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Discussion Starter · #1 ·
I have a 93 YJ 4.0. Has anyone out there tryed the computer chips in thier Jeep I see advertized? And if so have they noticed any difference? Thanks
 

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Nobody make a decent chip for an OBD 1 engine. Even Hesco has stopped supplying the Uni Chip`s because of quality problems.

The newer 96 + OBD 2 models are more "tunable" and there are some "chips" that can increase performance.

For now, save your money.
 

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I have a fuel max chip on my 93 2.5. I mabe gained a mpg or so but its hard to tell. I did gain noticable power from a helix tb spacer though...
 
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