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#1
02-12-2010, 09:42 PM
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Re: 3.0L merc efi
Evan,
I have to pull my powerhead as well as it seems the base gasket failed. Salt is hell and that area doesn`t get flushed. What worries me is 0 compression. This means the piston is not moving. Maybe the rod broke into more than 3 pieces. Maybe not. Machine cost is determined by what is found, and your goals. Cheers, GFS 
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#2
02-12-2010, 09:58 PM
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Re: 3.0L merc efi
the pistons moves sandy. i turned the flywheel to see all the cylinders and to check that the piston moves
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#3
02-12-2010, 09:59 PM
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Re: 3.0L merc efi
If your piston is moving why are you getting 0 comp?
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#4
02-12-2010, 10:08 PM
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Re: 3.0L merc efi
im guessing because the cylinder wall is scored so badly. you cant see in the pics but that piston is destroyed. it seems to have a flat spot on it. thats why i think it was an oil injection failure. plus i know the previous owner started it with no water. i dont know how long he ran it for or anything.
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#5
02-12-2010, 10:11 PM
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Re: 3.0L merc efi
Even if it is scored badly you would see some compression.
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