NEED HELP!!! 9-Second Engine Setup?

My combo is a 400 stroked to a 496 4150 mopar crank alum rods flat top pistons 662 702 cam.. STOCK alum indy 440-1 heads NO port work Indy intake with 1050 dom carb. 727 5200 converter with a 8 3/4 4.88.

Foot braking car with the timing @ 34 degrees with mufflers on car weighing 3200 car went 9.82 @ 136 mph !!! With no tune up with jetting & tune will go 9.5 area