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Old 03-09-2012, 12:17 PM   #15
Brad Roberts
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Join Date: Aug 2004
Location: Alta Loma, CA
Posts: 1,334
He should sell his one good 3.4 head and install 3.2 heads. Same casting, same valves, small combustion chamber. I believe it is 1 point higher on compression (and all these engines read lower than Porsche published) from what I have found..



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