They changed both settings.
When the car was in the 10's the afco DAs worked good .
Now that it's in the 8s it just over powered the afcos the way they were valved.
71 Demon 540 on nitrous stock front and rear suspension mini tubed springs moved in 3 inches 28x10.5 tire .4.10 gears cope 2nd gear leave trans brake valve body .
Where do you have the Cal Tracs bars set, top or bottom hole? I'm chasing my tail a bit with a similar setup, a little heavier and less power. 528ci, nitrous @ 3480lbs in an E-body.
