engine block sn

1952 - 1968, M38A1, M170, questions, discussions, regarding anything related to the M38a1 series.
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chesty
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engine block sn

Post by chesty » Sat May 05, 2018 3:12 pm

I am looking for any info on 1952 m38a1 engine block number 4j270071 Is this number possibly the original engine or is it from a cj? A lot has been changed on this jeep ie fenders, 12 volt starter, tail lights, muffler etc
SGT USMC 1967
1952 M38A1
1967 M416


JMZ421
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Re: engine block sn

Post by JMZ421 » Sat May 05, 2018 4:40 pm

M38A1 engine from factory left with "MD" then serial number. RMD serial numbered engine were Willys replacement military engines. John

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