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Old 10-23-2011, 02:02 PM   #1
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Just purchased a GForce performance chip but the installation instructions are VERY vague. Does not tell me which wire to plug into (granted, the wires on the chip are black and red) on the IAT/MAF sensor (wire colors are blackandblue, orange, and greenandorange)... I would assume the black wire from the chip plugs into the black on the MAF, and the red plugs into the green? Help please! This is on a 2002 TJ.

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Old 10-23-2011, 02:10 PM   #2
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Just my two cents, don't install anything that hooks up to either of those sensors. They are designed to the car run lean. Run from it.

By the way, how much was it?

I know this was not what you wanted to hear.

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Old 10-23-2011, 02:16 PM   #3
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$75 with shipping. Would you recommend anything else? What could happen if installed?
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Old 10-23-2011, 02:30 PM   #4
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Best case, nothing at all. Worst case a wrecked motor.

I know a lot about chips and tunes. Never heard of these guys.

I research more later.
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Old 10-23-2011, 02:32 PM   #5
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Quote:
Originally Posted by WaterDR
Best case, nothing at all. Worst case a wrecked motor.

I know a lot about chips and tunes. Never heard of these guys.

I research more later.
Ok thx
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Old 10-23-2011, 02:56 PM   #6
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The best advice I could give you is put it back in the box and return it. Spend that $75 on something useful.
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Old 10-23-2011, 03:22 PM   #7
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It's a complete bogus scam. Don't feel bad, many people get dooped by this stuff. Bogus all the way around. My guess is that this device simply does nothing at all.

If you took your jeep to a professional custom tuner, spent 600 bucks on a real dyno tune you might net a few hp, a little better mpg and that's about it which is why no one does it.

If you installed that chip and did a dyno pull before and after I doubt you would see any change at all. If anything, it may be tricking the maf and causing the car to run lean.

Get your money back.
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Old 10-23-2011, 03:34 PM   #8
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Old 10-23-2011, 04:01 PM   #9
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Yeah, sell it. I tune cars as a side job and these sensor tweakers are not safe, and won't make much if any power.
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Old 10-23-2011, 04:48 PM   #10
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Ok I'm going to return it, hope they stand by their money back guarantee. Thanks for the advice.
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Old 10-23-2011, 04:56 PM   #11
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Sounds good. Do not feel bad.

Btw, that thing is not a chip. Unless you are reflashing the ecu or installing a device to the ecu, it is just Tom foolery.
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Old 10-23-2011, 04:56 PM   #12
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Next up, devices that swirl air in the intake. Lol
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Old 10-23-2011, 06:36 PM   #13
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ohh return that BS asap, the gforce chip is the true market bs that makes a bad rep for any real upgrades. I took only a second for me to laugh when i saw their website.
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Old 10-23-2011, 06:57 PM   #14
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But to answer your question, it really does not matter where you tap it into on the IAT. The IAT is just a thermal resistor, basically.
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Old 10-23-2011, 06:59 PM   #15
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Here is a little something I did and its a lot cheaper!

Supercharger On The Cheap!!! - JeepForum.com
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Old 10-23-2011, 07:04 PM   #16
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Very funny. Don't tell him that.
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Old 10-24-2011, 08:35 AM   #17
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Dbbd1 what is the mod you did? Hit the link you provided, downloaded the app and that was it. You have me curious now.
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Old 10-24-2011, 08:57 AM   #18
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Quote:
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Dbbd1 what is the mod you did? Hit the link you provided, downloaded the app and that was it. You have me curious now.
He installed what appears to be a cooling fan from a computer over the air inlet on the air cleaner housing. Don't do it, it's just for laughs. lol
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Old 10-24-2011, 09:06 AM   #19
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Lol ok. Any chips out there that you guys approve of or are they all a farce?
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Old 10-24-2011, 09:36 AM   #20
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Farce. Same goes for CAI's.. Cash grab

Spend your money on useful mods and or recovery gear
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Old 10-24-2011, 02:08 PM   #21
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What types of mods do you recommend for power and or fuel efficiency?
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Old 10-24-2011, 02:21 PM   #22
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Power - get a V8

Efficiency - don't have a lead foot

It's a Jeep. You should also regear if you've gone to larger tires, that will regain some lost power and mileage.
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Old 10-24-2011, 06:45 PM   #23
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Hey Katman, let me help you with understanding a chip. I think there is a lot of bad info out there and I want to help.

A "chip" is essentially a device that makes programming changes to a car. The "changes" can be all sorts of things. They can be used to change shift points or firmness for auto transmissions, correct speedometers, advance spark, and adjust air/fuel ratios. The leaner you run, the more power you can make (to a point). But, running lean can make your car run too hot and burn a whole in a piston. Running rich is cooler and safer, but robs power. Cars are designed to find a happy medium from the factory.

A "real" chip will cost about $300 to $400 from a company live SCT or Diablo (the two best). They plug into the ECU.

