It is possible to run solid flat tappets on a hydraulic flat-tappet cam and even mechanical roller lifters on a hydraulic-roller cam. Putting solid lifters on a hydraulic cam will gain about 500 rpm ...

Without a doubt, solid cams carry a certain mystique. In the musclecar days, solids were factory-fitted in some of the hottest iron out of Motown, including the early street Hemi. There was a little ...

We begin our discussion with the most common cam type offered: the hydraulic flat tappet. Used in literally millions of production Chevy big- and small-blocks, to say nothing of the many V-6 ...