Launching on foot brake + ebrake

cahouston

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Hey everyone, I am curious to hear people's experiences with launching at the drag strip using foot brake and ebrake versus just foot brake. I can rev to about 2000 rpm in my 2019 A10 GT - stock with MT ET Street bias ply DRs on foot brake without pushing the car. I did some testing today and I was able to ease up to 2300 RPM without pushing while holding ebrake with foot brake.

On foot brake launching at.2000 rpm, my best 60' so far is 1.79. My local track is crazy busy when open so I normally only get 2 runs per night when I go. I am curious if people have seen benefit in using ebrake for higher launch RPM or does the ebrake affect the launch during the time between start of launch and releasing ebrake. I just don't get to test much when I go to the track.

Should I expect much better than a 1.79 60' on stock tune with bias ply DRs with A10 and 3.55 gear?





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cahouston

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If nobody has experience in trying this, I will see what it does next time I go to the track. May just take practice dropping the ebrake at the hit just before I let off foot brake.
 

Billy1

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What 1/4 mile time and speed did you run? It will tell how well the launch went.
 

CJJon

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I can't imagine being able to work the e-brake lever fast enough.
 
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cahouston

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What 1/4 mile time and speed did you run? It will tell how well the launch went.
11.32 @ 122.97
60' - 1.79
Weight with me was 3775.
Drag Mode, 3.55 gear, 26" tall bias ply DR.

Stock tune shifted into 7th at 6600 RPM for some reason right before I crossed the traps.
 
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cahouston

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I can't imagine being able to work the e-brake lever fast enough.
Yeah, I was curious about that too. Just in testing stationary, feels like it it would still be partially engaged at the time I launch due to slowness to disengage.
 

Billy1

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I don't think you can do any better 60 ft. time than that. Damn close to the 10's !!!!
 

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