Dissapointing performance

Greetings from America!

I have a fully roller 360 with RHS heads, 600 carb, a quenched 9.5:1 CR, 727 w/ stock converter, 2.5 duals H pipe and mild cam, I can do a burnout with 32" tires and 3.23's in a ramcharger @ 6500 ft.

Open up exhaust
Bigger carb
Air gap intake
Lower gears
Tighter quench


Do not buy a single plane intake