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

Project 12 Second N/A

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Old Apr 15, 2007 | 01:52 PM
  #11  
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Originally Posted by wildcardtrd,Apr 13 2007, 07:50 PM
ITB's will shed about 60 lbs from under the hood and add about 45-50 hp in the midrange...good for it's share in tenths off the quarter...

Plus they're the ultimate in N/A tuning
Last I checked they made 10-20hp midrange, no where near 50. I'd like to see a dynoprint out of your car (all the others seemed in the range I said, 10-20)

I beleive S2000nVegas and his stock/magical S has gone 12 sec many many times although no human being has seen it either in person or video. Check street encounters for more info.





If you get some drag radials that should help a good bit in your 60ft time which will help a lot in your final time. Downside being, your going to break an axle / tranny / diff after some runs because your going to have to drive like a MADMAN.
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Old Apr 16, 2007 | 05:30 AM
  #12  
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Originally Posted by Spec_Ops2087,Apr 15 2007, 04:52 PM
Last I checked they made 10-20hp midrange, no where near 50. I'd like to see a dynoprint out of your car (all the others seemed in the range I said, 10-20)








If you get some drag radials that should help a good bit in your 60ft time which will help a lot in your final time. Downside being, your going to break an axle / tranny / diff after some runs because your going to have to drive like a MADMAN.
There's been numerous dyno's of my car posted in the NA tuning threads, and in my ITB thread. At 6000 rpm, I'm sitting +40 hp and +37 ft/lbs of torque higher than I was stock.
Latest Dyno (green line, not the blue line, which was an old tune):

Comparo to stock:

bone stock:

Yes, different dyno's were used. If you want to use that in your arguement against my plots, know this...2 other AP1's with roughly the same mileage I had when I did my stock dyno also dyno'd the last time I did, and the results were the same...I was consistently up on them by 40-50 hp and 30-40 ft/lbs across the board (except down below 3k, where I started climbing), and peaked over 20 hp higher, all of us dyno'd on the same dyno dynamics at stage6 in Jacksonville.

Simply put, ITB's and a standalone are worth about 50 hp in the midrange, especially if you've got supporting mods. Other than the ITB's and the EMS and a test pipe, which felt like it did nothing, and showed no improvement on the dyno, my car is completely stock. No header. No exhaust. No flywheel, pulleys, gears, nothin.
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Old Apr 17, 2007 | 09:36 PM
  #13  
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Originally Posted by wildcardtrd,Apr 16 2007, 06:30 AM
There's been numerous dyno's of my car posted in the NA tuning threads, and in my ITB thread. At 6000 rpm, I'm sitting +40 hp and +37 ft/lbs of torque higher than I was stock.
Latest Dyno (green line, not the blue line, which was an old tune):

Comparo to stock:

bone stock:

Yes, different dyno's were used. If you want to use that in your arguement against my plots, know this...2 other AP1's with roughly the same mileage I had when I did my stock dyno also dyno'd the last time I did, and the results were the same...I was consistently up on them by 40-50 hp and 30-40 ft/lbs across the board (except down below 3k, where I started climbing), and peaked over 20 hp higher, all of us dyno'd on the same dyno dynamics at stage6 in Jacksonville.

Simply put, ITB's and a standalone are worth about 50 hp in the midrange, especially if you've got supporting mods. Other than the ITB's and the EMS and a test pipe, which felt like it did nothing, and showed no improvement on the dyno, my car is completely stock. No header. No exhaust. No flywheel, pulleys, gears, nothin.
its gotta be fun catching the FI guys by suprise, when it takes them a couple gears to just get away from you! Nates car is a sumbitch from a roll with that kinda mid-range.
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Old Apr 17, 2007 | 09:46 PM
  #14  
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to shed weight you could also go w/a BBK that saves about 30lbs
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Old Apr 17, 2007 | 09:58 PM
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Kinda hard to tell from looking at the graphs but I guess its around 30hp or so difference midrange which is def nice. Supporting mods definatly help them.

However its not 50 horsepower
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Old Apr 17, 2007 | 09:59 PM
  #16  
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Originally Posted by versionJDM,Apr 18 2007, 12:36 AM
its gotta be fun catching the FI guys by suprise, when it takes them a couple gears to just get away from you! Nates car is a sumbitch from a roll with that kinda mid-range.
Depends on the kind of FI
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Old Apr 18, 2007 | 06:43 AM
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if you want, I'll send you the dyno breakouts loaded into excel...you'll see that at 6000 rpm, and again from 7000 to 7200, I'm 40hp above stock. Before that, it's climbing, between that, it hovers around +35 hp, and after that, settles to about +30 hp peak.

I spent alot of time tabulating the data from my dyno sheets, as well as many others in the old NA thread. The numbers are there, whether you want to believe me or not
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Old Apr 18, 2007 | 06:45 AM
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Originally Posted by versionJDM,Apr 18 2007, 12:36 AM
its gotta be fun catching the FI guys by suprise, when it takes them a couple gears to just get away from you! Nates car is a sumbitch from a roll with that kinda mid-range.
S/C'd s2k's usually catch me while im shifting to 3rd...never run a turbo'd car, but I'd imagine I'd pretty much get killed...especially since 2nrwerks does most of the turbo'd applications here, and everything that's rolled out their doors is well over 400 rwhp
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Old Apr 18, 2007 | 09:07 AM
  #19  
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Originally Posted by wildcardtrd,Apr 18 2007, 06:45 AM
S/C'd s2k's usually catch me while im shifting to 3rd...never run a turbo'd car, but I'd imagine I'd pretty much get killed...especially since 2nrwerks does most of the turbo'd applications here, and everything that's rolled out their doors is well over 400 rwhp
Yeah but its still FI. Nothing comes close to the feeling of a highly tuned NA machine. Once you go turbo im my eyes, you just have a fast car and nothing else. What are you gona do with 400whp+ on the track or lets say the dragon.
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Old Apr 18, 2007 | 11:03 AM
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Originally Posted by ERL_S2000,Apr 18 2007, 10:07 AM
Yeah but its still FI. Nothing comes close to the feeling of a highly tuned NA machine. Once you go turbo im my eyes, you just have a fast car and nothing else. What are you gona do with 400whp+ on the track or lets say the dragon.
especailly with the unnatural powerband a turbo gives you. ya, its great for 40 rolls, but its funny you never see those guys on the circuts. even with my lowly NA setup i was able on our last MT. Baker run to push my car alot harder and for BRIEF periods even pull on the CTSC guys from certain corners. all because i can stay in the 6-9k range and be able to USE my power, wheras the big boys had to tip toe through then jump on it.


now, im not saying id never want an FI setup, but the true nature, the sould of this car is NA. like ERL said, NOTHING, and i mean NOTHING, is more fun and soul stirrung than a highly tuned NA machine.
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