Discuss all Forced induction modifications for the Fit
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Auto manufacturers have to make sacrifices for the sake of emissions or mass appeal when building engines. When it comes to Honda’s L15, compromises were made with its spark plugs.
Read more about how high-performance spark plugs can increase the performance of your Fit at the link below!
Unless these plugs increase power on a NA fit, how is this a compromise by Honda. Honda engineers didn't pick spark plugs with forced induction in mind.
Good info for FI people though!
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Can't wait to sell my truck, so I can finally buy a fit!
Unless these plugs increase power on a NA fit, how is this a compromise by Honda. Honda engineers didn't pick spark plugs with forced induction in mind.
Good info for FI people though!
+1, i agree. no problems with detonation for the stock motor.
Unless these plugs increase power on a NA fit, how is this a compromise by Honda. Honda engineers didn't pick spark plugs with forced induction in mind.
Good info for FI people though!
They give about a 3% [~3hp] increase on an NA Fit. Cheap upgrade for both NA and FI Fits
Unless these plugs increase power on a NA fit, how is this a compromise by Honda. Honda engineers didn't pick spark plugs with forced induction in mind.
Good info for FI people though!
Actually, they did test it on an N/A Fit in front of serveral Fit owners at the Fit Meet they hosted. The stock plug baseline at 99WHP, and after the spark plug swap, it went up to 102WHP. Basically this is a relative cheap upgrade that will give you the same results as putting on an intake or exhaust.
Actually, they did test it on an N/A Fit in front of serveral Fit owners at the Fit Meet they hosted. The stock plug baseline at 99WHP, and after the spark plug swap, it went up to 102WHP. Basically this is a relative cheap upgrade that will give you the same results as putting on an intake or exhaust.
Awesome. Thanks for the info.
I saw on their site that it says increases power for both FI and NA fits, but it only showed a dyno for the FI. Good to know.
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Can't wait to sell my truck, so I can finally buy a fit!
Is the IK22 ok for use in an NA setup since it's a colder plug or were the NA tests done with the IK20 which is the Iridium OEM replacement? I'd assume you'd want to stick with the stock heat range plug in NA setups and the cooler plug is only needed when boosted.
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NHBP Fit Spørt 5mt bought 6-26-07 Debadged, Tinted and riding on Skunk2 springs. Fujita CAI & 2.5" CatBack Exhaust
Unless these plugs increase power on a NA fit, how is this a compromise by Honda. Honda engineers didn't pick spark plugs with forced induction in mind.
Good info for FI people though!
Honda must compromise emissions for performance. That is the compromise. You're right, it's not their job to pick forced induction friendly plugs. But we have tested these plugs on both NA and FI Fits and have seen gains in both. The largest gains will be seen in the boosted car, because spark quality becomes more important. But we tested the IK22s this past weekend at our Fit Meet on a NA Fit. We picked the highest NA HP Fit of the meet and installed them to see if we could improve upon even the best car, and we saw a 3% gain.
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Oscar, I just tried to order them on your website and the order form is not working properly. Couldn't do it.
Question 1 - is there a NGK equivalent you recommend?
Question 2 - do you sell them pre-gapped and what is the gap?
Thanks in advance.
S'Bus
I ordered this morning through the site to check it, and it seemed to work properly. Make sure you put the quantity at 1 (or 2 or 10 ) in the quantity box. Or call us, and our sales staff can help you out.
Q1- The IK22 is a NGK heat range equivalent 7. I recommend the Denso IK22 spark plugs.
Q2- The Densos are unique because they come pre-gapped for high performance engines. They are gapped at .8mm (.032"). NGK for example requires you to gap them down from 1.1mm. No fuss with the Denso.
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Is the IK22 ok for use in an NA setup since it's a colder plug or were the NA tests done with the IK20 which is the Iridium OEM replacement? I'd assume you'd want to stick with the stock heat range plug in NA setups and the cooler plug is only needed when boosted.
We only tested with the IK22 in the Fit. We don't carry the IK20 plugs and they would work fine in your car, but we have no data on performance gain. Stock heat range is made to perform in North Dakota cold and Phoenix hot, with high performance not being the top priority. For drivers that demand peak performance and drive their vehicles hard, the IK22 is the plug we recommend. Also, the IK22 spark plugs come with the tighter .8mm gap. The IK20 plugs have a 1.1mm gap standard.
-Oscar Jr.
__________________ Oscar Jackson Jr. KraftWerks Supercharger Systems Forced Induction Forum Sponsor
not all boost is created equal.
) in the quantity box. Or call us, and our sales staff can help you out.
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