Chips
01-06-2013, 04:33 PM
#3
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Location: City of Trees, CA
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Year: 93 2 door
Model: Cherokee
Engine: 4.0
You can run aftermarket piggyback programmers like a Unichip or JET chip, or run a unit that will slightly overwrite certain performance parameters of the factory computer, like a Superchips or Hypertech. These can change the fuel maps or alter timing to some degree. However, we've found these have limited results on later '96-up OBDII computers.
Claimed Gains: That it's possible.
Actual Gains: Can't do it.
http://www.jpmagazine.com/techarticl...s/viewall.html
here are threads about 4.0 chips
http://www.wranglerforum.com/f5/what...0-a-46437.html
http://www.jeepforum.com/forum/f197/...e-chip-663523/
https://www.cherokeeforum.com/f2/per...cherokee-9254/
http://www.cherokeetalk.com/forum/f2...-fiction-9287/
Claimed Gains: That it's possible.
Actual Gains: Can't do it.
http://www.jpmagazine.com/techarticl...s/viewall.html
here are threads about 4.0 chips
http://www.wranglerforum.com/f5/what...0-a-46437.html
http://www.jeepforum.com/forum/f197/...e-chip-663523/
https://www.cherokeeforum.com/f2/per...cherokee-9254/
http://www.cherokeetalk.com/forum/f2...-fiction-9287/
Last edited by Atmos; 01-06-2013 at 04:45 PM.
01-07-2013, 12:08 AM
#4
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Location: Oroville, CA
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Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
You gain some top end speed because your wallet is lighter. You have to turn some wrenches to gain performance.
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