351m dead hole
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Joined: Jan 2004
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From: NW Kans
351m dead hole
i did a compression test yesterday on a stock original 351m. numbers were 95 to 125 (which i assume is normal wear), except cylinder #8 wouldnt even read on the gauge (starts at 25). Guessing it had maybe 5-10 psi because it did have some pressure when i released it. Is this a common problem on these motors or do i need to just look for basic mechanical issues? i did not do a leakage test to locate the problem or pull the motor apart to look. The engine will be rebuilt anyway i was just curious. i know it could be burnt or stuck valves, hole in piston, or even broken rod. i just wondered if anybody else has seen this what it might be. thanks
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