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"5" stamped onto the top surface of the engine block...

Home away from home

Hi everyone,

I pulled the head off of an engine that I purchased. It has a "5" stamped on the top surface of the engine block. It is between the number 8 cylinder and the back edge.

Should I assume that this means that the top surface has been milled .005 by someone? I don't think that the previous owner has had the engine rebuild. I pulled the rod and main bearings out and there is no undersize stamped on the backside. They actually have a stamping of FM 49. (Federal Mogul 1949 perhaps?)

Thanks,

Mark

Posted on: 2012/8/13 18:57

PackardV8

Re: "5" stamped onto the top surface of the engine block...

Home away from home

Mic the rod jounal of the crank. Don't depend on the shell markings.

Posted on: 2012/8/13 20:20

VAPOR LOCK demystified: See paragraph SEVEN of PMCC documentaion as listed in post #11 of the following thread:f
https://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?topic_id=7245

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