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Join Date: Mar 2006
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930 Engine Rebuild

I recently did a complete overhaul of my 1980 911SC using Mr. Dempsey's book, and it worked out very well. I am now about to tackle a 1986 930 that has, at the very least some bent valves, and more than likely some piston/cylinder/case damage.
My question is, other than the turbo plumbing etc., are there enough similarities in the 3.3 Turbo motor that I could use the book again for this overhaul ?

Second, in the worst case scenario, if the crankcase is damaged, what cores would work in this motor?

Thanks

Steve

Old 03-17-2008, 10:48 AM
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Yes, they're virtually identical.

A 3.2 case may work, but I don't know for sure.
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2014 Cayman S
2011 Cayenne Turbo
1979 930 (475 rwhp at 0.95 bar)
Old 03-17-2008, 12:15 PM
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They're definately very similar - I'm running a 3.2 crank and rods. Only thing to watch out for there is that the 3.2 distributor goes in the opposite direction to the SC/3.3..

You may need to relieve the 3.2 case to clear the 930 oil pump (which is much larger). But people fit 930 and GT2/3 (larger still) pumps into earlier motors than the 3.2.

Pop over to the engine rebuilding forum, about a dozen people there can tell you off the top of their head precisely what's involved.
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Old 03-17-2008, 02:31 PM
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Thanks,

I'll go check the engine rebuilding forum for more info

Steve

Old 03-17-2008, 02:54 PM
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