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junkman · 04-13-2019, 01:29 PM

If you're keeping efi, you're really just saving the $30 for the mount plate adapters, the rest is going to be pretty much the same work for either combo (ls/vortec 350). As said above if going carb, you'll need a $5-600 trans controller. You could get you an efi fuel system, the wiring done and pcm programmed for pretty close to that to stay efi with the vortec 350

04-13-2019, 01:29 PM	#5
junkman Registered User Join Date: Jun 2007 Location: metropolis il Posts: 91	Re: 2001 Chevy van 3500 drivetrain swap. If you're keeping efi, you're really just saving the $30 for the mount plate adapters, the rest is going to be pretty much the same work for either combo (ls/vortec 350). As said above if going carb, you'll need a $5-600 trans controller. You could get you an efi fuel system, the wiring done and pcm programmed for pretty close to that to stay efi with the vortec 350