4.0

I have a 2000 Jeep Wrangler with roughly 160K miles. Recently I let it sit for a week and after sitting, I cranked it & it had developed a "tick noise" which sounds like it's coming from the top of motor or the front of the motor. I changed the oil & added 1 quart of resin to it, but the "tick"...

Hi all. I have searched this and am still stumped.I have a 1996 jeep cherokee 4.0L6 with the warner trans.It has a issue that I cannot figure out. It starts fine every time but completely randomly it will have a spell where it runs rough (very rough) and then it is gone.Basically you are...

We have a 1995 Grand Cherokee Laredo with the 4.0l I6, its a jasper rebuilt engine that is sluggish for some reason, has about 80k on it. Looking into rebuilding as a stroker or swapping to a different engine. Looking to simply get a bit more kick out of it, hopefully not at too much of a loss...

After recently getting stuck in the mud (pulled out by another jeep), exhaust sounds almost like its choked a bit. At times its fine. Engine hums beautifully, isolated the sound under the cab and out back. When I notice this sound while driving there is a slight drop in power to the wheels...

Had a valve tap. Ran a quart of Marvel mystery oil in it. Did not go away. Replaced lifters. Cam looked good. Still have a valve tap.

I was wondering if anyone knew where i could find a supercharger for my TJ. Or what do i need to look for when searching. I want one so I will have some more power, but i guess thats obvious because what else what i need one for. Or do yall think it would be better to get a v8, but right now im...

So I just got a 94 yj with the 2.5 and An automatic it's great off road in 4 wd but lacks power in 2wd so here is my ? I have several motors and transmissions I have a grand Cherokee 2wd with the 4.0 and AT , a 86 chevy blazer S-10 4x4 with the 2.8 v6 5 speed , 96 gmc jimmy 2wd 4.3 with AT , a...