First race weekend eva at 58 years old in my 1970 Barracuda with a 440 stroked to 500-inch...check mark in the bucket list cool

Ran a best 10.72 but was letting up...testing, newbe, and car was hitting the rev limit. I had a 7000 module limit in my MSD 7AL-3.

Car weighs 3150 with me in it, has a 430 Dana rear, 3 speed 727, 31x15 big tire...i know there is more in it. Max torque 653 @ 5500-rpm and max hp 766 @ 6600rpm

How high to you guys rev your big blocks?