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Registered
Join Date: Dec 2002
Location: Ft. Worth ,TX
Posts: 180
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Rod bolt size
What is the 1978 3.3 turbo, rod bolt diameter, 10mm or 9mm, Wayne's book calls out 10mm (doesn't specify turbo)and the Porsche turbo manual calls out 10mm. However, ARP shows 9mm?
TIA KM |
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02-23-2005, 10:36 AM
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Forced Induction Junkie
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Same as the 3.2 Carerra - 9mm.
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Dave '85 930 Factory Special Wishes Flachbau Werk I Zuffenhausen 3.3l/330BHP Engine with Sonderwunsch Cams, FabSpeed Headers, Kokeln IC, Twin Plugged Electromotive Crankfire, Tial Wastegate(0.8 Bar), K27 Hybrid Turbo, Ruf Twin-tip Muffler, Fikse FM-5's 8&10x17, 8:41 R&P |
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02-23-2005, 11:29 AM
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Join Date: Dec 2002
Location: Ft. Worth ,TX
Posts: 180
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Thanks Dave
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02-23-2005, 01:01 PM
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Join Date: Mar 2004
Location: City of Seattle, WA
Posts: 3,374
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3.0 turbo is 10mm I believe, and 3.3 is 9mm as Dave said
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Andy |
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02-23-2005, 01:08 PM
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I too just recently had the same dilema, I first bought ARP 10mm bolts only to find out that I needed 9mm for my 3.2L Carrera rebuild project. ARP was not sure which one I needed so they suggested engine teardown and measuring. Wayne's book is correct, in 1984 on 3.2l engines Porsche went back to the 9mm rod bolt. Good luck.
Alex
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Its easier asking dumb questions than fixing dumb mistakes 1974 Porsche 911 Coupe, RSR Project 1976 Porsche 911 Targa, Black 1986 Porsche 911 Carrera, Black 2006 Porsche Cayenne S, Black |
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02-23-2005, 11:03 PM
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1985 Porsche 930 Fac. Slantnose 3.3l
