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Thread: 720 motor

  1. #1

    720 motor

    I comp tested both cyl and there both 135psi. Does anyone know what stock was and if this is still good? It starts and runs fine no knocks and they both pass leak down testing


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    Quote Originally Posted by amdeus View Post
    I comp tested both cyl and there both 135psi. Does anyone know what stock was and if this is still good? It starts and runs fine no knocks and they both pass leak down testing
    150/155 is normal,your compression gauge is probably reading low,as long as both clys are equal you are fine.

  3. #3
    ah ok cool just wanting to make sure.

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