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Old 09-25-2012, 06:58 PM   #1
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Can I swap 30RH with AX5?

I have a 1997 TJ 2.5L automatic and I imagine I could get more out of it on the road with a manual, which I believe would be the AX5. Could you guys let me know if I'm wrong and/or what I would need to do it myself?

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Old 09-25-2012, 07:08 PM   #2
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I have a 1997 TJ 2.5L automatic and I imagine I could get more out of it on the road with a manual, which I believe would be the AX5. Could you guys let me know if I'm wrong and/or what I would need to do it myself?
When you say "get more out of it," do you mean off road, towing or commuter use?

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Old 09-25-2012, 07:11 PM   #3
Knows a couple things...

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Yes it's possible but that'd be a pretty good job with lots of misc. parts needed to make it work. I went the other way, 5-speed to automatic, and there are a lot of pieces that make up either type of transmission choice. The wiring is already there but you'll need to replace your engine computer for one programmed for the 5-speed or you'll get a check engine light.
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Old 09-25-2012, 07:21 PM   #4
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I have a '97 automatic TJ too. It's a 4 cyl but it's bone stock. I've taken it off road in some decently tough conditions (going up a steep mountain, pouring rain, almost no trail left, plenty of big rocks) and it did fine.

Do I wish I had a manual?...well sure. Do I think it's worth the money to convert?...not so sure.

If you have the time and money to modify, go for it! But I've found that I don't lack too much control compared to my friend's '05 manual TJ. I also think that there's a lot of other modifications that are more beneficial whether it's a DD jeep or its meant to be an off roading hoss.
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Old 09-26-2012, 03:30 AM   #5
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I'm looking to improve it in a way for commuter driving, for now... Right now it doesn't seem so expensive. I'd only need the transmission with the shifter, new computer, and new output shaft right?
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Old 09-26-2012, 06:27 AM   #6
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Or... This is a bit of a big one and I'm pretty young and need a little advice on how to do it but... I have only had my jeep for about three and a half weeks or so, bought from a dealership used... I'm now a bit more educated on jeeps. I have a loan out on my jeep. Could I sell the jeep, pay off the loan, get another loan to buy a jeep that fits me better ie. a six cylinder? I haven't even gotten the current registration in the mail or a pink slip, should I wait to get that stuff to make it a more smooth transaction, I already have someone interested in buying my jeep. Help?
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Old 09-26-2012, 06:32 AM   #7
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U bought it now Ur selling ? R u gonna make a profit?
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Old 09-26-2012, 06:37 AM   #8
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If its sells at my asking price, I will make a little profit, but that's not my concern. My concern is strictly getting a jeep much closer to my needs now! Which would be, in acceptable highway condition. I imagine that being with an I6.
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Old 09-26-2012, 07:47 AM   #9
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One other thing to consider if you want to do this is your axle gearing. The 30RH doesn't have OD so it needs higher axle gearing to keep engine RPM from getting too high when on the highway. Automatics also get a torque multiplication effect from the torque converter that's greatest when the engine is spinning much faster than the transmission (such as when starting from a stop) so they don't need to be geared as low as a manual.

You might see 3.07 or 3.21 on an automatic while the same Jeep except with a manual has 3.73 or even 4.10
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Old 09-26-2012, 09:07 AM   #10
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I have stock 3.73 in it, I bought everything to do a 4.88 swap. With that... I'm getting code P0740- Torque converter circuit malfunction... Just curious, would overfilled fluid cause this? I've also been experiencing abnormal shifting... Kicking down from third to second is like going into neutral, recently than all shifting from first to second has a delay, and sometimes coming from a stop, I'll start off still in third, never downshifting as I slow. Anyone have an idea about that?
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Old 09-26-2012, 09:52 AM   #11
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I have a 1998 2.5 Manual that I am looking to switch to automatic. Perhaps we can get together and swap all out componentsyou can take my shaft tranny transfer case ect and I can take yourswe can swap shifters boots consoles whatever goes along with it. hit me up let me know.
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Old 09-26-2012, 10:11 AM   #12
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Quote:
Originally Posted by James 97TJ
I have a 1998 2.5 Manual that I am looking to switch to automatic. Perhaps we can get together and swap all out componentsyou can take my shaft tranny transfer case ect and I can take yourswe can swap shifters boots consoles whatever goes along with it. hit me up let me know.
Where are you?
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Old 09-26-2012, 11:05 AM   #13
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For commuter driving you might be better off with the auto, especially if there is any stop and go traffic.

Drive what you have for another few months before doing anything major.
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Old 09-26-2012, 11:06 AM   #14
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I am on the opposite coast in NY. Can ship it via uship or bulk carrier whatever. one flat would be enough for the lot and it would take what 5-7 days?

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