hey guys, what can i do to make my 73duster go faster in the 1/8th. it runs 8.0@84mph 1.7 60ft this is what i have done so far,340 .30over 11.5 pop ups 528 purpleshaft 1.5roller rockers j heads mild port work 208/160 valves 1 5/8 headers 3'' pipes/mufflers 727trans shiftkit 9''or 10'' conv. 28''x9'' slicks timing @ wot approx.35 mopar dist. crome box holly 700dbl pumper mech. any thing i can do to tweak this thing .