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  1. J

    Custom Intake

    Well it took a little while but I'm throwing up my idea here. Now it has gone through a lot of changes and from what I was able to test it with since I have no access to any flow bench that can get exact numbers or even a good estimate at this point in time is with just by feeling and watching...
  2. J

    So what do you guys think??

    I'm just posting a couple of pics here just to see what you guys think off the top of your heads, like first impressions. I'll post more later today and more details but I got to finish cleaning the garage and break in the engine.
  3. J

    Head and Main Bolts

    Hey guys, I'm in the process of building my stroker and I've been searching around for a set of head bolts and main bolts for a while now. I run into a lot of threads about people suggesting to change the head bolts but not giving a place to buy from. I went to most of the parts stores around...
  4. J

    88 XJ Stumble...

    I've got a problem with my Cherokee that's got me a little stumped maybe it's the stress of it or whatever but for the life of me I just can't figure out how to fix this problem. 1988 XJ 4.0L 5 Spd. Under normal driving my Jeep will stutter or stumble around the 2-2.5K RPM, it tends to happen...
  5. J

    MAP Adjuster

    Hey guy's! I have a problem atm with rich a condition on my 88 Renix. I believe what's happening now with my Jeep is that it's stuck on open loop. I've checked and replaced all my sensors and relays so far and I think my ECU is still rejecting the signals and staying in open. I've checked all...
  6. J

    Bosch 4Port Fuel Injectors

    I came across a set of fuel injectors a few days ago on ebay. The problem I have is that I'm not sure if these injectors will work or work well for my 88 XJ. They are the new design III injectors which apparently do fit by physical dimensions but don't know if the specs of the injectors are...
  7. J

    Runs Horrible, Bucks Then Runs Awsome.

    I have this problem where it would be like a stumble/bucking but this is the funny part my 88XJ would run horribly for the first 10-15 of driving wouldn't go if I hit the gas and it sounded like a 30 year old beat up V8 with crappy exhaust (usually on the way to work) and if I decide to hold it...
  8. J

    Twin Screw Supercharger!?

    I just came across this now and it seems to be around for a little bit but was wondering if anyone has a more in depth look at this product. It's seems like a good way to go but not sure at all. The link where I found this seems to imply that this supercharger was ment for the stock 4.0. This...
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