Thread: 1979 930 - Wow
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jurhip jurhip is offline
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Join Date: Jul 2002
Location: SoCal
Posts: 643
As I am in the market for a 930 and do NOT want to rebuild the engine until I rack up some miles, can someone tell me what is actually happening to these engines that require a rebuild under 100-150K miles.

What is the actual failure mechanism? Symptoms? Who is diagnosing the "bad engine?" Are these engines that have been tuned to higher HP levels?

The only thing I can think of that could go bad, beside a leaking cylinder/gaskets, is the valve train (guides and seats) and rings. Besides that, isn't the engine mainly hard parts and bearings. Bearings really shouldn't go bad under 100K unless something really went wrong during ownership.

If full engine rebuilds are really required under 100-150K, I may return to looking for a g50 3.2 and ask myself what the engineers on the Turbo project were thinking.
Old 03-12-2008, 06:11 PM
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