Compression in PSi for 87 stock Phazer 480?

xskater2099

New member
Joined
Dec 29, 2010
Messages
4
Age
44
Location
mass
I have been trying to diagnosis a lack of power issue with my phazer and i am down to the rings, i check the compression, and it read on the gauge 100-110psi warm, i pull the head and the ring end gap is larger than the manual says for range, so i am going to replace them.

but my question is what is the compression suppose to be on these sleds with good rings?
 



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