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1986 XJ Cherokee with 1988 rebuilt <11K mile engine, bored .030 over with shaved head and dished pistons for bumped CR (more power). Properly broken in with high ZDDP diesel oil to accomodate flat tappet cam, then ran with only 5w40 shell synthetic changed every 2K or less. Leaks a little from...

Does anyone know if the input shaft from an np207 is compatible with a 231 or 242? I need a 21spl t-case as an upgrade, but can't find any near by. If I could simply use my 207's input shaft on a different model, I would be very pleased. Also, what driveshaft would be compatible (length-wise)...

battery is good, alternator is good, ignition switch is good, everything in the PDC is good, all but a few (non important) fuses are good, but ABSOLUTELY no power in the cab, anywhere! Someone suggested the starter solenoid is out, but I don't know... Oh and I checked all of my grounds and...

I need the pinout for the firewall bung/fusebox plug on my cherokee; 86 2.5. I've searched everywhere and just can't find it. I need it to adapt a 94 YJ engine harness for MPI to work correctly. Anyone with alldata or a similar source might be able to find it, I really wish I could find it...

Are these slushboxes known for wearing out torque converters quickly? Our suburban is acting a bit squirrelly and making sounds from the tranny/bellhousing area. The transmission was rebuilt about five years ago and we really don't want it to be the source of the problems. I'll explain a little...

Okay, bit of a dilemma here: Pulled brackets from a 98 2.5L to accompany my new power steering pump and alternator (and MPI system, I'll update my build thread later), but the pulleys don't line up with my vibration/harmonic dampener. JY wont let me take the dampener too, and I'm finding out...

Tore apart my jeep yesterday, got the front end basically stripped down to the engine and wiring harness. Now I get to isolate/cut/solder every single TBI wire into my new MPI harness (woo, fun!). I know I'm a bit insane for doing it, but I love the challenge! Hopefully tonight I'll pull the...

Okay, a preface: I did a "brother" pack junkyard boost on my XJ a while back, using ZJ springs w/ 1" spacer (actually 1.75, but removed stock isolator) and the main and second leafs from an XJ. ~3.5" front, 3" rear. Now, I say "about" 3.5" because the track bar is pulling the axle off center...

I can't downshift into third, unless I shift into second first (but don't let out the clutch) and then back up to third. Even with new clutch, reverse always grinds. I'm thinking rebuild, but should I even bother with the ax-5? I think I can get a 2.5 Dakota bellhousing out of tucson, and...

Okay, so I'm gathering pieces for my 2.5 MPI swap (I'll post that up with pictures and stuff later this month), I have an 86 TBI 2.5, and will be updating to the 94 MPI system. I have a 94 YJ Engine harness and ECU (I do have the body harness too, but only because it was a cheap package deal)...

I have a 1986 2.5 with the np207, planning to upgrade to MPI, and am just trying to iron out some concerns. Will the t-stat housing have to be changed? Is a VSS or whatever from a 231 swappable to the 207? What will have to be done with the P/S Pump? I'm having problems with the TPS and Idle...

So I just read on the port and polishing thread below, that the HO, or OBDI/II systems/engines ran a hotter cam that also compensated for the lack of an EGR valve. Well, the 4cyls had to also have this compensation too, right? From what I've heard, the 2.5's run pretty hot cams anyways, but...