Highway hesitation

[Boosted Sho]

Been gearing up for the track. So testing the car wm tune if I'm at a 60 roll and stomp it it pulls hard till 120 and feels like it hits the limiter.
If I back of and come back in to it it will keep pulling but hesitating.. so what I am confused about is if I do a 0 to 135 data log no issues.
Any ideas? Torrie asked if it was spark blow out?
I have new plugs I'm going to drop in but he said it's physical... don't know why it won't do it all the time just high speeds 120+ from a roll.
Of course in Mexico

 

[StealBlueSho]

Do you have any logs of the 60+ pulls?

I have personally noticed that if I am rolling around 60 and I stomp on it fuel curves are very different than from a stop...

Going from 2k rpms to to 4-5k rpms is a lot for a fuel system to just pick up...

Although at 120 you are shifting into 5th gear?!

Gotta ask though... 1/4 tracks you won't see north of 120 (fifth gear) unless you have been hanging out with BPD?

 

[Boosted Sho]

I have the log here what do I look for


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[Boosted Sho]

Top of 5th but I'm also spraying on a # 6 625 ml nozzle 100% meth on ethanol blend. E27 what it took to get to 93 oct. but yes that makes a lot of sense seems like it didn't like it as much as a dig. As for 120 nah not up here at 5200 elevation definitely not on stock turbos


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[StealBlueSho]

Throttle closing most likely... he probably has you looking at 4 pids for throttle... check out absolute..

 

[Boosted Sho]

I guess I can log starting with the paddles at around 4 k vs kick down see what that does . No reason to be up there anyways. Now I know.
But wanted to know I could go threw all the gears if needed on a highway roll race .


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[StealBlueSho]

Just sent him the logs... he is the only one that can straighten it out...

 

[Boosted Sho]

It's all good thanks did my plugs. Its all good until higher triple digits so that's jail anyways when I'm not in Mexico
That's with around 8k

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[Boosted Sho]

Do you have any logs of the 60+ pulls?

I have personally noticed that if I am rolling around 60 and I stomp on it fuel curves are very different than from a stop...

Going from 2k rpms to to 4-5k rpms is a lot for a fuel system to just pick up...

Although at 120 you are shifting into 5th gear?!

Gotta ask though... 1/4 tracks you won't see north of 120 (fifth gear) unless you have been hanging out with BPD?

I have a pp so the gears are short
1st 30
2nd 50
3rd 85
4th 110
5th ? No idea
6th ? No idea


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