Any ladder bar and pro tree guys in the group

I have basically found the limit
Which is leaving around 5-5200 and lights are in the .030 range
It’s is very picky with track prep and conditions.
I need more in terms of reliably and reaction time

That's the down side of a radial tire. Are you using a trans brake? Why no two step? Have you considered a trans brake that'll leave in second gear?