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Old 05-12-2002, 02:43   #1 (permalink)
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Question higher revs

hey guys how would you get higher revs out of your car what would you need to do to your car????
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Old 05-12-2002, 03:17   #2 (permalink)
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more than what? the limiter? why do you want more revs? as most of the time the power is well and truely dropping by the time the limiter kicks in
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Old 05-12-2002, 03:23   #3 (permalink)
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Lightbulb mmm

yea do AU1 fairmonts have rev limitors and can you get rid of them???
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Old 05-12-2002, 03:28   #4 (permalink)
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Yeah, Au's do have rev limitors. I think they are around 6000rpm (not sure though). After about 5500rpm, power drops of very quickly, so you don't want any more revs than that.
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Old 05-12-2002, 03:30   #5 (permalink)
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The limiter isnt just fitted for the sake of fitting a limiter. Sure you can get it removed, rev your engine past the 5750 it was previously limited at and then brace yourself as the engine throws a leg out of bed and your front wheels get lifted off the ground as the piston punched the road.:crazy1:
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Old 05-12-2002, 04:51   #6 (permalink)
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Not to sure about you guys but my edxr8 does not have a rev or speed limiter that I have reached yet (it was an ex cop car as well) I have an auto and with the hardware changes I have mad to the engine and the use of an ebgt trans ecu The bloody thing doesn't change gear on the upshift until 6000rpm.
The other thing some of the yanks do to the speed limiter is put a switch on the engine ecu speed pickup signal input.
As for rev I thought the limit was at around 7200 rpm.
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Old 05-12-2002, 05:28   #7 (permalink)
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With head/intake mods on a V8 it can easily rev past 6000rpm. The stock ED XR8 with auto won't rev much past 5500rpm. I think the rev limit on the ED XR8 is around 6250-6500rpm. I would love to see 7200rpm with a factory bottom end.
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Old 05-12-2002, 05:29   #8 (permalink)
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More revs doesn't necessarily mean more power. IF it's an AU falcon Inline 6 where talking about maximum power is at 4900rpm , revving the engine over this is useless as you'll induce much more wear to your engine.

Theres valve bouncing first then a piston giving way is just around the corner going in the red zone.
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Old 05-12-2002, 06:20   #9 (permalink)
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I don't think you mean to exceed the engines max do you? What I guess you are asking is how to make it rev quicker? Is that right? 6 or 8 ????
Then the usuall extractors exhaust, induction, think of it as a compressor, the more air the more power and hopefully pulling power.Torque...A lower geared diff will help as well. If its not a T series it's quite possible to be 3.08 to 1... T series are either 3:27 or 3:45 or there abouts..So with slight mods the lower final drive exagerates the extra power making it more throttle responsive....
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Old 05-12-2002, 07:30   #10 (permalink)
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I wouldn't like to rev to 7200 either, I have read the internal programs of many six and eights and you would be surprised what kind of limits are in there. I can read the maps functions and scalars.
On the dyno mine was making peak power @ smack on 6000rpm with no drop off.
I also read somewhere else that critical mass point for these engines is around 8125 rpm but this depends on engine condition of coarse.
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