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Bad Compression Test!!!

This is a discussion on Bad Compression Test!!! within the Internal Engine forums, part of the LSx Technical Help Section category; I just had a compression test done on my 2001 Camaro Z28 with 79k on it because I had a ...

  1. #1
    Junior Member
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    2001 Camaro Z28

    Bad Compression Test!!!

    I just had a compression test done on my 2001 Camaro Z28 with 79k on it because I had a P305 and had replaced the plugs/wires/moved the coil and the fuel injector tested good. They are telling me the compression was only 85 when oil is added to the cylinder 25 on crankup. Has anyone had this happen, ideas on the cause....head, or bottom end?? Please help

  2. #2
    Junior Member sreve's Avatar
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    '02 B4C Camaro

    leak down check is next. i like to pull the rockers off the offending cyl and put house air on it.

  3. #3
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    2001 Camaro Z28

    Well, cylinder 5 is gone, time for a rebuild......sugestions....

  4. #4
    Junior Member sreve's Avatar
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    if it was me i'd hold off on any decisions until i had the head off and saw what was left.
    or leave it together and sell it.

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