The Stovebolt Site Forums The Shop Area The HiPo Shop 350 V8 and TH375 in a 63?

Ok, so this is my first venture into "classic" vehicles, so please bear with me. I just picked up a 1963 Chevy truck. It is a long bed stepside. Now, it has no motor, but does have a 4 speed manual on the floor.

Here is my plan:

Drop a hot 350 V8 in it, and mate it to a TH375 (inside it is a 400, but it has the output shafts of a 350).

What forseeable problems am I going to have? Any issues with this tranny mated with the stock rear end?
Any help would be great. Thank you all so much, I plan on using this site as a reference for this project.

Shouldn't be any problems with that conbination of parts. Your wil most likely need new motor mounts and a transmission mount, different driveshaft yoke or whole driveshaft, and better cooling system. You should think real hard about the brake system. You need to stop safely with the extra power you are adding. Plan on a dual mastercylinder at least if it doesn't have one now. Floor shifter or late model column shift? How is the rear axle geared? Sure a lot to think about, Joe.

No problem with that combo,except for a few details.Use 1967-72 front engine mount brackets,they go in the front set of holes in the frame.Get a trans rear x-member,even a later one will work with a little drilling.Cut the rivets and remove the rear engine x-member from the frame,you will not need it,and it will be in the way,they did away with them in 1971 anyway.The parking brake x-member in some of those older chassis winds up in the way also,so you will most likely set up the park brake cable equalizer like the 1967-72.Run disc brake spindles,rotors,linkage off of a later truck[70's-80's],ball joints go right into the earlier control arms.Dual master cylinder is a must,upgrade the cooling,and you might as well get a power steering conversion bracket from Rez or Chevy Duty and change that over too.