Comp XE268H v Crow 18619 - 318
Hysteric,
[1] Vizard was an engineer first [ Aero Space ], magazine writer second. At least give the man credit where credit is due. I wouldn't call his 520+ page A engines book a 'magazine'....
[2] If Jones' cams are winning races for their owners, the word soon gets around & everybody would be using them. But not everybody is using them....
[3] Comp Cams opened it's doors in the mid/late 1970s, using Harold Brookshire's cams. That business grew because Harold's cams were winners....