TH400 swap - The 1947 - Present Chevrolet & GMC Truck Message Board Network

gilby246 · 03-23-2005, 01:43 PM

Sorry if this question has been beat to death. I did a search but didnt find what i need or just didnt put in the correct search words

Anyway
I have a 79 gmc 1/2 ton with a TH350,one peice drive shaft, with a caddy 500. I plan on swapping this to a TH400 but (if i remember right) i think the th400 is a bit longer than the th350 I think I will also need to go with a two piece drive shaft rather than my one peice for the 400??.
If I go with a th400 and a two peice shaft will this bolt right up??

03-23-2005, 01:43 PM	#1
gilby246 Registered User Join Date: Mar 2005 Location: seattle Posts: 24	TH400 swap Sorry if this question has been beat to death. I did a search but didnt find what i need or just didnt put in the correct search words Anyway I have a 79 gmc 1/2 ton with a TH350,one peice drive shaft, with a caddy 500. I plan on swapping this to a TH400 but (if i remember right) i think the th400 is a bit longer than the th350 I think I will also need to go with a two piece drive shaft rather than my one peice for the 400??. If I go with a th400 and a two peice shaft will this bolt right up??

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