There are also hand-held programmers or "tuners" and they vary in price but tend to cost more than a chip. They plug into the OBII and can be used to upload a program. They do the same as a chip, but they allow for user modifications. I have owned hand-held tuners (programmers) and chips with as many as 4 custom tunes. They have a dial that allow you to adjust the settings. Great for a car with nitrous, for example.

You can also buy computer programs that can be used to custom tune your own chip. They cost a lot more and are no way for a novice.

Chips can come with a mail-order tune or can be programmed on a dyno. The last is more effective, but you will spend about $200 to $300 for the tune. A customer tune with a chip will run about $600 and up.

On a stock Jeep, you will not see much, if any improvement. Higher performance cars like a Mustang, you might see 5 to 10 HP. I have seen plenty loose power too, but run better after spending that much money.

On a car with a turbo, you can have a bit more fun because you can make changes to the blow-off. On Diesel trucks, you can see large gains.

IF, you were to install a turbo on your Jeep, you would need a chip. IF, you were to install an after-market cam on our jeep, you would need a chip. IF, you were to do other significanht engine work like new heads with higher compression, you would need a chip. If you added nitrous, you would need a chip. None of these things I would recomend on a Jeep anyway.

Otherwise, they are paper weights. Anyone who says anything different is lying because they want you to buy one.

Cars today are already exceptionally tuned. Unless they have a problem, a chip won't net any power and if they have a problem, the problem should be addressed not with a chip.

Hope that helps.
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Old 10-24-2011, 08:06 PM   #24
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Wow a lot of info. I appreciate you breaking it down for me. Very helpful info.
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Old 10-24-2011, 10:11 PM   #25
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ya, I've got a CAI, headers, catback, enlarged 63mm Tb, and an electric fan but wouldn't get a tuner until I change the cam, port the heads/enlarged the valves, or supercharge it. Best mod i can think of at getting better MPG would still be smaller size properly filled tires. Although my other mods did improve MPG that is not why i bought em.
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Old 10-24-2011, 10:32 PM   #26
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You've got a lot to learn. Don't buy any parts for performance until you know how they work and why. Make sure you see proof of real benefit before spending money.

The fact that you did not immediately realize the little fan on the intake wasn't a real performance upgrade is a strong indicator that you need to BE MORE CAREFUL. Nothing wrong, just educate yourself

There are four stages of competence in everything:

1. Unconsciously incompetent - you don't know that you don't know. (you were here right up until you posted this thread)
2. Consciously incompetent - you know that you don't know. (you are now here)
3. Consciously competent - you know, but it requires active conscious thought to utilize the knowledge. (you are now able to enter this stage by reading/learning more)
4. Unconsciously competent - you know, and know it well enough that it's second nature to you. (someday, you'll be on the other end of this conversation, using your wealth of knowledge to help somebody else avoid losing money on useless stuff)

A good example is learning to drive a stick shift. When you first learn what a stick shift is, you move from step 1 to step 2. When you first begin to drive a stick shift, thinking about each movement, you're moving into step 3. Once you're able to drive a stick shift without thinking about shifting or clutching, etc, you're in step 4.

Regarding TJ performance:

Bolt on parts can actually extract a noticeable and useful amount of additional power from the 4.0. This is not true with all engines. The more modern their design, the less likely any add-on will increase power at all (unless it's a forced induction engine). For example, a new Toyota Corolla isn't going to go any faster with any bolt-on parts. But, engines like BMW's 3 liter turbo or VW's 2 liter turbo can have power significantly boosted with a tune and maybe a couple of bolt-ons.


For the Jeep 4.0:

Banks Power Stinger System, 4.0L
Or
Edge Products

Proof:
ROCKCRAWLER.com - Edge Trail Jammer for Jeep 4.0L

They dyno tested it. It gained 21 hp and 30 ft-lb at the wheels.

I have the banks kit and it definitely makes a difference.
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Old 10-24-2011, 10:37 PM   #27
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My neighbor bought one for his lexus. He thought at first it was makin a difference but now he thinks just maybe a little more get up but no mpg savings. We bought on for my liberty i used to have. We never even installed it becore i traded it in for my jku. They gforce company said they would only exchange it. BAD COMPANY. SCAM.
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Old 10-24-2011, 10:56 PM   #28
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That banks system involves a lot more than just a chip. You will pick up 0 to 2 hp perhaps with an exhaust upgrade but I suspect most of that hp improvement is WAY overstated and likely comes from making the car run more lean.
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Old 10-24-2011, 11:39 PM   #29
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Quote:
Originally Posted by Katman19 View Post
What types of mods do you recommend for power and or fuel efficiency?
For power: swap motors, a fuel injected V8 is a good plan. 6.1L HEMI should do it.

For fuel efficiency: ride the bus, or sell the jeep and buy a prius.

it's a brick pushed by a hampster, with the aerodynamics of a barn. live with it or sell it and buy something that suites your needs better.
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Old 10-24-2011, 11:58 PM   #30
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Mmm Placebos.. Yum

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