compression test

  1. popstar

    head gasket trouble?

    Hello everyone, Long time lurker, first time poster. This forum is an invaluable tool in my quest for maintenance and performance upgrades. Back into mustangs after a 10 year break. Previously had a 1997 4.6 2V. My new to me 1997 Cobra was "tracked by an old man” according to the broker I...
    • popstar
    • Thread
    • 1997 cobra compression compression test cooling head cooling head gasket sn95 sn95 cobra svt mustang
    • Replies: 11
    • Forum: SN95 Cobras
  2. N

    Compression Test results / What are REALLY acceptable differences?

    I just had a compression test done and the results were: Left side front to back: 165 170 170 150 Right side front to back: 175 155 170 175 Are these acceptable numbers? The mechanic who performed the compression test said everything was good and that there's nothing to worry about, but doing...

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