permformance chip??
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Seasoned Member
Joined: Jan 2010
Posts: 398
Likes: 1
From: Omaha, Nebraska
Year: 2000
Model: Cherokee
Engine: Inline 6 4.0 liter
permformance chip??
have any of you tried performance chips? Did they do anything? Think this one will work?
http://cgi.ebay.com/ebaymotors/2-1-P...#ht_581wt_1165
http://cgi.ebay.com/ebaymotors/2-1-P...#ht_581wt_1165
Senior Member
Joined: Dec 2010
Posts: 726
Likes: 0
From: Leadville Co
Year: 2000
Model: Grand Cherokee
Engine: 4.7
The chips are pretty useless as the computers are already tuned to like 95% efficiency. Throttle body spacers...well they are totally useless unless you want the cool whistly sound
Seasoned Member
Joined: Apr 2010
Posts: 322
Likes: 0
From: Tauranga, New Zealand
Year: 1994
Model: Cherokee
Engine: 4.0L
Hey I know people that have had measurable gains in MPG with a throttle body spacer, I just like the mean sound.
Save the money for injectors, cams, stroker kit...
Save the money for injectors, cams, stroker kit...
Senior Member
Joined: Jun 2010
Posts: 890
Likes: 1
From: ............
Year: 2000
Model: Cherokee
Engine: 4.0
FYI...I had the JET Stage II in mine when I bought it (2000 XJ 4.0) and I was getting around 11.5 average mpg around town...took it out and now I'm getting about 13 mpg in town... Go figure...
I also had a throttle body spacer...waste of time and money (no gains)! Just my $.02
I also had a throttle body spacer...waste of time and money (no gains)! Just my $.02
Last edited by JCKustoms; Mar 6, 2011 at 11:03 PM.
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