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Jeep Wrangler YJ
YJ General Discussion
What do I need for a 4-cylinder to 6-cylinder engine swap?
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<blockquote data-quote="jeepjoe43" data-source="post: 428488" data-attributes="member: 19255"><p>You will need an engine harness for a 4.2, and probably it's ECM.</p><p>As far as the 4.0, I think it was a much late model (TJ) and I don't know if that harness is compatible.</p><p>The 2.4 (I have one) comes with the AX5 5 speed, the six came with the AX15 5 speed.</p><p>As far as I know, it will bolt up but the AX5 won't hold up behind a six, so you will need that too, unless you're going to do a swap.</p><p>Personally, I hate my AX5, and after axle upgrades am looking to put in a SM420 truck box.</p><p>None of the the 4bangers came with autos.</p><p>When you get the motor, get the tranny that's with it, which ever way you want to go, auto or manual.</p></blockquote><p></p>
[QUOTE="jeepjoe43, post: 428488, member: 19255"] You will need an engine harness for a 4.2, and probably it's ECM. As far as the 4.0, I think it was a much late model (TJ) and I don't know if that harness is compatible. The 2.4 (I have one) comes with the AX5 5 speed, the six came with the AX15 5 speed. As far as I know, it will bolt up but the AX5 won't hold up behind a six, so you will need that too, unless you're going to do a swap. Personally, I hate my AX5, and after axle upgrades am looking to put in a SM420 truck box. None of the the 4bangers came with autos. When you get the motor, get the tranny that's with it, which ever way you want to go, auto or manual. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
What do I need for a 4-cylinder to 6-cylinder engine swap?
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