1985.5 Porsche 944 head pressure relief valve questions.
04-17-2012 | 07:33 PM
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From: Kentucky
1985.5 Porsche 944 head pressure relief valve questions.
Im using a, what i believe is a, 1985.5 944 head (stamped 85) on my 84 944. I noticed one small difference in the addition of a small pressure relief valve on the 85.5 head that my 84s' head doesnt have. Do i need the pressure relief valve with a 84 cam tower?
