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-   -   4.0 Performance Chip (http://www.jeepforum.com/forum/f19/4-0-performance-chip-31192/)

Maine-yj 03-02-2003 02:42 PM

4.0 Performance Chip
 
Hey guys i got a question.

Ive seen Jet chips and venom 400 performance chips advertised on tv and in magazines. Does anyone have one of these installed in their 4.0? And if so does it work? Likes dislikes? MPG. Let me know, I need a little more uumph out of my 4.0. (I dont want to change the gears because i got the lovely automatic and i need to travel on the highway without running at 3500 rpm.)

JSBlu974X4 03-02-2003 05:43 PM

ive hird stuff here and there but i wouldnt bother with it, the dollar to hp isnt even worth it

DirtyDan 03-02-2003 07:25 PM

I have to have a chip in my Z but I will share my experiences with you. If you insist on a chip/prom flash find a good programmer and have him do it custom. Prefabbed crap almost never gets your motor set right like a programmer can. One guy with a camaro LOST 5hp by putting a jet chip in.

Dan


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