Offenhauser Dual-Port 360* Intake ~ 'Was It A Gimmick'

Offenhauser Dual-Port

Worked best, with a Camshaft designed for Low-End Torque and
Mid-Range Power.

In a Small Block > Generally, a moderate Performance Camshaft

Much like the Crane Cams {Grind# HIT-280-NC} 'Hi-Intensity' Hydraulic
Lift ..................... .460"
Duration .............. 280*
Duration @ .050" .. 224*
Overlap ................ 52*
LSA ..................... 114*
Valve Springs ....... #90 lbs. {Valve-Closed} ~ #270 lbs. {Valve-Open}