help decoding my engine

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Old 02-15-2010, 07:42 PM
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help decoding my engine

i was wondering if some one could help me decode my engine block numbers. and tell me what each number means, and is the engine original.

the # on the engine block is HM318R 38981679

THE VIN # IS WH23G2G185917

THANKS FOR ANY HELP!!!

Last edited by THE GOOSE; 02-27-2010 at 03:23 PM.
Old 10-04-2013, 04:34 PM
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Hey i got an engine with pretty close to the same number
HM318R 36601945
Anybody????
Old 10-04-2013, 05:56 PM
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ok here goes.........
your number HM318R 38981679

h = year of engine 1972
m= the Mound Road plant
318 = 318 engine
R= regular gasoline
3898 = Day 3898 is Thursday, March 30, 1972 built on this day
to get this number they used a chrysler 10,000 day calender
http://maxwedge.com/articles/10k.php

and the last four numbers 1679 means it was the 1,679 engine built

hope that helps

you asked if the engine is original????? original to what????
Old 10-05-2013, 10:10 AM
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nailed it
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