What did you do to your Cherokee today?
Senior Member
Joined: Jan 2011
Posts: 677
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From: Green Bay Wisconsin
Year: 1995
Model: Cherokee
Engine: 4.0L High Output
For just adding some more horse power and torque plus MPG at low RPM's then 8lbs of boost is nice.
But your totally right. If you want to be running higher boost for more power. Its going to involve more than what i just listed
CF Veteran
Joined: Feb 2011
Posts: 3,500
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From: Long Beach, Ca
Year: 2000
Model: Cherokee
Engine: 4.0 I6
If I was going to do a super turbo xj I'd just swap in the engine from a '96 Twin Turbo 300zx. 3.0 V6 with 300hp at the crank. That engine is capable of 500+ hp with minor ( don't confuse minor with cheap lol ) modification.
CF Veteran
Joined: Mar 2010
Posts: 6,685
Likes: 6
From: Jacksonville, FL
Year: 92
Model: Cherokee
Engine: 4.0
True. The thing is you can run 8lbs of boost without any trouble. Anything above that will require a piggy back computer and other things. You can get a good amount of power from just running 8lbs of boost.
For just adding some more horse power and torque plus MPG at low RPM's then 8lbs of boost is nice.
But your totally right. If you want to be running higher boost for more power. Its going to involve more than what i just listed
For just adding some more horse power and torque plus MPG at low RPM's then 8lbs of boost is nice.
But your totally right. If you want to be running higher boost for more power. Its going to involve more than what i just listed
its not just to run higher boost numbers. you will not make as much power at a certain boost level when compared to a motor setup with a real ignition/fuel control and a way to cool intake charge temps(intercooler of some sort or meth injection) on the same psi.
also, im not so sure on the better MPG's at lower rpms...the larger injectors seem to get rid of that without a real fuel system control
CF Veteran
Joined: Mar 2010
Posts: 6,685
Likes: 6
From: Jacksonville, FL
Year: 92
Model: Cherokee
Engine: 4.0
edit, anyways....cluttering up this thread. need to make a new thread if were going to discuss this further
Senior Member
Joined: Jan 2011
Posts: 677
Likes: 0
From: Green Bay Wisconsin
Year: 1995
Model: Cherokee
Engine: 4.0L High Output
its not just to run higher boost numbers. you will not make as much power at a certain boost level when compared to a motor setup with a real ignition/fuel control and a way to cool intake charge temps(intercooler of some sort or meth injection) on the same psi.
also, im not so sure on the better MPG's at lower rpms...the larger injectors seem to get rid of that without a real fuel system control
also, im not so sure on the better MPG's at lower rpms...the larger injectors seem to get rid of that without a real fuel system control
I forgot the intercooler stuff. And I agree. If it needs to continue to be discussed we should make a thread and continue.
CF Veteran
Joined: Feb 2011
Posts: 1,838
Likes: 1
From: South Dakota
Year: 1992
Model: Cherokee
Engine: 4.0
Took the xj wheels off and put them on the zj to see if they'd fit...well they fit...as long as i dont have to ever turn


OHH cant forget the 38.5's


OHH cant forget the 38.5's
Last edited by Kyle 4x4 4life; Oct 19, 2011 at 11:26 PM.
CF Veteran
Joined: Feb 2011
Posts: 3,500
Likes: 0
From: Long Beach, Ca
Year: 2000
Model: Cherokee
Engine: 4.0 I6
Originally Posted by Axel1831
Im sorry I meant more MPG if you have a fuel system control. Your going to need to upgrade to larger injectors. Maybe not the 30Lb that most of the guys are running but atleast 25's or something. There will be a higher rate of flow if your running higher boost levels.
I forgot the intercooler stuff. And I agree. If it needs to continue to be discussed we should make a thread and continue.



