4.0

Good afternoon all. I am looking for some opinions from folks who have experience with both the 4.2 and 4.0 or a good idea anyway. I presently have a 89 Jeep YJ with the 4.2. 98k on it. The carb is long gone - I have the Mopar MPFI kit installed (basically all the fuel...

Hi all, I’ve just finished putting a 95 5.2 magnum into my 93 YJ. when I turn the key to ON, the fuel pump doesn’t prime. It cranks over, but the fuel pump is not working. I used a 95 ram PCM with the factory Jeep 4.0 harness. I simply added 2 wires to Jeep harness for the 2 extra injectors...

Check out the auction for my YJ on BaT. This thing is an absolute gem. 4.0/in-line six. 52k miles. Drives like a dream and interior and exterior are pristine. Wouldn’t be selling if I didn’t have to. Hoping to send her to a good home. https://bringatrailer.com/listing/1993-jeep-wrangler-yj/

I am selling my 1990 Jeep YJ islander. Parking has become an issue and I must let her go. I am looking for 9k. I feel this is very fair for what she is and can be yet. A loving home out west would be my wish for her. Pictures upon request...if I can figure out how to do it, that is. But a...

Hello, new member. I am looking for a Jeep YJ 4.0 for sale that goes arround 3000 usd, i need to ship it to Costa Rica i know is not much, looking for one of those oportunities, ill aprexiate ane help! Thank you all.