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Willys M Jeeps Forums


willysmjeeps.com :: View topic - Engine Tag ??
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Engine Tag ??

 
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hillbilly21
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Joined: Aug 26, 2005
Posts: 510
Location: North Carolina

PostPosted: Wed Jul 04, 2007 1:07 pm    Post subject: Engine Tag ?? Reply with quote

Can anybody tell me what this is and why is on my M38 engine ??

I am looking for someone to decifer it for me before I pull the engine..

It is located on my photobucket..It is the site for 19?? M38 # 6477


http://jeepsofold.myphotoalbum.com
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gamillerman
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Joined: Apr 21, 2006
Posts: 122
Location: Eden, Georgia

PostPosted: Wed Jul 04, 2007 8:55 pm    Post subject: Reply with quote

Looks like a rebuild tag. Its in the same place as another M38 I once owned. Although it doesnt look quite the same (perhaps paint is covering up some of the nomenclature) as I recall mine did. The one I had listed the rebuilding arsenal; and the reworked sizes of the bore, main bering journals, and rod berings, and the date of the rebuild. One thing to note also; although the engine had a military rebuild; the serial on the front of the block had no R in front of the MCXXXX serial number.
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Cacti_Ken
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Joined: Apr 20, 2005
Posts: 1021
Location: Silsbee, Texas

PostPosted: Wed Jul 04, 2007 9:29 pm    Post subject: Reply with quote

Mine was also like yours millerman. Remanufactures tag but no R in motor number.
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wesk
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Joined: Apr 04, 2005
Posts: 16256
Location: Wisconsin

PostPosted: Thu Jul 05, 2007 6:32 am    Post subject: Reply with quote

Thr "R" in the RMCXXXXX represents a factory new replacement engine from Willys. It has nothing to do with an engine rebuild in the field.
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45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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Cacti_Ken
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PostPosted: Thu Jul 05, 2007 10:22 am    Post subject: Reply with quote

Now that clears it up. thanks.
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hillbilly21
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Joined: Aug 26, 2005
Posts: 510
Location: North Carolina

PostPosted: Thu Jul 05, 2007 5:31 pm    Post subject: tag Reply with quote

I pulled the head today and sure enough it has been re-built..by the way it looks it wasnt run long I took a rag an wiped the soot of the pistons and it has .40 pistons in it...no biggie..I am going to have a guy who rebuilds engines for a living take a loooksy at it and go from there,,thanks for the info guys..
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