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Aj's thread on N/a modifying (a long post)

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Old Aug 3, 2009 | 11:50 AM
  #11  
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Originally Posted by Ajs_s2k,Aug 3 2009, 08:32 PM
Not really mate, mase mapped Dave.B's car which had a better intake, good dual exhaust, AEM ECU, tracysports ts-02 manifold and it made 212WHP.
I know I was there when DaveB's car was mapped and so was eSem. My cars Dyno reading was off the same Dyno but on a different much cooler day. I don't think with the mods you have you would get those figures, that or my Dyno reading was low
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Old Aug 3, 2009 | 11:52 AM
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On and for the record DaveB's car was using a mugen intake and a toda dual exhaust
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Old Aug 3, 2009 | 11:54 AM
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Originally Posted by Sti Vi,Aug 3 2009, 08:50 PM
I know I was there when DaveB's car was mapped and so was eSem. My cars Dyno reading was off the same Dyno but on a different much cooler day. I don't think with the mods you have you would get those figures, that or my Dyno reading was low
Maybe not on that dyno

I need to scan this sheet in, so I'll see at work tommorow .

Its a funny old thing this dyno, which i why you cant really compare them.
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Old Aug 3, 2009 | 11:54 AM
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Originally Posted by Sti Vi,Aug 3 2009, 08:52 PM
On and for the record DaveB's car was using a mugen intake and a toda dual exhaust
MUST RESIST the mugen intake
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Old Aug 3, 2009 | 12:01 PM
  #15  
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Originally Posted by Ajs_s2k,Aug 3 2009, 08:54 PM
Maybe not on that dyno

I need to scan this sheet in, so I'll see at work tommorow .

Its a funny old thing this dyno, which i why you cant really compare them.
It was on the same Dyno as DaveB's car and my dyno day it was freezing cold. The theory you have that colder days produce higher figures only rings true if the same parameters are uploaded into the dyno. Realistically the only chance you have to show gains on your car AJ is to Dyno it on the same day and dyno with a stock S2000, as our Dyno showed a difference with the different degree of modifications. My A/F ration was much more stable and some of the other cars ran lean. Also my power band continued to all the way to 9000rpm where the non modified ECU cars all dropped away at 8300rpm.
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Old Aug 3, 2009 | 12:13 PM
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Originally Posted by Sti Vi,Aug 3 2009, 09:01 PM
It was on the same Dyno as DaveB's car and my dyno day it was freezing cold. The theory you have that colder days produce higher figures only rings true if the same parameters are uploaded into the dyno. Realistically the only chance you have to show gains on your car AJ is to Dyno it on the same day and dyno with a stock S2000, as our Dyno showed a difference with the different degree of modifications. My A/F ration was much more stable and some of the other cars ran lean. Also my power band continued to all the way to 9000rpm where the non modified ECU cars all dropped away at 8300rpm.
Yeah i know that, thats fairly obvious but fair do's i agree, we can only speculate but to go the far end of fart then you'd need the same oil, plugs etc etc etc. My mate had a standard red s2000 on a while back but he cant remember the figures.

He going to have a look for me tommorow though the records but he reckons it was the similar to mine stock, but the condition will be likely be different apart from that one s2000 no others have been on apart from kitcars with F20C engines in.

At the end of the day the car has shown an marked increase, not just by the figures but drivablity and response.

We all know how tango's car 'mugen ™' car performed, i believe it was hot but it didnt peform that brilliantly
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Old Aug 3, 2009 | 03:20 PM
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Good write up AJ!

Dyno's are worse than women for causing arguements!!
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Old Aug 3, 2009 | 03:29 PM
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Nice work Adam
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Old Aug 3, 2009 | 06:27 PM
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Well I have similar mods to AJ.

HKS Manifold, Fujita CAI, 70mm T1R exhaust, decat, ECU (That isn't programmed )

On the NW meet just gone, I was following a couple of Standard S2000s for about 3 hours.

Mid range rpm 4500-6200 - the standard car pulls away.

6500 onwards I was just reeling the other cars in.

Now I know my car is lighter, ~1200kg, but even when I was 2 up, it was still the case.

The exhaust is definitely more freeflowing than a standard system that's for sure.

I'm confident of having a good wedge of under curve power added with the tune too.
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Old Aug 3, 2009 | 11:30 PM
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Will I'll throw my figures in (all rough and from memory).

Stock (ish) JDM ~ 185whp
+ Single exit, De-cat ~ 190whp
+ VAFC ~195whp
+ SC (6psi) ~240whp
+ AEM, RC's, 9psi ~315whp

I started dyno'ing out with the Spoon clutch setup (flywheel etc).

A mappable ECU seemed to be *the* gadget for getting the best results. Only so much you can do without the ability to fine tune.
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