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    Head Torque ft lbs ????? A338715

    Well I finally got my head gasket replaced and tried to follow the book to the letter<br />Then discovered that my book has 2 different sections on inline engine’s <br />One section is on GM inline the other on Mercruiser inline <br />I guess the difference is the GM is all cast iron and the...
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    COMPRESSION TEST // HEAD GASKET???

    I did a compression test today and it doesn’t look good <br />Mercruiser 120<br />I followed the instructions to the letter and this is what I got<br />#1 140 <br />#2 70<br />#3 70<br />#4 140<br /> I put oil in #2 and re-tested and I got about 100 psi and it looked like oil mist was blowing...
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    Do I have Flapper?

    I know,silly question, i haven't seen anything in my book about it,just thought i'd ask<br />84 mercruiser 120 i/o<br />thanx
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    120 Merc I/O Only 4.8v @coil/missing mid RPM

    120 Merc I/O Only 4.8v @coil/missing mid RPM <br />it also wont go above say half throttle it starts to fall off/missing, until you get out of it a little it smells rich if you don’t –it’s missing bad I guess it’s going to smell rich <br /> is 4.8volts at the pos side of the coil normal ...
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    Hey my first post and long problem please

    Sorry, but im going to blow up my first post, i dont have my engine serial number but i can tell you this much<br /> 84 mecruiser 120 w/rochester 2bbl(1 adjustment screw 1+ turn out} rebuilt and re-jet dropped 2 sizes from stock(solid float needle not spring loaded}<br />choke set 1 notch...
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