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Old 03-15-2010, 05:46 PM   #1
Join Date: Mar 2009
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shorty8914446 is on a distinguished road
Lightbulb Time For A Swap, Input Wanted!!

so i bought my jeep last year and its a 99 tj with a 2.5 l 4cyl auto, so far i put a 2in suspension lift and put 31s on it. i really cleaned it up but im still suffering from a lack of hp. on the highway its awful im running about 3k rpm going 60, off road its not to bad has some good torque but when going through mud/water it really struggles.
time to get the point, so i wanted to swap a 350 in it but its too much work and out of my budget. so i was thinking about putting a 4.0l straight 6 in from another jeep.
anyone have any experience with this or have any links of someone who has done this swap. what do i need to replace what can i keep? would it be better if i moded the 2.5 to get more power? and finally should i keep the auto or switch to manual?
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Old 03-15-2010, 05:50 PM   #2
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for the time and money your going to have to spend, i would just sell your jeep and buy one with a 4.0L

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Old 03-15-2010, 07:10 PM   #3
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x2, buy a 4.0L...it's cheaper.

It ain't no fun unless you get some of it on you.
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Old 03-15-2010, 07:33 PM   #4
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motor, trans, t-case, cross member, motor mounts, computer, wiring harness, sensors, exhaust and much muchhhh more. I got lucky, got the motor, trans, t-case, computer and wiring harness for 300 bucks. Im still gathering parts.

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Old 03-15-2010, 07:56 PM   #5
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I'm sure if you were to do a search under "search", and type in 'engine swap" you will find a lot of info.
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