M series spark plugs

1950 - 1952, M38, questions, discussions, regarding anything related to the M38.
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James L
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M series spark plugs

Post by James L » Sun Nov 03, 2019 3:18 pm

Can someone tell me what the thread size and threads per inch is on the m series spark plug wire end of the plug is. Not the end that goes into the motor. Thanks. Jim

dpcd67
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Re: M series spark plugs

Post by dpcd67 » Sun Nov 10, 2019 3:01 pm

.625x24 which is 5/8ths
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James L
G-Command Sergeant Major
G-Command Sergeant Major
Posts: 224
Joined: Fri Sep 05, 2008 2:39 pm

Re: M series spark plugs

Post by James L » Mon Nov 11, 2019 5:42 pm

Thank you very much. Jim

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