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WERK I WERK I is offline
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Join Date: Jan 2003
Location: Wisconsin
Posts: 3,290
Garage
I don't know what those two chamfered outer rim holes are for. The sump pump drive pin actually uses the allen head bolts to drive the pump. That is the same allen bolts that mount the extension to the cam. Note: you have to use hardened allen bolts to mount the extension, otherwise they heads will snap or collapse.
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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
Old 11-14-2008, 08:21 AM
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