quick 318?

My 318 ran 12.90 @ 103
stock stroke
kb399 pistons around 10:5 compression
360 heads cleaned up 1.88/1.60
erson 488/510 234/244 hdy
edelbrock air gap
650 holley dp
904 3500 stall
4.10 gears in a 3400 abody.
Ran pretty good for what it was.