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how to make my xj faster

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Old Jul 3, 2013 | 09:44 PM
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harbor rat john's Avatar
harbor rat john
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Year: 1999
Model: Cherokee
Engine: 4.0
Default how to make my xj faster
what is there to do to my 99 xj to make it faster
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Old Jul 3, 2013 | 09:48 PM
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ZINGGG's Avatar
ZINGGG
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From: Seal Beach, CA
Year: 1996
Model: Cherokee
Engine: 4.0 HO Straight Six
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V8 swap
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Old Jul 3, 2013 | 09:48 PM
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sycoglitch
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From: Mercer County, NJ
Year: 2001
Model: Cherokee
Engine: 4.0L I6 HO
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Sell it and get a corvette is one way. Easy upgrade
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Old Jul 3, 2013 | 10:08 PM
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1999 xj's Avatar
1999 xj
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From: Edgewood
Year: 1999
Model: Cherokee
Engine: 4.0, bbk 62mm throttle body
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Bbk throttle body.good air filter.fresh tune . Good free flowing exhuast.annnd that's about it.well if ur good u can put a cam in it and u could go full blown retard anf turbo that bish.
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Old Jul 3, 2013 | 10:20 PM
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Twin turbo LS1
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Old Jul 3, 2013 | 10:25 PM
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Tom95YJ
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From: SLC, Utah
Year: 1999
Model: Cherokee
Engine: 4.0L
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If you have oversized tires Regear. Then add a 4.6 stroker kit , supercharger , and N2O
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Old Jul 3, 2013 | 10:29 PM
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stang65
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From: oregon
Year: 1993
Model: Cherokee
Engine: 4.0 ho 99 intake ps pump 1" tb spacer 62mm bored tb eletric fans and more
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jet engine. sorry what are you wanting it fast for?
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Old Jul 3, 2013 | 11:01 PM
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From: Oroville, CA
Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
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Cut a hole in the floor so you can push the gas pedal further.

You don't buy an XJ to go nowhere fast, you buy an XJ to go everywhere slow.
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Old Jul 3, 2013 | 11:04 PM
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Just out of curiosity, whats the most power and torque someones gotten out of a 4.0 and then stroked? Figured it wasn't worth its own thread, just curious.
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Old Jul 3, 2013 | 11:11 PM
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s346k
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From: central IN
Year: 1997
Engine: 4.0
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Originally Posted by sycoglitch
Sell it and get a corvette is one way. Easy upgrade
this only applies if you have a small *****.

I argee with the v8 swap suggestion.
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Old Jul 4, 2013 | 12:14 AM
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Scotty16
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From: Placerville, CA
Year: 1989
Model: Cherokee
Engine: 4.0 Inline 6
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Originally Posted by s346k
this only applies if you have a small *****.

I argee with the v8 swap suggestion.

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Old Jul 4, 2013 | 12:26 AM
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iHarvey
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you will snap an axle to grip before you make it FAST.
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Old Jul 4, 2013 | 01:06 AM
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From: Southern Oregon
Year: 1990
Model: Cherokee
Engine: 4.0
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In a recent thread I saw that a 96' Cherokee 4.0 could do 0-60 in 8.2, beating a 2013 dodge dart which runs 0-60 in 9.8.

Pretty fast if you ask me.
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Old Jul 4, 2013 | 02:25 AM
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jbsjunk
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From: Hudsonville, MI
Year: 1986
Model: Cherokee
Engine: 5.0
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Nitrous. Turbo. Supercharger. I've see all 3 in a few cars.
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Old Jul 4, 2013 | 02:47 AM
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kennzz05
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From: middleburg fl
Year: 1998
Model: Cherokee
Engine: 4.0
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only drive down steep hills
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