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400ex 426ex

  1. Engine/EFI/Drivetrain
    Hi everyone, my second post here. I got a freshly rebuilt engine bored to 426, every thing is lined up perfecly, the timing is good, the valve lash is perfect. When i try and turn it with a ratchet and everything addembled (sparkplug on too), i got no compression, its super easy to turn the...
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