1997 318: What are the Factory Compression PSI #'s
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1997 318: What are the Factory Compression PSI #'s
1997 318 222,322k
My compression #'s
Back of Block
125 120
130 135
134 140
130 130
Front of Block
Are these reasonable psi#'s
What was the psi from the factory?
My compression #'s
Back of Block
125 120
130 135
134 140
130 130
Front of Block
Are these reasonable psi#'s
What was the psi from the factory?
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Joined: Apr 2010
Posts: 87,478
Likes: 4,223
From: Clayton MI
Bit of a wide spread, but, still mostly 'acceptable'. Most OEM's don't want more than a 10% spread from highest to lowest. You are a bit more than that. Might not hurt do do a wet test as well, or leakdown test, to see where your compression is going. Not sure there actually IS a stock spec for compression.....