A cheapie 360 build:
Basic (cheapest) machine work
Tanked
Bored
Honed (no plate)
Checked mains, they were good
Same ugly Pistons that you have
Decked to a true 9:1
Resized rods with new bolts
Isky mega 292 cam
273 rockers
235 CFM 587 heads
Eddy Performer
Much rubbed on 600 Holley.
OE dizzy w/MSD box
$99 headers
2.5 exhaust with parts store muffs
904 w/2500 converter
3.23 gears
3500 e body
255/60/15 Dunlop GT radials
13.43 @ 108 as driven.