Drag Truck Part 2 "blackmark redemption"

old 73 D250,360 2-bbl.,auto and 4.10 open Dana with 9.75 X 16.5 would "erp" off the line to a blazing 17.05 at 79.95. Had dual exhaust with 70 340 manifolds. would never hit 80 in the 1/4. after a parts store re-ring and Crane 427/454 hyd cam it would hit 80 shifting into 3rd. never got back to the track. truck weighed 4500 lbs with me in it.