Once you've got a grasp of the terms and basically how a cam works, this story will make a lot more sense. Roll OnThe new car companies were the ones who made hydraulic roller cams popular.

In the walk of performance camshafts, enthusiasts can choose from solid flat-tappet, solid roller, hydraulic flat-tappet, and hydraulic roller designs. The type of cam you elect to use is ...

Technology has had a positive effect on traditional Pontiac performance. Today's monster mills perform considerably better on the dragstrip than yesterday's race engines, but are often so reliable ...

A Comp Cams XE268H hydraulic flat-tappet cam (PN 12-242-2 ... could have been had he gone with a more aggressive cam of the roller variety. We decided to take up the challenge and got on the ...

The hydraulic roller lifters used by the fifth-gen 6.7 ... The roller at the end of the lifter makes contact with the camshaft, rolling around the cam lobes. The lack of needle bearings and ...