Dead stock bottom end quickness

2 combos.1st ,dirt cheap.Atlas stock short block.T/Q as per the D/C book.Performer manifold.Crower Baja Beast cam(204/[email protected],.421/.441 lift).Bowl worked,1.88/1.60 valves,REAL VALVE JOB done(.001 on runout gauge on 45). Hooker headers.R/R converter,3:55s. 13:61@101 at Famoso in90 degree heat.
2nd re-ringed 360.915 castings,!.88/.160 moderate 90% throat work.Serious g/match.TORKER 2 340 Crower hyd flat tappet.,now know as Ultra Street Beast.223/[email protected],112 l/c.Hooker Comps,4:10's,G.E.R 3600 stall.Sacto speedway,ran 12.20's@108,ton of tire slippage,with worn out slicks.