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930gt-40r 930gt-40r is offline
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Join Date: Jan 2007
Location: Boca Raton, FL
Posts: 2,066
copbate- you could get 400 horse out of your motor with out breathing on it too hard with a low boost turbo setup- you may want to use a higher exhaust A/R in an attempt to keep the heat out of the combustion chamber. Also because you are high compression- the higher A/R wont kill you because you already make power N/A. Low boost/big volume I think is the key to not stressing the motor out- pressure usually finds the weakest point.

Herman maire- I believe that you can indeed use stock 993 heads (less exhaust valves maybe?) I would however check with a reputable Porsche machine shop. I also recomend machining for a ni-resist ring (I know there are head gaskets on these)
993 N/A head would be cool though- I think they have bigger ports/valves- but best of all they are already twin plug.
Kris @ Tech9
86' 930/GT-40R Sold
94' Rustang GT daily (long gone)
2008 C6/Z51 Corvette
Old 03-03-2008, 09:29 AM
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