The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - G/V overdrive and 700R4 vs. TCI 6 speed auto

toms84ss · 10-17-2009, 12:08 PM

What rear gear are you planning on running with the double OD set up? You'll need something fairly steep to pull that kind of ratio. A t56 6 speed tranny will have about the same final drive and cost you less money to put together.

10-17-2009, 12:08 PM	#4
toms84ss Registered User Join Date: Nov 2006 Location: Arizona Posts: 121	Re: G/V overdrive and 700R4 vs. TCI 6 speed auto What rear gear are you planning on running with the double OD set up? You'll need something fairly steep to pull that kind of ratio. A t56 6 speed tranny will have about the same final drive and cost you less money to put together.