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940 Cylinder Heads 900

posted by  someone claiming to be rjk2 on  Sun Jun 20 02:38 CST 2010 [RELATED]

So, with daughter's input, I have decided to go with replacing just the head on my '94 945T. Reason: she is planning on buying herself a new car (hybrid) within a year. So a complete rebuild of the engine doesn't make sense if it can be dealt with more economically.

So, I am going out to scrounge up a head. I've refreshed my knowledge of the 530 head by re-reading stealthfti's GREAT dissertation on the subject but I still have a few questions.

The turbo engine has lower compression than a N/A. Is this accomplished via different pistons or different combustion chamber volume? Short question is do I need a turbo-specific head or can I use any B230xx head and just install the correct turbo-specific valves & cam?

Any insight is appreciated.

Bob K

1994 945T (daughter's)
1988 244DL (fallow)
1986 242Ti (fallow)
1999 E320
1994 F150
1989 560 SL (wife's)
1968 GT500KR (under restoration)






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