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Anyone know nc s/n?

Serial # were issued to all motors, if they wanted a mark 3 they added m3 to the #,sc was added for scrambler, m1 added for mach 1. monzas & sebrings only had numbers no letters, 4 speed motors had no letters in the serial #.
I have a 1962 scr, and 1963 diana with just numbers, some one stated that if dm250 was on one side or the other it would tell you if it was 4 or 5 speed motor, I'm going to look back thru the posts and write down the that info on identifying 4 or 5 speed motors, Capt Paul
 

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anyone know n/c s/n

I checked 4 of my engines and 5 speed ones had dm 250 on left side, (Clutch side) Also I believe Elbert said dm250 on left side denotes 5 speed motor.
 
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