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  1. ScienceguyXJ

    Rough idel after start, goes away if I give it some gas

    My engine has been idling rough for 2 or 3 months right after start up but if I give it some gas and raise the rpms up to about 1200+ for a sec or two it goes away. It's getting worse as the weather is getting colder. The CEL has not come on yet. Just replaced the spark plugs a few months...
  2. ScienceguyXJ

    Filling CO2 tanks

    If anyone in the Colorado Springs area has a Smittybilt or other brand CO2 tank they need filled my buddy David at Allstar Paintball can now fill them for $20. If anyone considering buying one I'd recommend it. I can air down and fill my 37s 4 times on one tank. It's super handy and can run...
  3. ScienceguyXJ

    Filling CO2 tanks

    If anyone in the Colorado Springs area has a Smittybilt or other brand CO2 tank they need filled my buddy David at Allstar Paintball can now fill them for $20. If anyone considering buying one I'd recommend it. I can air down and fill my 37s 4 times on one tank. It's super handy and can run...
  4. ScienceguyXJ

    Wheeler Lake on Labor Day

    Hit Wheeler Lake on Monday with a buddy with his TJ. First time on the trail and had a blast. We were taken back a bit by the first few obstacles and the hardest lines possible on them especially with wet tires on the smooth rock. Weren't expecting it from 4x4trails.net and traildamage.com...
  5. ScienceguyXJ

    Titan 4.9L blowing mail seals

    I've got a 4.9L Titan stroker and it's been blowing the front and rear main seals. Spare me any "should have stayed away from Titan..." It's been a great motor so far besides this problem. Anyways It's been doing it for about 1.5 years and I've replaced about 3 fronts and 3 rear main...
  6. ScienceguyXJ

    Good custom part coverage insurance??

    Does anyone have really excellent insurance with really high custom part coverage or know of any companies that offer this? I currently have progressive and they only offer 5K in custom part coverage... I've got more than that in my motor alone... My 01 is probably only worth about 5k on the...
  7. ScienceguyXJ

    To Stabilize or not to Stabilize??

    I haven't been running a steering stabilizer/dampener since I did my new lift and 37s and not sure if I like it or not. Wanted to see what other guys prefer. I had a dampener on my last XJ with 33x10.5s and it didn't seem to pull as much on the road from side to side. Not sure if that's...
  8. ScienceguyXJ

    Jeep won't move even in neutral...

    Drove the Jeep on Sunday about 10 miles and it seemed fine. Only odd thing I noticed was that it seemed to pop out of 4th gear and maybe chatter a little after I up-shifted but I assumed I just didn't shift thoroughly. Went to go to work Monday morning and it moved about a foot in reverse then...
  9. ScienceguyXJ

    Speedo gear replacement to correct for bigger tires and gears

    Running 37" tires with 5.38 gears and my speedo is reading over by 10%. I measured it by driving 10 miles based off of mile markers and setting my trip meter then doing some math to see how far it was off. I'm wondering if anyone knows how to figure out how many teeth I need on my speedometer...
  10. ScienceguyXJ

    Electronic Shifted OX Locker and G2 Axles

    Does anyone have any experience with the new electronic shifted OX locker? Thinking about getting some in some G2 axles but I've heard some horror stories about about manual shifted OX lockers and wondering if the new electronic ones are any better? Also considering Eaton E lockers if anyone...
  11. ScienceguyXJ

    01 Jeep Cherokee AW-4 tranny - $400 Colorado Springs CO

    -2001 Jeep Cherokee AW-4 auto tranny with ~92k miles $400, shifts great, no leaks. Swapped in a AX-15 into my 01 XJ now I have the AW-4 for sale. Comes with good torque converter and flex plate. Please call Dan at 719-649-7334 if interested. Sold as is. I'm located in Colorado Springs CO.
  12. ScienceguyXJ

    01 XJ Header/precat replacement

    Has anyone replaced their header and precats on an 01 XJ? I've got a 4.9L stroker and I want to get a little more performance out of it while doing something with the darn precats on the factory header. The things are super restrictive. It seems like all the aftermarket headers out there are...
  13. ScienceguyXJ

    Back spacing for 12.5" wide tires and DOT approved inner tube bead locks??

    Anyone know how much backspacing is required to run 12.5" wide tires on XJs? I think I heard a few years back that you need a minimum of 4.5". I'm thinking about getting some 17"x9"x4.5" BS rims. Haven't had much luck searching. Also, does anyone run DOT approved inner tube bead locks...
  14. ScienceguyXJ

    Rusty's Offroad Fiberglass XJ Rear Quarter Panels

    Has anyone ever seen an XJ with these installed? Rusty's website says they have these for both XJ and MJ applications (see link). I'm curious what they look like installed on a XJ and how you're supposed to install them. I didn't have much luck by calling Rusty's or with google searches. I've...
  15. ScienceguyXJ

    Clayton Offroad XJ 8" Coil Conversion Long Arm Lift

    Does anyone have any experience with Clayton Offroad? Specifically with the XJ 8" Coil Conversion Long Arm Lift? I'm very interested in the kit, always wanted to do a coil spring conversion. Looking to run 35-37" tires so this kit seems to be one of the few choices. Any info would be greatly...
  16. ScienceguyXJ

    01 Jeep Cherokee Auto AW-4 tranny, NP231 tcase and Rubicon Express Lift kit

    I've got the following items for sale from my old 98 XJ and my 01 XJ: -2001 np231 command trac transfer case with ~92k miles $250 obo -2001 AW-4 auto tranny with ~92k miles $700, shifts great, no leaks. Swapped in a AX-15 into my 01 XJ now I have the AW-4 for sale. -8 year old Rubicon...
  17. ScienceguyXJ

    01 Jeep Cherokee Auto AW-4 tranny, NP231 tcase and Rubicon Express Lift kit

    I've got the following items for sale from my old 98 XJ and my 01 XJ: -2001 np231 command trac transfer case with ~92k miles $250 obo -2001 AW-4 auto tranny with ~92k miles $700, shifts great, no leaks. Swapped in a AX-15 into my 01 XJ now I have the AW-4 for sale. -8 year old Rubicon...
  18. ScienceguyXJ

    01 XJ AW-4 to AX-15 Tranny swap question

    We're swapping out my 01 XJ's AW-4 with my AX-15 out of my old 98 XJ. We've got pretty much everything done and installed and have taken it out for a spin. Everything feels great, the AX-15 is shifting fine. When we come to a stop and put in the clutch the RPMs fall really low and the...
  19. ScienceguyXJ

    98 XJ Jeep Cherokee Parts

    Recently bought my modified 98 Jeep Cherokee back at auction after it was totaled in a vehicle fire. The vehicle was flame red and it had 137k miles on it. I've got the following items for sale: -2 front doors and 2 rear doors; *The drivers door has some fire damage and no window, mirror or...
  20. ScienceguyXJ

    4.7L Jeep Stroker

    I'm trying to decide what to do with my blown motor, not seeing much for kits online besides Hesco. Was thinking about going with a Titan stroker motor but I'm not hearing the best reviews about Titan... Thinking of checking with some local shops to see if they've ever done one. Anyone...
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