3B injection pump with HAC on a B engine

Rusto

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Sep 19, 2015
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Durango, CO
I'm looking to add a High Altitude Compensation unit to my '75 BJ40 that doesn't have one. Fellow mudder has a 3B injection pump with the HAC he's willing to part with.
I believe the IPs are interchangeable; some cursory research here is pointing me in that direction as well.

Can someone confirm that an IP from a BJ42 with a 3B will swap onto my BJ40s B? I'm looking for part numbers to confirm as well, but haven't been able to track those down yet.

Thanks,
Russ
 

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