EDM style solid lifters

I've used them twice. First time on a 340 I built for a guy and he installed the engine and didn't have all his ducks in a row when doing the startup/break in and cranked and cranked on it so I'm sure the cam lube had to be wiped off the cam yet it survived. The other set I used was in a Chevy 383. I used a comp cams oval track cam in it that was ground as aggressive as what you generally see a Mopar cam ground. It's still running great and barely lost any oil pressure at all. Maybe 3 psi at the most. IMO it's cheap insurance when running an aggressive cam with a lot of spring pressure