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[VIDEO] Why Did I Crash - Episode 2

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Old 01-19-2019, 01:15 PM
  #41  
Poor-sha
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Episode 3 is live, this week it's T17 at VIR and a C7 GS. Thanks as always to the driver that provided the data.
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Old 01-19-2019, 07:38 PM
  #42  
Mad Dog 24
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Bill good to here your car is back ! Question did you feel any difference with the GM Mag update form stock? I think I'm the only track guy that has not done it yet for fear of upsetting my very comfortable car on the track. Thanks Sean for the accident analyzation, understanding what is happening is so helpful.... hopefully!
Old 01-24-2019, 05:59 PM
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TopSpeedNeed
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Sean,, I saw that he had his PTM set to Sport 2, would Sport 1 have saved him? It seemed like when his front tires hit the rumble strips the car was still going straight even though he had 40 % right steering input, and as the rear tires hit the rumble strip is when it really came around along with along with letting off the gas. And not trying to sound stupid, I really dont know, but when it started to come around, and if he had went full left steering and full throttle, do you think it would have kept it off the wall ?
Old 01-24-2019, 07:15 PM
  #44  
C5-VERT
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I lost it at Roebling Road @60mph getting into 2nd gear as I was just coming off the apex instead of that even gas apply equivalent to steering wheel turning back to center I came in a bit too hard and spun out went into the dirt. No major damage but scary and lesson learned. These cars are a handful. You have to truly work to drive them fast and you have to respect the power. Appreciate the time to post this! Very informative!
Old 01-24-2019, 09:52 PM
  #45  
Poor-sha
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Originally Posted by TopSpeedNeed
Sean,, I saw that he had his PTM set to Sport 2, would Sport 1 have saved him? It seemed like when his front tires hit the rumble strips the car was still going straight even though he had 40 % right steering input, and as the rear tires hit the rumble strip is when it really came around along with along with letting off the gas. And not trying to sound stupid, I really dont know, but when it started to come around, and if he had went full left steering and full throttle, do you think it would have kept it off the wall ?
I honestly don't know. Maybe? The neat thing about AH is that it can apply brakes to only one wheel. Would it have been able to apply the front brakes it a way to arrest the yaw? I don't know.
Old 01-25-2019, 05:05 PM
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great thread!!! Thanks for sharing.
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Old 01-26-2019, 12:04 PM
  #47  
Bill Dearborn
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Originally Posted by Mad Dog 24
Bill good to here your car is back ! Question did you feel any difference with the GM Mag update form stock? I think I'm the only track guy that has not done it yet for fear of upsetting my very comfortable car on the track. Thanks Sean for the accident analyzation, understanding what is happening is so helpful.... hopefully!
It is hard to say for sure. My fastest lap times dropped about a second after the update but the change in MRC may not have been the reason. I did notice that PTM seemed to work better coming around Turn 1 at VIR after the update. Up until the update I had only been able to follow the OM's instructions about going wide open during corner exit on a few very slow corners. On other corners I could hear PTM working (exhaust blatting noise) but had not been able to go wide open without the back end stepping out. After the update when exiting VIR's Turn 1 I was able to add more throttle (but still not wide open) before the back end kicked out and seemed to be able to power off the corner better.

Bill



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