

When I redid mine (see my earlier referenced post), I had no discernable play in the shafts and bronze bushed arms. Just a perfect slip fit.

Obviously you need to have decent machining equipment to maintain squareness when boring/reaming idler arms. I am all for DIY type work, but if you do not have the proper equipment, it is not worth the risk to a relatively high value 911 engine.

Good luck!
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Old 03-31-2005, 04:09 AM
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