Crane's energizer cams

360, .040" silvolite replacement pistons, stock heads, chinese air gap intake, crane .454 energizer 2 1/2 exhaust w/ x pipe thrush chambered muffs.
just before I threw a rod bearing
73 dart 360 thrush mufflers - YouTube
Thx for all the input guys! and Toluene your dart sounds great..me likes :D