Modified XJ Cherokee Tech XJ (84-01)
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Increase throttle response

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Old Feb 4, 2014 | 06:07 PM
  #46  
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From: CT
Year: 1988
Model: Cherokee
Engine: 4.0 l6
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LOL!!

ok.. so i replace the restrictive pipe !!
Such a diference !!, i will post pictures so you guys can understand better what was going on.
I didn't gain much throttle response but jeep funds much smother and it feels with more power at hight rpms.

I ordered the 4 holes injectors and I'm planing to install them this saturday will see how that works out ! so far I'm happy with this fix.
Now ... lets fly a little bit .... Stroker or turbo ?? i read that supercharges ones were builded once for cherokees but I'm not interested in the parasitic effect.
Some will say for that kind of money swap a v8 engine... i don't know.. I'm not an expert ... any opinions ???
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Old Feb 4, 2014 | 06:09 PM
  #47  
gotsnowboards's Avatar
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From: Henderson, NV
Year: 1996
Model: Cherokee
Engine: 4.0l inline 6 stock
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You ordered injectors? From who? Where? How much? Lol

And restrictive pipe? Are you talking the dented exhaust?
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Old Feb 4, 2014 | 06:43 PM
  #48  
cruiser54's Avatar
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From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
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Indes your distributor, put a 60mm throttle body on it and enjoy.
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Old Feb 4, 2014 | 06:56 PM
  #49  
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From: ridgecrest, CA
Year: 1989
Model: Cherokee
Engine: 4.0
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*chants violently
stroker! stroker! stroker! stroker!
I would take the supercharger before the turbo though.
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Old Feb 4, 2014 | 07:11 PM
  #50  
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From: London Ontario Canada
Year: 2000
Model: Cherokee
Engine: 4.0
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Originally Posted by bubbarules1958
Love it. Is it AMC production. Guess it must be. Nothing more exciting than the evolution of American Iron. Came across this poem on YouTube. Have a listen. Took me back twenty years. When Cars Had Fins - YouTube


Thank you thank you thank you!
I remember this. I had several of the cars pictured even the Rambler American 440 towards the end. I wish I had them all today. I'm so glad I got to live in part of the American Experience and drove so much history.
I think I'll go get a cold one and get out my picture album and remember the good old days. Get some Aerosmith and Deep Purple on the stereo......
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Old Feb 5, 2014 | 12:57 AM
  #51  
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kgm
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From: Denver
Year: 99
Model: Cherokee
Engine: 4.0
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I typically just stomp on the pedal a little more!
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Old Feb 5, 2014 | 05:35 AM
  #52  
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I tried to contact throttle but never got a response.
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Old Feb 5, 2014 | 06:10 AM
  #53  
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From: Long Beach, Ca
Year: 2000
Model: Cherokee
Engine: 4.0 I6
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Originally Posted by RubberSideUp
I tried to contact throttle but never got a response.
Maybe you had a bad transmission...

Last edited by askingxforxit; Feb 5, 2014 at 07:41 AM.
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Old Feb 5, 2014 | 09:24 AM
  #54  
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From: CT
Year: 1988
Model: Cherokee
Engine: 4.0 l6
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Originally Posted by gotsnowboards
You ordered injectors? From who? Where? How much? Lol

And restrictive pipe? Are you talking the dented exhaust?
I got the injectors from eBay, "fuel_injector_physician", 115 bucks, it's upgrade to 4 holes, Bosch type 3.
...No, I'm aware of that dent but not that one ... Mi jeep had a section of the exhaust, just before the cat, that was welded terrible, it was so bad that the pipe got down to 1.5 on diameter.
That is the piece that I replaced.
The dent that u are talking about is next to the o2 sensor, and some people say that I came from factory like that to hit up the exahust gases faster so the o2 sensor can work more efficiently I really don't know what it is....
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Old Feb 5, 2014 | 09:27 AM
  #55  
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From: CT
Year: 1988
Model: Cherokee
Engine: 4.0 l6
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Originally Posted by RubberSideUp
I tried to contact throttle but never got a response.
LOL!!
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Old Feb 5, 2014 | 09:29 AM
  #56  
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From: CT
Year: 1988
Model: Cherokee
Engine: 4.0 l6
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Originally Posted by kgm
I typically just stomp on the pedal a little more!
Yeah... Maybe my problem is that I have short legs and I can't step on the pedal all the way down...
Should I invest in platform shoes instead of all this mods ?
It would be definitely cheaper ....
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