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

gilby246 · 03-23-2005, 03:12 PM

60-66 nut

I already have the th350 bolted to the caddy using the adpater plate for the bolt pattern. This tranny has very imited time behind this motor.

There is a th400 out of 80 chevy 2wd truck with a short shaft that I can pick up cheep. A th400 can handle these engine so I would like to put one in asap. I dont want a cad th400 cause the shifting is allot smoother in those due cadillac trying to make a smoother ride.

I have never had the pleasure of swapping one style tranny for another so im working with limited knowledge on this part.
I know its possible (anything is), just was wondering what will need to be done to make it happen and the easiest way to do it

03-23-2005, 03:12 PM	#3
gilby246 Registered User Join Date: Mar 2005 Location: seattle Posts: 24	60-66 nut I already have the th350 bolted to the caddy using the adpater plate for the bolt pattern. This tranny has very imited time behind this motor. There is a th400 out of 80 chevy 2wd truck with a short shaft that I can pick up cheep. A th400 can handle these engine so I would like to put one in asap. I dont want a cad th400 cause the shifting is allot smoother in those due cadillac trying to make a smoother ride. I have never had the pleasure of swapping one style tranny for another so im working with limited knowledge on this part. I know its possible (anything is), just was wondering what will need to be done to make it happen and the easiest way to do it



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