hi new here from oh i have a 3400lbs 68 chevelle 496 tci-th350, 2800 stall 4.10 gears. here's the problem, my best time was 11.5 at 119 avg 11.7 looking for advise to wake up motor, runs solid just semms slow. 10.25 comp merlin 269 oval head rpm-airgap intak hyd comp cam 574-578 jetted ededelbrock 750. the short block has forged componets internal balanced and machine shop grinded valve releifs on the deck to unsroud the valves.what top end and solid roller cam should i use. goal is mid 10's motor