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Old 06-24-2013, 06:00 AM   #1
Join Date: Jun 2013
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I have a tj with a 4 cylinder will a 6 cylinder bolt up to the transmission?


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Old 06-24-2013, 06:31 AM   #2
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I believe it will bolt on, however... the computer and entire ECM wiring harness will be different. Not really a plug n play upgrade from my understanding.

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Old 06-24-2013, 08:01 AM   #3
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No it's a different pattern
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Old 06-24-2013, 09:18 AM   #4
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No. You will need the different bellhousing or an adapter for the bellhousing you have on the 2.5L
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Old 06-24-2013, 09:22 AM   #5
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the 4.0 is to powerful for the 2.5 manual tranny anyway. the ax5 is good, for a little 4cyl but a big torque motor like the 4.0 would destroy it in no time.
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Old 06-28-2013, 10:28 AM   #6
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Originally Posted by Schulz1997Jeep33 View Post
I have a tj with a 4 cylinder will a 6 cylinder bolt up to the transmission?

I'm pretty sure you'll need a new transmission, fan shroud, engine mounts, wiring harness, possibly transfer case (people seem to be debating about that one), and probably even more things.

All in one, not a quick and cheap job!

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