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Nitrous pass hit rev limiter

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Old Aug 11, 2009 | 04:09 PM
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Default Nitrous pass hit rev limiter

Hey Guys I was at the track this weekend and I was using nitrous. A 100 shot. On my last pass I bouced off the rev limiter with the nitrous on. Can I cause any damage to my motor. It still seems fine. Can you guys tell me what to check for?, to make sure its ok? Its a 2001 c5 corvette. mods are vararam,LT headers, and nitrous 100 shot.
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Old Aug 11, 2009 | 04:37 PM
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below is what happened to me, although it was a dry shot. I was running a 300 shot and no window switch. I am pretty good at shifting a 6-speed so thought everything would be fine. Well I missed or bungled a shift and because it was still spraying it skyrocketed the RPMs and hit the limiter. This pulls fuel and when I got back into it I had a 7000rpm lean back fire. Luckly running a dry shot, the back fire was not bad enough to dislodge the fuel rails and cause a nasty fire. Moral of the story, and I should have practiced what i preach, lol, run all of the safety stuff at all times.



Robert
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Old Aug 11, 2009 | 05:58 PM
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holy crap! im deffinetly getting a window switch! so i should check my intake manifold for any cracks or holes?
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Old Aug 11, 2009 | 06:01 PM
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Look at your plugs. I did the same thing at the track a few months ago and I got lucky. It didn't hurt anything. I doubt you cracked the intake or anything else.
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Old Aug 11, 2009 | 07:24 PM
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yes, check your plugs and I guess you should check for hairline fractures on the composite manifold.

do you have a window switch and what is the kill rpm set to??? 6000? hopefully the solenoids closed
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Old Aug 11, 2009 | 07:33 PM
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thanks NXZ28, what am i looking for in the plugs? i hope im as lucky as you. I spinned in first and when i shift to 2nd i spinned hit the nitrous then spinned to the rev limit. bounced like twice and i let off imediatly. Im looking for a window switch rite now. any recomendations.
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Old Aug 11, 2009 | 10:17 PM
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HSW Microedge is a nice window switch.
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Old Aug 13, 2009 | 01:10 AM
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If you had a crack or a small hole your rpms would be idling higher than normal, so your prob fine.
Robert
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Old Aug 13, 2009 | 11:18 AM
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Thanks Robert. hey robert do you think its cool to plug in my window switch to the coil for tach signal. if so which wire is it?
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Old Aug 13, 2009 | 05:45 PM
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Depends on which WS, the HSw Microedge can use the coil pickup, others not sure? I always go to the PCM, but did do my last install at the rails (HSW).
Robert
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