Tranny Options - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 01-12-2004, 02:13 PM Thread Starter
 
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Tranny Options

I'm currently looking at three different 80's trucks and all of them come with the 350 or 400 turbo transmissions and 350 engines. I'm a little worried about extremely poor gas mileage and would like to know just what i would expect to get with these three speed tranny's? Also is it possible to swap in a 700r4, I know the 700 isn't as strong but if it is possible get a 87 or newer after they fixed the problems?
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post #2 of (permalink) Old 01-12-2004, 03:16 PM
 
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Re: Tranny Options

I think the swap to a 700R4 is pretty easy, but not sure. Someone who has done it will proabably post soon.
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post #3 of (permalink) Old 01-12-2004, 06:38 PM
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Re: Tranny Options

Yah, a 700 should pretty much bolt right up. I'd get the newest one I could find, to make sure all of the bugs were worked out.

Changing the tranny will probably affect the transfer case and the driveshaft lengths as well.
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post #4 of (permalink) Old 01-12-2004, 09:09 PM
 
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Re: Tranny Options

Yah, didn't think of tcase and driveshafts, just find a newer truck with the same bed/cab config, pull the tranny/tcase/dshafts, rebuild tranny/tcase, and install!

And if you mean "looking" as in looking ot buy, get a 3/4 ton or 1 ton and you'll be happy you did. Stronger everything that you won't be tempted to upgrade really soon....
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post #5 of (permalink) Old 01-13-2004, 07:13 PM Thread Starter
 
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Re: Tranny Options

What about the shifting selector? Can this be connected right? from 12D to 123D? Or is this not a problem?
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