The Official RaceJeep
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Joined: Feb 2015
Posts: 111
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From: South Fl
Year: 1998
Model: Cherokee
Engine: Stock 4.0 178,000 mile Home made Turbo charged rear mount setup, 8lbs of boost
Are you saying you wouldn't be scared to run 8psi on the stock motor? Or were you implying that I was challenging you, I only said fastest 5 speed because I haven't seen a #race jeep that was a 5speed yet,that's all I meant by that. Although I'm sure I wouldn't be to far behind with a good working set up with forced induction
Thread Starter
CF Veteran

Joined: Oct 2010
Posts: 1,000
Likes: 3
From: West By God Virginia
Year: 1999
Model: Cherokee (XJ)
Engine: 99 4.0
Are you saying you wouldn't be scared to run 8psi on the stock motor? Or were you implying that I was challenging you, I only said fastest 5 speed because I haven't seen a #race jeep that was a 5speed yet,that's all I meant by that. Although I'm sure I wouldn't be to far behind with a good working set up with forced induction
Member
Joined: Feb 2015
Posts: 111
Likes: 0
From: South Fl
Year: 1998
Model: Cherokee
Engine: Stock 4.0 178,000 mile Home made Turbo charged rear mount setup, 8lbs of boost
Thread Starter
CF Veteran

Joined: Oct 2010
Posts: 1,000
Likes: 3
From: West By God Virginia
Year: 1999
Model: Cherokee (XJ)
Engine: 99 4.0
its been almost a year since I touched this thread. Im still alive, just getting real busy. busy with work and other projects.
the current upgrade path is im planning on getting rid of the AW4 and going to an older a998 like the older jeeps have with the 3 speed auto.
then finally get a torque converter and possibly some gearing.
we'll use the drivetrain to reset my records and then ill finally start focusing on making some real power.
the current upgrade path is im planning on getting rid of the AW4 and going to an older a998 like the older jeeps have with the 3 speed auto.
then finally get a torque converter and possibly some gearing.
we'll use the drivetrain to reset my records and then ill finally start focusing on making some real power.
Senior Member
Joined: Nov 2014
Posts: 766
Likes: 5
From: Los Angeles, CA
Year: 1989 Limited
Model: Cherokee(XJ)
Engine: I-6 4.0L AMC Renix
Awesome. Did you do any dyno runs to see what kind of power you're making? And do you plan on keeping the 4.0 with just bolt ons or are you planning a swap? (2JZ Xj would get some great views on YouTube I bet! Or Coyote swap since everyone does LS swaps)
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CF Veteran

Joined: Oct 2010
Posts: 1,000
Likes: 3
From: West By God Virginia
Year: 1999
Model: Cherokee (XJ)
Engine: 99 4.0
Ive made some pulls in my 4wd jeep. very similar build. made about 180rwhp. this jeep should make more, as it has better exhaust, tune and less parasitic drag. but the motor does have a lot more miles, so that could be a factor.
first step was weight and traction. now its drivetrain and gearing. next will be power. I plan on keeping the I6 and right now im planning a 4.7 but its not set in stone. if I eventually need more pistons I already have a plan, and it includes staying with a mopar powerplant.
first step was weight and traction. now its drivetrain and gearing. next will be power. I plan on keeping the I6 and right now im planning a 4.7 but its not set in stone. if I eventually need more pistons I already have a plan, and it includes staying with a mopar powerplant.
Senior Member
Joined: Aug 2009
Posts: 724
Likes: 1
From: B-town sc
Year: 1989
Model: Cherokee
Engine: 4.0
out of curiosity. how did you "massage" your sliders to line up? Because one of the leaves on both sides insist on fanning out and kissing the side of my sliders. beginning to think my spring perches were welded to close together from the factory and causing this, considering I had to pull the axle to one side and then push the spring in with my foot to get it in.
CF Veteran
Joined: Oct 2013
Posts: 5,924
Likes: 203
From: Greenville, SC
Year: 1999
Model: Cherokee(XJ)
Engine: 4.0
Originally Posted by Bluemax
out of curiosity. how did you "massage" your sliders to line up? Because one of the leaves on both sides insist on fanning out and kissing the side of my sliders. beginning to think my spring perches were welded to close together from the factory and causing this, considering I had to pull the axle to one side and then push the spring in with my foot to get it in.
CF Veteran
Joined: Oct 2013
Posts: 5,924
Likes: 203
From: Greenville, SC
Year: 1999
Model: Cherokee(XJ)
Engine: 4.0
Originally Posted by Bluemax
I've tried that. I got almost 140lbs on them. I was able to get the driver side to stop rubbing, passenger side was no bueno.
Senior Member
Joined: Aug 2009
Posts: 724
Likes: 1
From: B-town sc
Year: 1989
Model: Cherokee
Engine: 4.0
Thought about it, but that would kind of defeat the purpose off what i was trying to accomplish. May end up selling them and getting some no lift shackle relocator boxes. Its a shame, the ride so nice, but i dont want to have to worry about them digging a groove and self destructing on me.
Thread Starter
CF Veteran

Joined: Oct 2010
Posts: 1,000
Likes: 3
From: West By God Virginia
Year: 1999
Model: Cherokee (XJ)
Engine: 99 4.0
Hopefully gonna have some updates coming soon. Gonna get the hydraulic 3 speed built and put in and try for even better times. The 4wd jeep has been getting attention as well. My import drag car has been taking my time up but we'll get the jeep back better than ever for next season which mean more build updates.
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xj_jack
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
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Feb 15, 2009 05:35 PM
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