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DDDD DDDD is offline
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Join Date: Jan 2007
Posts: 1,077
I know that the 1976 930 heads are made out of better material, aluminum, I believe. So people like to bore those out.

I am not sure about the 1978 and up.

I think that it may make no difference whatsoever to you and you should just use the most convenient/cost effective solution. But I believe that the turbos are know for having more heavy duty heads.

A lot of the time, 3.2 heads are already sized correct for the upgrade, hence their advantage.
Old 07-24-2008, 06:21 PM
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