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Working with 1988 jeep cherokee 4.0 auto trans 4x4 with a 96 jeep cherokee engine Background that led me to current situation: My original engine gave out I had about 70 psi of compression couldnt really drive i decided to swap in the a engine from a 96 cherokee which was in a wreck but had...

My jeep xj is leaking fuel at the return line starting at the crimped fuel end right at the end of the fuel rail line. I cant find a replacement so I was wondering what others have done in this situation. Let me know if your suggestion is based on how you solved the problem or how you think...

Hey so ive been reading that you can install a H.O valve cover on a renix I went through with that install and im having idle problems is it possible that it is due to valve cover ? If you happen to know why it does or doesnt work I'd like to know an explanation beyond yes it fits and has the...

1988 Jeep xj 4.0 4x4 aw4 So I recently swapped in a high output motor and forgot to install the coolant sensor that mounts to the motor on the renix. I kept my electrical system from the renix. Would that cause me a rough idle I don’t have it connected? Also I won’t be able to install it to...

1988 Jeep xj 4.0 4x4 aw4 So I recently swapped in a high output motor and forgot to install the coolant sensor that mounts to the motor on the renix. I kept my electrical system from the renix. Would that cause me a rough idle I don’t have it connected? Also I won’t be able to install it to...

So I did an engine swap i kept the flex plate from the 96 and put it on my renix model Jeep now I think the cps isn't able to function properly. Should It be an issue I notice the flex plates don't have the same model number on catalog and the cps doesn't look the same. Will I have to change...

So I swapped in a ho engine into xj and now that it's all plugged in I'm realizing something doesn't feel right. I'm turning it by hand and I hear a noise in time chain area and when I'm turning the engine not only do I feel resistance but it springs back. Is that a bad timing chain?

I did a H.O. Swap and I was going to take the newer a/c because mine doesn't work anymore. Despite the different electrical connection will it work if I just change the connection?

I have a renix engine if someone has recommendations for a shop I'd appreciate it.