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HybridZ

Low compression, using oil, please advise


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I had decided to maybe sell my Z but in the process of that I noticed it was consuming some oil so know I must fix. The engine is freshly rebuilt, maybe 4000 miles on it tops. I pulled my plugs last night and most were wet. I did a compression check and get anywhere from 155 to 128, most being in the 135 range. On any low cylinder I can add a squirt of oil and the compression jumps up to 155. What went wrong? Did my machine shop do a bad hone job? I plan to go see them today and would like some theories on why I have this problem.

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