Quote:
Originally Posted by nlped
I’ve got to decide if I want to spend the $ to build the wider ‘70-1/2 up rearend or use the current narrow rearend. That’ll make me decide on the trans I’ll use. The th400 out of the camper is a beast, but I also happen to have a built 700r4. I have some time to make that decision though.
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I'll ask... what are your plans for wheels, and for driving type? Are you going custom wheels or stock steel wheels (rally's or hubcaps)? If you're going custom, say anything above a 16" wheel, you'll probably want to run the narrower rear, just to get a little bit more lip on the back wheels.
As for the trans, if you plan on doing much highway driving, I'd recommend the 700R4 over the th400. Your engine will thank you with the lower cruise RPM. Plus, you can go with a higher numerical rear end ratio and the overdrive would help make that cruise speed more engine friendly. Otherwise, if you plan on racing Walt, stick with the th400, but you'll need to build it up.