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Old 06-30-2008, 01:22 AM   #1
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Performance chips/modules?????

Ok here's my issue. I am concidering a chip but am not sure what is better. I was looking at a JET performance stage 1 or 2 chip or the EDGE performance module. What do you guys think? What have been your experieances with them? Can anyone sugest anything better. i am also planning to add a cold air intake, throttle body, and throtle body spacer.

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Old 06-30-2008, 02:12 AM   #2
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I think JET performance chips is a nice buy...
Easy to install,Made truck a new truck with added power, shift points are great for pulling camper...

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Old 06-30-2008, 06:44 AM   #3
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Before you lay down your hard earned cash...I implore you to search the forum on this topic. Basically, IMO - you would be wasting your money.
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Old 06-30-2008, 11:07 AM   #4
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I wouldn't waste my $$$ on any chip like the Jet. Essentially, a chip like that primarily gains its small amount of performance by primarily advancing the engine timing which then requires you run 89 or even 91 octane gas. They also only make that small amount of difference at very high rpms and then only when the engine is also at wide open throttle. Unless you drag race your Jeep at the quarter-mile strip, they're a waste of $$$. In normal driving, you won't notice any difference.

The Edge product provides more benefit than a chip does but even it won't make a dramatic improvement. It advances the timing but it also makes the engine run richer by "fooling" the computer by thinking the engine is running cooler than it really is so it stays in the warm-up loop which can really pretty much destroy your fuel economy.

Forget installing a throttle body spacer. Spacers can help significantly when placed under a carburetor or throttle body injection system but the TJ's throttle body is not a TBI type system so a spacer won't help in the least. Only air passes through the TJ's type of throttle body so adding a spacer would be useless and provide zero benefit. Forget too their claims of "swirling" the air since even if it did, any swirling effect would be lost entirely by the time it got down the intake manifold and past the intake valves into the combustion chambers, all well below and far enough away that it has zero effect. Save your $$$. Besides, a Jeep Wrangler TJ is meant for offroading, not street racing with the local ricers.
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Old 06-30-2008, 01:03 PM   #5
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I put in a performance enhancing chip in Febuary just to see what I would get out of it. Ends up treating my 4cl pretty well. Idles at about 900rpms and I get a good boost when accelerating. My gas mileage has also improved, averaging about 24mi/gal
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Old 06-30-2008, 04:52 PM   #6
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Lol i like how Jerry is the only one that's against the computer chips.

I would only get a chip if you go the entire mile.. intake, bigger throttle body (not spacer) and a full exhaust.
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Old 06-30-2008, 05:02 PM   #7
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I've been running an Edge setup with the 62mm TB and the programmer for awhile now. I've had several different people rail on it in my rig and there is a marked difference both on the dyno and in the real world. We've messed with chips in the past just to see what they do and they do nothing except mess with your motor like Jerry suggests.

Honestly guys there is not a TON of stuff that can be cheaply and easily done to the 4.0 to gain a bunch of power. Your best bet is always going to be gearing.

Jerry, I'd beg to differ with you on the Edge. We've run mine on the scanner and it is not staying in Warm Up mode any longer than it does without it.
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Old 06-30-2008, 05:08 PM   #8
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Jack you missed boost and stroking

Do the math your self. Althought they are the most expensive boost, stroking and gearing will be your best power to $ ratio (at the wheels).
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Old 06-30-2008, 05:10 PM   #9
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Quote:
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Jack you missed boost and stroking

Do the math your self. Althought they are the most expensive boost, stroking and gearing will be your best power to $ ratio (at the wheels).
I didn't miss anything Trip. I said cheaply and easily. Boost and Stroking are neither unless you have the cash, the knowledge, or the friends that do.
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Old 06-30-2008, 05:12 PM   #10
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hehe well boosting is easy to do but requires quite a bit of money.
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Old 06-30-2008, 05:14 PM   #11
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hehe well boosting is easy to do but requires quite a bit of money.
Hense my look back in history where I said "cheaply and easily".
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Old 06-30-2008, 05:15 PM   #12
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Quote:
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Hense my look back in history where I said "cheaply and easily".
yeah man it sucks,.. cant win either way unless you get a supra

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