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Old 04-10-2008, 09:28 AM   #1
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Wink computer chip

Dear Jeepers

I have installed borla back kit and headers with K&n cold air intake, split fire spark plug and I have removed the catalytic converters... Now Iím thinking of installing hypertech chip do you think that I need to but back the catalytic converters then install the computer chip or install it without it ( the check engine in appearing with me).

What is your suggestion?

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Old 04-10-2008, 09:43 AM   #2
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I hate to be so blunt but I'd get rid of the Splitfires and K&N cold air intake. Split Fire spark plugs are nothing more than a poor quality spark plug that is way overhyped (snake oil) in that it does NOT improve performance unless the plugs it replaced were completely worn out. And the K&N filter itself is going to allow that fine desert sand, dust, and silica in your area to flow right past it. The K&N air filter is notorious for letting the fine stuff past it and widely known tests of the K&N air filter that compare it to 8-10 other air filters have proven that.

Hate to be so negative but I wouldn't have either of those on my TJ.

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Old 04-10-2008, 10:13 AM   #3
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2x on Jerrys advice. I woudlnt get rid of the intake pipe though as it flows much better than the stock ribbed pipe with many many sharp bends. I'd look for a better filter with a cover over it. I'm now looking for a small factory box with paper filter from some vehicle and then use a duct leading out of the engine compartment for colder air.


The splitfires are crap. The reason why they say they are better is "because you get the 2 sparks"... such a load of crap. Electricity doesn't work like that. It looks for the shortest less resistant route to ground. Same goes for the Platinum plugs with multiple prongs. Its all snake oil. We are all happy with our champion plugs.
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Old 04-10-2008, 11:34 AM   #4
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x3 K&N sucks. They have a higher airflow because the holes in the filter are so big.
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Old 04-10-2008, 10:00 PM   #5
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Originally Posted by Jerry Bransford View Post
And the K&N filter itself is going to allow that fine desert sand, dust, and silica in your area to flow right past it. The K&N air filter is notorious for letting the fine stuff past it and widely known tests of the K&N air filter that compare it to 8-10 other air filters have proven that.
The previous owner of my LJ put a drop in K&N filter in the factory box. Is it just as bad as the full FIPK set up? If so,what should I replace it with?
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Old 04-10-2008, 10:33 PM   #6
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Quote:
Originally Posted by oldgus View Post
The previous owner of my LJ put a drop in K&N filter in the factory box. Is it just as bad as the full FIPK set up? If so,what should I replace it with?
yup its just as bad. it uses the same fly trap net material. Get a stock paper filter.
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Old 04-11-2008, 02:44 AM   #7
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Personally I would go with the Volant Cold air intake, or S&B cold air intake. They both have a box design so there's less chance of sucking in water/mud while wheeling. They both seem to have a lot of good reviews. S**Tfire plugs are just that way over priced for the about the same spark as regular plugs. Want better spark upgrade to coil pack ignition system or high voltage system then you can run larger gap on the plugs for bigger spark and better combustion.. As far as the Cats. switch to high flow. This will help keep emissions down (if you do emissions testing where you are) and help keep Check engine light from staring you in the eye. Another alternative is O 2 sensor replacement that send the ECU the proper signal so you can run no cat's and keep the check engine light off. The key thing here is if the check engine light is on the engine may be running in open-loop mode there for you wont see the performance gains promised by the chip you want to put in.
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Old 04-11-2008, 06:22 AM   #8
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Originally Posted by Wrangler_oman View Post
Dear Jeepers

I have installed borla back kit and headers with K&n cold air intake, split fire spark plug and I have removed the catalytic converters... Now Iím thinking of installing hypertech chip do you think that I need to but back the catalytic converters then install the computer chip or install it without it ( the check engine in appearing with me).

What is your suggestion?
WranglerOman... It's been a while since you have been on the board.. How you been bud?

The chip is a waste of money...save it for gas.
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Old 04-11-2008, 04:21 PM   #9
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The chip is a waste of money...save it for gas.
In that case i assume you should have the chip on ur rig then?
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Old 04-11-2008, 04:56 PM   #10
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Originally Posted by Triple88a View Post
In that case i assume you should have the chip on ur rig then?
Most of those of us who have had them would say that, yes, they're a complete waste of $$$... certainly me included.
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Old 04-14-2008, 07:22 AM   #11
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In that case i assume you should have the chip on ur rig then?
Nope, I do not have one... Until I see a dyno sheet from a certified 3rd party, I won't even consider it. Anyone can claim performance increases, I want to see proof.

There's many ways of learning: Making your own mistakes is the hardest way. Watching other people make them is much easier. Osmosis also works....soak up on the facts... There is no 3rd party unbiased "certified testing" for these items. Show me a dyno report from a certified testing company with build specs and I would consider the benefit. I lived in Missouri for a couple of years..you're going to have to show me the proof.

I'm not anti-technology... I've run chips and intake systems on some of my cars and have seen direct benefits in throttle response and hp gains. The chips and induction systems were proven and pre-certified on a dyno.

Some engines will simply not benefit from these devices. You need to spend a lot of money in the mechanical area to improve the 4.0L...(check the stroker motor mechanical specs)

Nothing but snake oil...
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Old 04-14-2008, 08:24 AM   #12
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I met a guy this weekend who installed the Edge Trail Jammer on his TJ. He said on the trail there was no difference but on the road it was a very noticeable difference.
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Old 04-14-2008, 05:18 PM   #13
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I'm just curious, any one have any idea how much a dyno run costs?
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Old 04-15-2008, 06:18 AM   #14
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It's been a few years since I've run a car on a dyno. They have one at the ALL Ford's Nationals here in Carlise. I believe they charged me $30.

I'm sure you can find one in Chi-Town somewhere. Just look for performance shops on-line or in the yellow pages. You can ask any aftermarket part suppliers and I'm sure they find one for you.

If you intend to dyno your Jeep, I would suggest multiple runs (without the chip) to baseline your engine. Change the chip and pull a few more runs to get an average.
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Old 04-17-2008, 06:58 AM   #15
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HEY MOz
WELL I WAS OUT OF MY COUNTRY FOR A TRINING COURSE I,M BACK TO BUSINESS NOW
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Old 04-17-2008, 07:01 AM   #16
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Well Thank You Guys .. I Was Wodering To Put It Or No
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Old 04-17-2008, 07:03 AM   #17
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jbone03

THANK ALOT .. I WILL TAKE YOUR ADVICE INTO ACCOUNT
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Old 04-17-2008, 10:18 AM   #18
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If i have it in my hands i'd put it in and see if it makes a difference in mpg.
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Old 04-17-2008, 10:34 AM   #19
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A chip CERTAINLY isn't going to improve fuel economy without creating other problems. What, does anyone really think it's that easy to get better fuel economy and that Jeep wouldn't have done so already if it were that easy? All the US car manufacturers are under enormous pressure to improve their fleet fuel economy averages and you can bet all the easy stuff was done long ago.
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Old 04-17-2008, 10:36 AM   #20
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Jerry, dont you know the little resistor from ebay improves mpg by 30%? jeez hehe

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