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Old 12-27-2023, 01:25 AM   #6
Bob B.
Senior Member
 
Join Date: Aug 2005
Location: Los Angeles
Posts: 1,309
Re: 1964-66 C40 454 Swap? School me please.

The V-6 has a unique bolt pattern not shared with anything. V-6's in pickups with automatic transmissions have an adapter that mates the V-6 to Chevy-pattern automatic transmissions.
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1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90.
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