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Old 08-02-2010, 01:22 AM
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i have just found that i have zero compression on my number four cylinder. its a bored and stroked 454. what are some of the possiblitys that it could be? vavles? piston? what would likely cause it to have no compression at all?
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Old 08-02-2010, 06:11 AM
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pull the head...only way to be sure...
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Old 08-02-2010, 09:01 AM
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Do a leakdown test on that cylinder ,good luck
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Old 08-02-2010, 09:18 AM
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See if you forgot to put the spark plug in. Just kidding. As RHR stated, do a leak down test and listen to where the air escapes from: intake, exhaust or (hopefully not) the block.
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Old 08-02-2010, 09:28 AM
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Default Fixx

loosen rockers and check compression again..
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