If you have a stock timing gear set/chain-change it to a 69 or 70 one--the cams were retarded 8 degrees at the crank gear in 74 0r 5-------you'll pick up lots of bottom end tq/hp

and I assume u got a ford 9er in rear-----go to 411 or 4 57 gear set for 1/4 miles and holley 850-950 carb