S2000 Under The Hood S2000 Technical and Mechanical discussions.

car dynoed, super low number

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Old 12-11-2004, 07:25 PM
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#1 cools much quicker than the others so it's pretty tricky to get an accurate number. The Helms manual states max variation of 28 psi.
Old 12-12-2004, 10:12 AM
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Originally Posted by s2kboy03,Dec 10 2004, 06:17 AM
ya 170rwhp sounds quite low for a s2k..mine dyno'd 210-215 rwhp modded and stock s2k's in vancouver dyno around 190rwhp on a dynojet and a stock 350z dyno'd 220ish rwhp on the same dyno...so the 350z dynoing 220 rwhp sounds right...i think u should check your car
My 350Z dynoed at 245 rwhp then I put headers in it and now it dynoed at 255 rwhp
Old 12-12-2004, 10:14 AM
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oops
Old 12-12-2004, 06:36 PM
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Originally Posted by revto9k,Dec 7 2004, 01:36 AM
but I got at least 50 less horsepower then I am supposed to get. add in the correction I am still only getting 180.
You have it backwards. The DynaPack gives HIGHER numbers than DynoJets. You would need to subtract the correction. If these numbers are correct, theny you would have gotten significantly LESS on a DynoJet.
Old 12-12-2004, 08:49 PM
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Originally Posted by twelv,Dec 12 2004, 11:12 AM
My 350Z dynoed at 245 rwhp then I put headers in it and now it dynoed at 255 rwhp
thats some nice #'s u got there...maybe done on a dyno pack?? well here in vancouver stock 350z dyno around 225ish rwhp on a dynojet....and a buddy of mine 350z i/e dyno'd 236 rwhp at most and it was dyno'd on same dynojet as my car was dyno'd on...that time i got 210rwhp with i/e/testpipe/vafc..and stock s2's dyno at 187-190ish rwhp on same dynojet
Old 12-12-2004, 11:01 PM
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my Altima stock 190fwhp modded 235 fwhp with a 75 shot of nitrous 325 fwhp.

so I am going say that I am lucky and my 350Z is a factory beast.
Old 12-13-2004, 06:34 AM
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Originally Posted by s2kboy03,Dec 12 2004, 11:49 PM
thats some nice #'s u got there...maybe done on a dyno pack?? well here in vancouver stock 350z dyno around 225ish rwhp on a dynojet....and a buddy of mine 350z i/e dyno'd 236 rwhp at most and it was dyno'd on same dynojet as my car was dyno'd on...that time i got 210rwhp with i/e/testpipe/vafc..and stock s2's dyno at 187-190ish rwhp on same dynojet
Odd. Is Canadian horsepower different from US? Here's a dyno day we did early last year. Four 350Zs participated, with readings of 233, 237, 239 and 241 hp. This is on a Dynojet machine.

Most stock S2000s I see dyno around 200rwhp on Dynojets.
Old 12-20-2004, 04:13 PM
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If you want to see some Dynapack plots check out my site:
www.holyrollerdyno.com
Old 12-22-2004, 08:47 AM
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What does a bone stock S2k dyno at on Dan's (Godspeed) dyno?
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