Cylinder head discussion 340 with stock above deck pistons

One of the most fun builds I ever did and charged my friend 5.00 to do it (5.00 worth of jawbreakers)
340 with stock crank
J or X heads slightly polished
484 lift purple shaft hyd cam
Port o sonic intake
750 double pump Holley
Stock 10.5-1 pistons
Stock rods
1 7/8 headers
727 with J converter
3200 pound 72 duster
Super stock springs
10 M/T slicks
Low 12.2’s new driver 2nd time out
I built this engine with friends in his pool room. We laughed and hollered the whole time eating jawbreakers.