S2000 Talk Discussions related to the S2000, its ownership and enthusiasm for it.

fi vs na

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Old Aug 10, 2009 | 12:09 AM
  #1  
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Default fi vs na

so i have the option of getting a comptech supercharger and id probably run around 350whp or whatever i can get running 9-10psi. i always love all motor builds and the touge cars are usually n/a. this is my daily driver but i do like to use this car to its potential so maybe boosting wouldnt be a good idea cause opening it up a couple times a day will probably break something quick. i do want a noticable ammount of power in the higher gears though. throttle response is important but i dont think id have to worry about that with a s/c. what do you guys think is better in my situation cams and ems or s/c?
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Old Aug 10, 2009 | 12:12 AM
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I would go with some gears if you want to stay n/a
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Old Aug 10, 2009 | 12:35 AM
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i really dont want to lower my top speed
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Old Aug 10, 2009 | 01:01 AM
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Cams don't do anything for our cars really. Search for the official cams thread; I would go withe the Supercharger.
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Old Aug 10, 2009 | 02:52 AM
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i say go with the supercharger & keep the stock pully
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Old Aug 10, 2009 | 04:54 AM
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FI ftw
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Old Aug 10, 2009 | 10:05 AM
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Originally Posted by 21k,Aug 10 2009, 04:35 AM
i really dont want to lower my top speed
why? Do you hit it often or drive on a track with a really long straightaway?
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Old Aug 10, 2009 | 10:14 AM
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I would go SC even using it for DD.
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Old Aug 10, 2009 | 10:43 AM
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I'd say supercharge it. get a lighter flywheel to help compensate for the added resistance. you'll need a clutch anyway to hold the power, so that should be an easy deal.

if you want to spin tires in 1st gear, you'll break the differential pretty quick, but you can upgrade that if it's worth the money to you. otherwise, it's very rare to hear any CTSC owners posting about unexpected things breaking. i can't remember any.
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Old Aug 10, 2009 | 10:57 AM
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Import Tuner did an article about building an all motor F20. They stroked it to 2.3, upped the c/r to 12.5:1 (which probably means 102 octane), cammed it, polished the heads etc...and all they got was 297whp. If you're shooting for 350whp you're better off with FI.
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