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ive had a piston compression test

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  • ive had a piston compression test

    all read

    160 160 160 160

    is that ok??

  • #2
    Looks about right to me.

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    • #3
      Originally posted by andrewt1971 View Post
      Looks about right to me.
      what are low readings for the pistons??

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      • #4
        If there was someone wrong I doubt you would not get the same figures for all the cylinders.

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        • #5
          same on all cylinders is fine. and anything around that is ok too.

          i tested mine as got 150 and also tested another one and got 150 aswell. seemed a bit low, was expecting 160+ but the other was the same i tested, dont know if anything to do with the gauge may have not been too accurate either.

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          • #6
            Originally posted by jwfcms View Post
            same on all cylinders is fine. and anything around that is ok too.

            i tested mine as got 150 and also tested another one and got 150 aswell. seemed a bit low, was expecting 160+ but the other was the same i tested, dont know if anything to do with the gauge may have not been too accurate either.
            so were 2 od yours 150 and others above??

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            • #7
              no. all four were 150s. and same as another vxr i tested aswell were 150. same sort of spec. showed same readings on the gauge, but i have two of these gauges and one is knackered but gives low readings.. you will know if theres a problem when you have 3 cylinders at 150 and 1 cylinder at 110. 160 is perfect.

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              • #8
                Originally posted by jwfcms View Post
                no. all four were 150s. and same as another vxr i tested aswell were 150. same sort of spec. showed same readings on the gauge, but i have two of these gauges and one is knackered but gives low readings.. you will know if theres a problem when you have 3 cylinders at 150 and 1 cylinder at 110. 160 is perfect.

                ar sound, so as long as there all in 150's 160's am fine.. do they all have to be the same reading?? ie piston 1 155 piston 2 158 piston 3 150 etc

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                • #9
                  they can be.

                  150, 151, 158, 155

                  that would be fine.

                  so would 160 160 160 159., 160 160 160 160, 160 160 161 162.

                  its when you have 155 155 100 90. there is a prolem. or 0 0 0 0 .

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                  • #10
                    Originally posted by jwfcms View Post
                    they can be.

                    150, 151, 158, 155

                    that would be fine.

                    so would 160 160 160 159., 160 160 160 160, 160 160 161 162.

                    its when you have 155 155 100 90. there is a prolem. or 0 0 0 0 .
                    great help mate thank u very much

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                    • #11
                      Originally posted by vxr kez View Post
                      great help mate thank u very much
                      Have you got an Astra and a Corsa then with the same issue ???
                      sigpic

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                      • #12
                        Originally posted by R15VXR View Post
                        Have you got an Astra and a Corsa then with the same issue ???
                        yeh i own 2 cars .. corsa and astra .. theres a problem with my corsa but astra sound

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                        • #13
                          Originally posted by vxr kez View Post
                          yeh i own 2 cars .. corsa and astra .. theres a problem with my corsa but astra sound
                          That makes sense now - lol
                          sigpic

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                          • #14
                            Originally posted by R15VXR View Post
                            That makes sense now - lol
                            lol wish i just had the astra on its own now haha ..

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                            • #15
                              Originally posted by vxr kez View Post
                              lol wish i just had the astra on its own now haha ..
                              Remember the major advantage of the LEH engine in the Astra is its pedigree - having alot learnt through the touring cars with 888 and the LEH became the improved/strengthened LET engine AFAIK
                              sigpic

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