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Cylinder compression

Discussion in '1992-Present Chevy & GMC models' started by justinf, Aug 23, 2005.

  1. justinf

    justinf 1/2 ton status

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    What should the compression be in the cylinder of a 98 vortec 350? I am going to check compression tonight and just thought I'd get an idea of what it should be ahead of time.

    Thanks
     
  2. sweetk30

    sweetk30 professional hooker Premium Member

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    write down # and no more than 10-15 lbs diffrence in all . or it will run crappy. i would say 150 range.
     
  3. justinf

    justinf 1/2 ton status

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    Thanks,
    I only checked 4 of the 8 cylinders last night as it was getting dark, but the four I checked were all right at 180.
     
  4. sweetk30

    sweetk30 professional hooker Premium Member

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    sounds great so far.
     

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