Over rev
Race Director
Joined: Apr 2000
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From: Texas
I Love My C7
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From: Go Bucks!…
2024 C7 of the Year Finalist - Unmodified
2023 C7 of the Year Finalist - Unmodified
Melting Slicks
Joined: Jun 2019
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From: near philly
Tech Contributor
Joined: Oct 1999
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From: Charlotte, NC (formerly Endicott, NY)
Hitting 3rd when trying to shift from 4th to 5th at 6400 rpm can cause the engine to rev to about 7900 rpm. However, the sudden deceleration usually throws the driver forward before they can remove their foot from the clutch, so some of the time the rpm doesn't reach that high because the driver's foot disengages the clutch as the body is thrown forward, even with a full 6-point harness in place. There is usually some initial rear tire slippage that helps limit the rpm increase. A money shift at that speed can result in more than a damaged engine. It can mean a totaled car and/or a trip to the hospital if the car spins into an obstruction at a triple digit speed.
Bill
Bill
Race Director
Joined: Apr 2000
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From: Texas
Regardless, the C7 does not count the number of times someone misses a shift or bangs the limiter and that's what the OP was asking.
Melting Slicks
Joined: Jun 2019
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From: near philly
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Instructor
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From: Renton, WA
Team Owner
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St. Jude Donor '13
They do. It’s available in GDS2. I had to track it down a few weeks ago, I got real lucky on a 4-7-4-3 shift and got the clutch in on time, but I was about to rip the valve covers off to check the springs until I figured I’d check in the tool just in case. It’s in the engine ECU section. Titled RPM Peak history or something similar.
Race Director
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Yes, and no.
Yes part, that several of the modules (lets call them black boxes) are recording such each time that you can pull down with GM software in the case of a crash,
and you can data record on track with some after market programs on the OBDIi port with its prt device, to have that information each track event as well.
While no, since no simple button push(s) to get that feed back/count easily for end user instead.
Yes part, that several of the modules (lets call them black boxes) are recording such each time that you can pull down with GM software in the case of a crash,
and you can data record on track with some after market programs on the OBDIi port with its prt device, to have that information each track event as well.
While no, since no simple button push(s) to get that feed back/count easily for end user instead.
Race Director
Joined: Apr 2000
Posts: 15,344
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From: Texas
I'll be interested to see what this looks like since there's the "oh ****, missed a shift" and then there's "banged the rev limiter" trying to grab that last mph. In particular is there any differentiation between the two.
Instructor
Joined: Nov 2024
Posts: 110
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From: Renton, WA
it doesn’t show banged the limiter, it shows oh **** I put a window in it.
