S2000 Under The Hood S2000 Technical and Mechanical discussions.

Over-revving In Neutral

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Old Jun 23, 2006 | 09:39 PM
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From: Evansville, IN
Default Over-revving In Neutral

Hey guys. Im new to s2000's as I just picked mine up a week or so ago. Its a '01 with around 25k miles, doctor driven. Well tonight my friends and I went cruising and one of my friends lined up with me and wanted to race just for fun cause he knew I'd smoke him. Well I let him have bout a second or two, didn't launch, and gettin ready to blow by him at the top of first. Still gettin used to the gearbox and accidentally shifted into neutral . Not noticing i floored it and saw the flashing redline and the rev's bouncing. Went on for about a 1 or 1.5 seconds before i put the clutch back in. Scared me so bad, specially after searching and reading some of the stories about overrevving on here so far. Im just wonderin, since I was in neutral, is it likely that something went wrong or got messed up? The engine ran just fine afterwards tho. I didnt push it at all tho, even though a guy in an explorer tried to race me . Thanks alot guys, just need some reassurance from the experts im gonna be ok.
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Old Jun 23, 2006 | 09:42 PM
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Nope there will be no major problems, but why did you hold it there so long?
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Old Jun 23, 2006 | 09:48 PM
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Originally Posted by s2000owner,Jun 23 2006, 09:42 PM
Nope there will be no major problems, but why did you hold it there so long?
Well I thought I was in second for like half a second till it started bouncing. When i clutched in to shift the rpms dropped down to bout 6000-6500 so it took alil bit for it to get back up to redline. Mighta been less than a second tho, seemed like forever tho i was so scared . Any possibility of damage happenin down the road or minor problems?
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Old Jun 23, 2006 | 09:51 PM
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you are fine , relax.
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Old Jun 23, 2006 | 11:57 PM
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over revving is a term commonly mis-used.

over revving means you were in 3rd gear, tried to shift to 4th, but landed in second, causing a mechanical overrev that the ecu cannot prevent.. at that point your motor would be up at 11,000+ rpm... that can be catastrophic.

what you did is simply hit the rev limiter. .which is there to prevent you from overrevving thereby causing damage.

your car is fine.
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Old Jun 24, 2006 | 12:31 AM
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This is no overrev, it's just the rev limiter that came into action to prevent overrev's. Only in situations when the rev limiter cannot do it's job due to the wheels turning and you shifting into a wrong (too low) gear forcing the engine to go beyond the max revs you can cause a mechanical overrev, otherwise the rev limiter will prevent an overrev.
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Old Jul 11, 2006 | 09:43 AM
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yep u should be ok! =]
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