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Programmers/Engine Mods Questions or advice about programmers or engine mods? This is the place...

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Old 12-10-2012, 11:47 AM
tjlakia tjlakia is offline
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07 3.7L MPG Increase

The wife would like to see how she can get some more MPG. The jeep is stock. She gets around 16 mpg (city) and 18 mpg (highway). What is the best way to upgrade to get better MPG? CAI? Chip?
Thanks in advance!
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Old 12-11-2012, 11:42 AM
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BrendenV BrendenV is offline
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I've done a lot of research for my 4.7 v8 and none of the upgrades will make a big impact. You're looking at 1-2 mpg increase MAYBE. It's the reason I'm trading my jeep in later this month. The commander wasn't designed with fuel economy in mind whatsoever.


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