Mercruiser outdrive compatability?

13crazyhorse

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I got a 1980 V8 outdrive with a hole in the top cover (assume MR1) and a 1986 V8 outdrive with a square top cover (assume Alpha 1). Neither outdrives have a serial number would they be interchangeable? Thanks.
 

Bondo

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Re: Mercruiser outdrive compatability?

I got a 1980 V8 outdrive with a hole in the top cover (assume MR1) and a 1986 V8 outdrive with a square top cover (assume Alpha 1). Neither outdrives have a serial number would they be interchangeable? Thanks.

Ayuh,.... You've got an MC-1, 'n an Alpha 1,.... ;)
The R, 'n the MR were in between yer's,....

Yes, they're interchangeable as complete drives, 'n the uppers, 'n lowers are Also interchangeable,...
 
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