Here's the combo in my all steel '64 fury that went 11.70s

10:1 440, .509 cam, 346 heads that I ported using the mopar templates, eddy performer rpm, holley 850dp, 1 3/4 heddmans, 3" exhaust ending before the axle..4200 converter, 3.91 gears, 275-60-15 (28x9) drag radials. Weight was/is 3515 with driver.