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  1. #1
    Non-member Romil Davda's Avatar
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    Dec 2011
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    Compression test

    I did a compression test yesterday night, results:
    From flywheel, dry test
    1- 170psi
    2- 140psi
    3- 145psi
    4- 160psi

    Wet test
    1- 180psi
    2 -145psi
    3- 160psi
    4- 165psi

    Any cause for concern? As the middle 2 are a little lower than the outside 2!

  2. #2
    Committee, NW Regional Rep Alex's Avatar
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    Re: Compression test

    The middle 2 do seem a little low compared to the others but they're not LOW as such. If it's running well I wouldn't worry too much, get it to ND and give it hell!

  3. #3
    Super Administrator R5MJH's Avatar
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    Re: Compression test

    they should be around 145 mate mines are all that after rebuild is the head ok not been over skimmed as mikes old engine had 170/180 and it kept blowing hg due to over skimmed head boss

  4. #4
    Committee, NW Regional Rep Alex's Avatar
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    Re: Compression test

    Yours has a cam though so will be a little bit lower

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