wondering about cam and torque converter combo

86 318, 302s bowl ported,1.60 exhaust valves,shaved 010 with o25 head gaskets,284/484 cam,ld340 matched to ports,holley 670,windage tray, lifter valley baffle tray,1 5/8 headers to flowmasters, mopar distributor with chrome box. i had 391s, but swapped to 355s, i should of just bought a taller tire, wasnt worth the expense. motor is in good shape, i just wish i could burn rubber without using foot brake!