Max Rev limit for a FI car?
09-25-2001, 02:01 PM
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Max Rev limit for a FI car?
im trying to build my street warrior. and i was wondering what would be the max i would want to rev out to. currently im running spoon cams and a ITR head. im debating on what valve springs to get either JUN or Toda? thanks to all who reply
09-25-2001, 03:45 PM
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Re: Max Rev limit for a FI car? (WykidEG6)
On a FI car, there isn't any real need to rev beyond 9000rpm. And keep in mind the higher you rev the more stress there will be..which means more problems and more money. I am gonna upgrade my valve springs and retainers very soon, but I'm still only gonna rev to 7k. I'm only upgrading my head in case i misshift at the track..or for the dyno to see how well my turbo flows.
09-25-2001, 07:42 PM
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Re: Max Rev limit for a FI car? (PureTeg420)
Put it on the dyno and see where it stops making or starts losing power. That is how high you rev too.
[Modified by Blown90hatcH, 8:42 PM 9/25/2001]
[Modified by Blown90hatcH, 8:42 PM 9/25/2001]
09-25-2001, 07:52 PM
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Re: Max Rev limit for a FI car? (Blown90hatcH)
i know people power over 9k or so on the track so they rev to to 9.5k... it has a lot to do with if u are still making power though
09-25-2001, 10:44 PM
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Re: Max Rev limit for a FI car? (BoostinDC2)
RPM = Ruins Peoples Motors. I would say no need to rev past 9k. You know, they say that the internals of a super high reving (10-11k) N/A motor see's far more stress (pistons and rods included) then a high boost (more then 12psi) motor due to the speed of the moving parts making more stress then the explosiveness if boost. Just something to think about.
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09-26-2001, 06:20 AM
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Re: Max Rev limit for a FI car? (ek9t)
i rev over 12k in the race motor but ofcourse thats where all the pwr is. if you check on the dyno i will pull hp from 6k rpm - 10k rpm and per the graph it seems to still pull after that. Really the safe way to rev a turbo motor is to make sure you have the valve springs and retainers all checked out. Make sure they are high quality and made for boosting.
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