The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - 1972 K20 Super Cheyenne

notchbackgta · 12-04-2015, 06:20 PM

The GM NV4500 uses a 10 spline input, I just used the same one that was on the tired old 307 on the back of the BBC. It is a little weak for the BBC and it slips a little if I really get on it

12-04-2015, 06:20 PM	#10
notchbackgta Registered User Join Date: Dec 2011 Location: Earth, NJ Posts: 479	Re: 1972 K20 Super Cheyenne - Modernized Classic The GM NV4500 uses a 10 spline input, I just used the same one that was on the tired old 307 on the back of the BBC. It is a little weak for the BBC and it slips a little if I really get on it