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WERK I WERK I is offline
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Join Date: Jan 2003
Location: Wisconsin
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Originally Posted by spuggy View Post
Which does raise the question as to why, if there were so little difference, did the factory start using RR350 for all 993 heads? Given that it's so much more exotic, expensive to produce and requires special production controls?

And you know those guys would save money if they could use something cheaper.
I suspect it may have been for longevity purposes with the new emission standards coming out in that time period. Emissions were tightening up and with that, EGT's must have gone up quite a bit. They also produced ceramic coated exhaust ports to help save the heads.
'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 12-30-2007, 07:34 AM
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