http://www.442.com/tech/tech.html
About 1/3 way down the page gives specs for:
1972 240 hp 2bbl.
1971-72 345 hp takes the 402194 camshaft with
Intake opening 40 BTC
Exhaust opens 46 BBC
Intake closes 88 ABC
Exhaust closes 42 ATC
Overlap is 82
Lift .474 Intake
Lift .474 Exhaust
Duration 308 Intake
Duration 308 Exhaust