Factory Camshafts ~ 1968 340 '4-Speed' vs. Chevy '151'

J-D,

The 'Old Book' Specifications say,

The 1968 340 '4-Speed' Camshaft, good for 6000 RPM's.

340/275 HP = 275 HP @ 5000 RPM's ~ 340 Ft/Lbs. of Torque @ 3200 RPM's
---------------------------------------------------------------------------------------

The Chevrolet '151' Camshaft, good for 6200 RPM's

372/350 HP = 350 HP @ 5800 RPM's ~ 360 Ft/Lbs. of Torque @ 3600 RPM's