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remist17 · 05-23-2012, 02:47 PM

I just completed a 87 V6 to a 383. I also have the 400 trans option.

The motor mounts can be a pain in the butt. The V6 will not work on the V8 model. Also note that just any V8 motor mount bracket will not work on the truck or at least it didnt on mine.

If your going carb then the CPU is not needed, but since 87 was the first year to have teh 400 kick down in the computer a switch is needed. Bought it have not installed it yet.

05-23-2012, 02:47 PM	#4
remist17 Registered User Join Date: Jul 2009 Location: PA Posts: 406	Re: V/6 to V/8 I just completed a 87 V6 to a 383. I also have the 400 trans option. The motor mounts can be a pain in the butt. The V6 will not work on the V8 model. Also note that just any V8 motor mount bracket will not work on the truck or at least it didnt on mine. If your going carb then the CPU is not needed, but since 87 was the first year to have teh 400 kick down in the computer a switch is needed. Bought it have not installed it yet. __________________ 2013 Chevy Silverado, Z71, 5.3L, 4 door 2005 Chevy Silverado, Z71, 5.3L, 4 door, 3.40 Support the Troops.