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Old 08-25-2011, 10:08 AM
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Question Dumb Questions From A Newbie

OK, let me finish that! I have been a Jeep owner since 2001 - had a '98 GC, and two 03 GCs. My current '03 has a 4.0 inline engine.

I don't really do a lot of the "fun" stuff (mudding, hills, etc) I frankly like the look and feel of the GC. Additionally, I LIKE having the muscle if I should need it. So, with all that in mind:

I have seen some stuff on eBay and I wonder about it. For example this item http://cgi.ebay.com/ebaymotors/_W0QQ...KQ3aMEWAXQ3aIT
really makes me wonder, but for about $12 bucks, if it helps gas mileage, I am all for it. Another item that caught my interest was this chip, http://cgi.ebay.com/ebaymotors/PERFORMANCE-CHIP-JEEP-GRAND-CHEROKEE-01-02-03-04-05-/250877967795?pt=Motors_Car_Truck_Parts_Accessories &fits=Year%3A2003|Model%3AGrand+Cherokee&hash=item 3a697dfdb3

Again, for such a small amount of money, if it provides even a few MPG increase, why not?

Remember, I am new to this engine thing; I have been a salesman all my life, I have only started getting my hands somewhat dirty! Thanks for the info, folks!
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Old 08-25-2011, 10:22 AM
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Re: Dumb Questions From A Newbie

First off, There are NO dumb questions...Well, For the most part! LOL

Second, Despite being cheap mods, but I personally wouldnt waste the money!
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Old 08-25-2011, 10:55 AM
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Re: Dumb Questions From A Newbie

Superchips or SCT for the 4.0 I6.....

Intake exhaust and ported or bored TB are your best bets for mileage adders....No change in octane requirements either...
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Old 08-26-2011, 12:54 AM
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Re: Dumb Questions From A Newbie

For an SCT tuner, email Hemifever@aol.com

Thats who i got mine from. Great guy!
And search around, there are many great mods for your engine. Headers, cold air intake, ported throttle body, muffler, programmer, the list goes on..

Summitracing.com
Autoanything.com
Justforjeeps.com
eBay.com
Etc
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Old 08-26-2011, 07:29 AM
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Re: Dumb Questions From A Newbie

I'm pretty sure JP magazine did an experiment on all those fuel savers and power adders. The contraption to "spiral" your airflow got the most laughs if I remember correctly. In my opinion, don't bother. Save your money for a cold air intake, headers, exhaust, TB upgrades. You'll only get so much out of the 4.0. I've owned 2. Great motors, but they do have their limitations with bolt on's just like any other. Oh, and you may want to check your avatar and your title...it says XJ. Looks like you've got a WJ...
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