JDM Tuning Expert advice and discussion on JDM tuning for your S2000.

the Official "NA Tuning" thread

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Old Jan 4, 2007 | 04:41 PM
  #3351  
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Originally Posted by BlownAP,Jan 4 2007, 02:47 PM
Ask Ruben (HvRRz) he had the toda flywheel in his Ap2, im sure he can chime in
I believe Toda is the lightest and non-resurfaceable(sp?).
Old Jan 5, 2007 | 07:01 AM
  #3352  
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I had the toda flywheel on my S and it performed well with no problems. The car felt a lot more free throughout the rev range, and performence felt great. Some people warned me to fear loosing some top end steam, but that was not the case. My top end was also improved with the flywheel. There was a bit of shatter heard, but after some time of break in it was very minimal and unnoticable. That is pretty much all I can say about it from my experience.

I believe toda and fidanza are both 8lbs and the lightest mad for the S.
Old Jan 5, 2007 | 10:39 AM
  #3353  
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what A/f's should i shoot for guys? Im going to be tuning the VAFC II.

I just installed a fresh filter in the Wideband, and Im going to do a baseline in about an hour, then start tuning.
Old Jan 5, 2007 | 10:45 AM
  #3354  
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Originally Posted by BlownAP,Jan 5 2007, 02:39 PM
what A/f's should i shoot for guys? Im going to be tuning the VAFC II.

I just installed a fresh filter in the Wideband, and Im going to do a baseline in about an hour, then start tuning.
Good luck!
Old Jan 5, 2007 | 10:53 AM
  #3355  
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Originally Posted by FF2Skip,Jan 5 2007, 11:45 AM
Good luck!
Thanks, this is just going to be fuel tuning on a stock car, minus the crankvents, and hondata IMG, K&N drop-in.

I wasnt able to get the exhaust made. it will be made next week. Its alright I have access to a dynojet 7 days a week so tuning will not be a problem.

again, any advice on A/F's I know 13.5 -13.8 is about the max you want to lean it out, but where in the RPM? dont want to lean it out too much where the ECU has maximum Timing....
Old Jan 5, 2007 | 11:55 AM
  #3356  
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Originally Posted by BlownAP,Jan 5 2007, 11:53 AM
Thanks, this is just going to be fuel tuning on a stock car, minus the crankvents, and hondata IMG, K&N drop-in.

I wasnt able to get the exhaust made. it will be made next week. Its alright I have access to a dynojet 7 days a week so tuning will not be a problem.

again, any advice on A/F's I know 13.5 -13.8 is about the max you want to lean it out, but where in the RPM? dont want to lean it out too much where the ECU has maximum Timing....
man, i wish i worked at KN, i be on the dyno during my lunch hour every day!
Old Jan 5, 2007 | 03:56 PM
  #3357  
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Man, this is harder than i thought, i figured fuel tuning wouldbe a snap.


this is definatly going to take a couple hours to dail in, but iv alread seen +8 hp from 8200 rpm on.
Old Jan 5, 2007 | 04:22 PM
  #3358  
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Are you doing the tuning by yourself?
Old Jan 5, 2007 | 04:25 PM
  #3359  
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Originally Posted by clawhammer,Jan 5 2007, 05:22 PM
Are you doing the tuning by yourself?
Yuuup
Old Jan 5, 2007 | 05:13 PM
  #3360  
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Originally Posted by Silver9k,Jan 4 2007, 08:29 PM
I have a Comptech flywheel...I've have not had any issues, but like others, that is as much as I know. The Comptech Flywheel is 9lbs I believe, 7lbs lighter then stock. I have been running it for nearly 40k miles
I think the CT is actually just over 10 lbs. Stock flywheel is 13 I believe.



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