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    (Grind # J4.0 X4 250L-13) Anyone have this cam installed?

    01 XJ - Stock engine I’ve been looking for a good mild cam, but being a post 98 engine that was always a PITA being that they changed to the retainer instead of the bolt and spring. Finally, one day I found one, brand new design (I think, lol) for the 99-06 motors. I wanted to wait a bit for...
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    Q: Does my 01 XJ have a clear-flood mode?

    2001 XJ like mentioned above, stock engine, no aftermarket immobilizer or anything. It’s mostly out of curiosity, but I have this random thing where it won’t start, hot or cold, is been going on for about a year. I wanted to see if getting the engine up to full cranking speed before firing the...
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    Preventing rocker rust... what’s the best solution?

    01 XJ, 4.0 4” lift on 31s 192k miles I guess I’ll put this here since it is the stock rocker panel after all, not a square tube replacement (yet). I want to keep rolling with my mostly rust-free rocker panels but Michigan is starting to take her toll on them, there is some bubbling on the...
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    Whistle sound at specific throttle position

    01 Cherokee Sport. 4.0 L6, stock. When I bought my XJ a year ago, I noticed a quiet whistling sound at about 1/3 throttle, the sound isn't audible at any other throttle position. I thought nothing of it at that time, but now it's getting louder and annoying, I also have a CEL, but that's been...
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    Strange Clacking sound when letting off...

    This is my first post so bear with me here... 2001 Jeep Cherokee Sport. 4.0L I6, stock. AW4 Auto, 231 T-Case. 189,095 miles. No ABS, or TC. Ok, so on my drive home, there was this strange sound that seemed like it was coming from the engine. I know the 4.0 is a somewhat noisy engine (at...
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