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  • Chevy
    • May 2009
    • 3

    #1

    hi new here

    i have a 2.8L engine i rebuilt everything from bottom up except the valves. i have literaly no compression i was wondering what makes an engine have no compression
  • 1988GTU
    LB62LHObbqftmfw
    • Nov 2005
    • 2475

    #2
    Timing off, incorrect bore clearances.
    Lifting my front wheels, one jack at a time.

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    • Chevy
      • May 2009
      • 3

      #3
      incorrect bore clearances any info what that means?
      i timed the crank to cams correctly and adjusted the valves the way chilton and autozone told me to adjust it. i adjusted the valves with the #1 tdc

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      • 1988GTU
        LB62LHObbqftmfw
        • Nov 2005
        • 2475

        #4
        What vehicle are we dealing with? IBC will cause blow by. Do you have air coming out of the oil fill/check tube?
        Lifting my front wheels, one jack at a time.

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        • Chevy
          • May 2009
          • 3

          #5
          this is a 1989 chevy s10 TBI. i dont think air is coming out the oil fil or check tube
          this is exactly how my engine sounds. i bought new gaskets/headgaskets, camshaft, timing chain set, pistons, piston rings, dist cap and plug wires as well as spark plugs. im thinking its the valves because i used the same heads from my old engine that head a rod knock.
          Last edited by Chevy; 05-18-2009, 10:34 PM.

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