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**Bob B.** · 07-22-2006, 04:29 AM

That would make the swap more complicated. The motor mount towers are completely different that the V-8 or straight 6 towers. The V-6 with a manual transmission has rear mounts on the bell housing. You will need to remove the crossmember under the bell housing and add a crossmember farther back with a transmission mount. But, you shouldn't have any clearance issues. That V-6 is a lot larger (and heavier!) that a small block Chevy. It can be done if you have all the parts. Those V-6's are really quite some engine. Hate to see one replaced with a 350!

07-22-2006, 04:29 AM	#10
Bob B. Senior Member Join Date: Aug 2005 Location: Los Angeles Posts: 1,395	Re: 1969 chevy to 1965 gmc swap That would make the swap more complicated. The motor mount towers are completely different that the V-8 or straight 6 towers. The V-6 with a manual transmission has rear mounts on the bell housing. You will need to remove the crossmember under the bell housing and add a crossmember farther back with a transmission mount. But, you shouldn't have any clearance issues. That V-6 is a lot larger (and heavier!) that a small block Chevy. It can be done if you have all the parts. Those V-6's are really quite some engine. Hate to see one replaced with a 350! __________________ 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.