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pwrunt3pte

09-19-2010 04:25 PM

chevy 454 had bad head gasket, now no compression

had a bad head gasket on chevy 454 generation IV model. replaced it with a mls gasket and had the heads resurfaced and pressure tested. after putting everything back together, now the engine has 0 compression on all 8 cylinders. i adjusted the valve lash twice. what would cause this?

Number 9

09-19-2010 04:45 PM

Re: chevy 454 had bad head gasket, now no compression

Quote:

Originally Posted by pwrunt3pte (Post 4199115)

Timing gears out of time.

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