700R4 Driveshaft question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Dual quad · 04-27-2002, 02:23 PM

Boys - I’m getting close to installing a 700R4 in place off my 350TH. I’ve measured both transmissions and the 700 is about 3” longer. The existing driveshaft in the truck is a split with hanger bearing that I want to keep in case I want to change back to the 350 someday.

Should I just have a new single shaft made up for this application? Or should I find another primary shaft and have it shortened to work with the existing split setup?

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'72 SWB Cheyenne, L-31 Vortec 350, 350TH, COMP 260H Roller cam, Edelbrock RPM intake and 1405 carb, 3.73 posi diff.

04-27-2002, 02:23 PM	#1
Dual quad Smell that burnin' rubber Join Date: Sep 2000 Location: Ontario Posts: 171	700R4 Driveshaft question Boys - I’m getting close to installing a 700R4 in place off my 350TH. I’ve measured both transmissions and the 700 is about 3” longer. The existing driveshaft in the truck is a split with hanger bearing that I want to keep in case I want to change back to the 350 someday. Should I just have a new single shaft made up for this application? Or should I find another primary shaft and have it shortened to work with the existing split setup? ------------------ '72 SWB Cheyenne, L-31 Vortec 350, 350TH, COMP 260H Roller cam, Edelbrock RPM intake and 1405 carb, 3.73 posi diff.

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