IS F (2008-2014) Discussion topics related to the IS F model

RR Tune with oem gutted header

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Old 05-25-16, 10:56 AM
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Edgarc711
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Default RR Tune with oem gutted header 12.3@114mph

Hey everyone, I'm new on here and i just have a question regarding this tune from RR Racing i purchased.

Before the tune, I ran a 12.6@112mph with k&n intake and borla exhaust on oem wheels and street tires.

After the RR Racing tune and gutted oem header and a square setup of 18x8 motegi track light wheels that weight 18lbs each. 265/35r18 tire. i ran a 12.3@114mph. 1.8 60ft

All runs were made at night in 50 degree weather and i let car cool for 20 mins with the hood open before each run. The car was parked right at the starting line. I would start the car and make a pass immediately after the intake felt cold to the touch.

Is a 12.3@114mph respectable after a tune on oem gutted headers?

2008 IsF 85k miles

Last edited by Edgarc711; 05-25-16 at 06:12 PM.
Old 05-25-16, 10:58 AM
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liquidtek
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Everyone is going to want to know what your DA was when you ran
Old 05-25-16, 11:07 AM
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Edgarc711
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The track is in Morocco Indiana with an elevation of 696 feet. What would be the da?
Old 05-25-16, 11:11 AM
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idoke1
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You did pretty good with gutted oem headers. Your 60 ft times are awesome.
Old 05-25-16, 11:31 AM
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semnosNSX
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I would try to compare apples to apples and put your OEM wheels back on for a pass. Your first run was with I/E on stock wheels. Your second run you added a tune but then changed your wheels to more of a track setup. It's hard to tell how much the tune helped because we don't know if it was the tune or the wheel change that yielded the better time. Great 60 foot number by the way!
Old 05-25-16, 11:41 AM
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Edgarc711
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I sold oem wheels with bald tires

I had intentions to drag the car before the tune but with the lighter wheels and gutted header but i had friendly competition with a modded scat pack charger and e85 evo 10. So i got the tune and banged them both lol twice each lol. F Nation
Old 05-25-16, 11:53 AM
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PearlIS
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Originally Posted by Edgarc711
Hey everyone, I'm new on here and i just have a question regarding this tune from RR Racing i purchased.

Before the tune, I ran a 12.6@112mph with k&n intake and borla exhaust on oem wheels and street tires.

After the RR Racing tune and gutted oem header and a square setup of 18x8 motegi track light wheels that weight 18lbs each. 265/35r18 tire. i ran a 12.3@114mph. 1.8 60ft

All runs were made at night in 50 degree weather and i let car cool for 20 mins with the hood open before each run. The car was parked right at the starting line. I would start the car and make a pass immediately after the intake felt cold to the touch.

Is a 12.3@114mph respectable after a tune on oem gutted headers?

2008 IsF 85k miles
Sorry for the off topic but how does it sound with the gutted stock headers? Any video's you would like to share?
Old 05-25-16, 12:09 PM
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Edgarc711
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Not my best run showing
Old 05-25-16, 01:22 PM
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PearlIS
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Wow, that sounds aggressive. Really surprised on how much louder it is. Sounds really good.

Still have a resonator and secondary cats?
Old 05-25-16, 01:41 PM
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Edgarc711
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Secondary cats got deleted with the borla cat back. I still have borla resonator but replaced the borla mufflers with straight pipes.
Old 05-25-16, 01:54 PM
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Drok149
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You can use drag times.com DA calculator to get the exact DA for the track you were on. Assuming your DA is around 0 that time is pretty respectable with your mods. Do you bounce each gear off the rev limiter when you shift? That technique has yielded me my best results as well as others who have run 11.9 @119+.
Old 05-25-16, 02:53 PM
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Edgarc711
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When it did bounce off the rev limiter, i had a slower time. My car has 85k miles and i pulled out 1 spark plug and it did look over due for a change. Would getting a colder plug help? I just feel the car should have went quicker with the tune...??
Old 05-25-16, 02:56 PM
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calteg
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What tires?
Old 05-25-16, 05:42 PM
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MWIS350
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12.3 is a good run.
Old 05-25-16, 05:51 PM
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Ltaboso
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Wow your car sounds mean!


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