CJ5 Manual Tranny Questions - JeepForum.com
 
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post #1 of 7 Old 07-22-2008, 06:32 AM Thread Starter
CJ5Freak
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CJ5 Manual Tranny Questions

I just picked up my first CJ5 a few days ago. From what I was told it was a 1975. I get it home and my father was looking at the tranny and tranfer levers and mentioned that they looked like the new style. By the way its a 4 speed. So I got some tune up parts for a 75 and they werent correct. So I did some research and found that its a T176. So I got some parts for a 81 and they were correct. So the drivetrain is from a 81-86 or 81-84 im not sure. But anyways, I went out playing yesterday and the tranny got jammed up twice. So I take the cover off to find a chew up syncro and a gear that has seen better days. So the question is is there an older vintage tranny that I can use that will fit the Dana 300 I have? I would like to have a lower 1st gear if I could, and would like to keep the 300. Thanks alot

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post #2 of 7 Old 07-22-2008, 07:00 AM
certifiablejeep
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I think the problem you face is the wheel base. A lot of trannies will fit witht he D300, but the overall length of them will then ultimately shorten the driveshaft length and possibly make the angles not so good.

The T176 is a good tranny, a T18 conversion could possibly work, but again, length and type of rear driveshaft and lift all factor in. The D300 never came with that vehicle in 75, so, it is all a bit of measuring to see what fits for what you want to do with it.

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post #3 of 7 Old 07-22-2008, 07:29 AM Thread Starter
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Hmm sooo will an older tranny and a 20 transfer bolt up to the newer 258? If that could what would be my options at that point?
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post #4 of 7 Old 07-22-2008, 05:44 PM
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What about rebuilding the T176 and doing a 4 to 1 kit in the D300? You could pick up the rebuild kit for about $200-$300 and a 4 to 1 kit for about $600. That would give you a nice street tranny with a decent crawl ratio offroad.

I think the T18/D300 combo is short enough to use in a CJ5 but you'd be looking at a $500 adapter, having to buy a T18 and having to modify front/rear driveshaft lengths.

You could run the Jeep T18/D20 setup behind your 258 but again, you'd have to modify driveshafts, modify/swap out tranny skids and find a T18/D20 for a decent price.. in decent shape.

The T176/D300 setup is really pretty good.

'80 CJ5 w/AMC360, T176, D44 w/Detroit 4.56, RE 4" YJ lift and 35s..



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post #5 of 7 Old 07-22-2008, 05:51 PM
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Hey CJ5freak, have you run your VIN number through one of the online decoders to figure out what you really have? Just in case what you were told was a 1975, is indeed a 75. http://www.cjoffroad.com/writeup.asp?WU_ID=13&noAdd=1

Ok just saw in your profile its a 75 with an 81 T176 trannie and TC.


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post #6 of 7 Old 07-22-2008, 11:22 PM
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I hate to ask this question, but, is it really a 75 at all? Should have a large early style steering wheel with small diameter tube, external turn signal regulator, C channel frame, and external wiper motor. Might post some picts.
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post #7 of 7 Old 07-23-2008, 02:21 PM Thread Starter
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It has an aftermarket steering wheel, it has an external wiper motor right above the steering wheel, as far as the column havent noticed really how big or small the diameter is. Hmm I appreciate all the help you guys. New to the CJs although ive wanted one all my life.

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