If it's a single bolt camshaft, it could be one of the old Crane private label hydraulic lifter grinds. Duration at .050" would be 214 intake, 224 exhaust. Timing at .050" is: Intake opens 0 BTDC, intake closes 34 ABDC, exhaust opens 49 BBDC, exhaust closes 5 BTDC. Advertised duration is 272 intake, 282 exhaust, at .004" lobe lift. Lobe separation is 112 degrees. Lobe lift is .2947" intake, .310" exhaust, providing a gross valve lift with 1.5:1 rockers of .442" intake, and .465" exhaust. Regards, Chase