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-   -   98 TJ 2.5 swap with 4.0 (http://www.wranglerforum.com/f282/98-tj-2-5-swap-with-4-0-a-152227.html)

jeepman_justin 04-08-2012 10:42 PM

98 TJ 2.5 swap with 4.0
 
I have a 98 TJ with a 2.5L 4-cylinder on a 5 speed manual transmission... I want to do a 4.0 swap from a 98 jeep Cherokee. What i want to know is will that 4.0 bolt up to my 5 speed transmission??? help on this is much appreciated:banghead:

anthonytj97 04-09-2012 12:40 AM

i have a 97 and im doing the same swap.... but in reguards to your question i dont think so ,the 98 manual is a ax5 ( 21 spline) and the cherokee 4.0 is an ax15( 23 spline) but i could be wrong

Curro 04-09-2012 12:47 AM

Quote:

Originally Posted by jeepman_justin (Post 2235122)
I have a 98 TJ with a 2.5L 4-cylinder on a 5 speed manual transmission... I want to do a 4.0 swap from a 98 jeep Cherokee. What i want to know is will that 4.0 bolt up to my 5 speed transmission??? help on this is much appreciated:banghead:

In a bit over your head it seems :p. You will need more than just the motor to do the swap. No the ax5 will not bolt up to the 4.0. Your best bet is to find a donor TJ. You will need the complete drive-tran from the motor to the rear drive shaft and possibly the front one as well but cant remember. You will also need the engine wiring harness, ECM, fan shroud, radiator hoses, airbox, exhaust from manifold to muffler, passenger side motor mount from the 4.0 jeep? Probably left a few thing out but its def more involved than just grabbing a 4.0 motor from a cherokee. Not worth doing the 4.0 swap IMO unless you get a complete donor for cheap.

jeepman_justin 04-15-2012 07:59 PM

Thanks I not going to waste my time and money on that..... I will have to find another 2.5 from a tj..

DJeepMyers 04-27-2012 03:44 PM

How soon do you need the motor? I am doing the entire 2.5 to 4.0 swap. I have my new 4.0 and in need of money for the misc expenses. I have the 2.5 that is currently in my jeep with 169k miles still in the jeep that's up for sale simply because I don't need it. I also have another 2.5 from a 93 with 124k miles on it. It's totally torn apart in preparation for rebuild but I decided to swap in the 4.0 message me if either interest you. Email is djeepmyers@me.com I am located in southern nh


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