Dragracers need help and opinions please!

[jrsimon27]

This is buddys car 2016 GT 6r80 auto
Has a stage 2 whipple kit with 3.35pullys
Using x85 with a custome tune from a top tuner it also has return style fuel system headers with high flow cats.

The car in a DA of 7000ft went 11.0s in the 1/4 mile then went to sea level and the car made 12s in the 1/4miles we are at lost what could have happend.
Ill post the dragy slips and a video

Car was competing in a non preped track.
Thanks

Here is the video:

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[Demonic5.0]

60 ft times. 2.35 60 ft means he was blowing the tires off.

 

[jrsimon27]

60 ft times. 2.35 60 ft means he was blowing the tires off.

Indeed he was but that trapspeed we see it very low for the setup he has.

 

[BlackandBlue]

Indeed he was but that trapspeed we see it very low for the setup he has.

If you spin the whole way trap won’t reflect anything.

On that 12.59 run he actually slowed down on a shift. Literally went slower after the shift than before.

 

[jrsimon27]

If you spin the whole way trap won’t reflect anything.

On that 12.59 run he actually slowed down on a shift. Literally went slower after the shift than before.

What about DA? In that run DA was 2200ft and on the other it was 7000DA an no difference at all?
Thanks

 

[BlackandBlue]

What about DA? In that run DA was 2200ft and on the other it was 7000DA an no difference at all?
Thanks

DA will will help the car make more power but if you spin more you will go slower.

Those long dips on the g-meter show where the car was spinning and how long it spun for.

1G is accelerating at 32 feet per second per second.

 

[jrsimon27]

DA will will help the car make more power but if you spin more you will go slower.

Those long dips on the g-meter show where the car was spinning and how long it spun for.

1G is accelerating at 32 feet per second per second.

Thanks for helping out

 

[Zinc03svt]

Evo 9 doing work! Lol.

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