On hydraulic roller cams, I usually just use engine oil. The friction is very small compared to flat tappet cams and they don't need to be broke in like they do too. I know that's not the "correct" way but I've never had a problem with cam or lifter longevity.
__________________
88 NMRA Pure Street coupe
95 GT-heads, cam, exhaust, intake, road-race suspension
97 Taurus SHO-K&N, ported meter
95 Escort GT-Pacesetter header & exhaust, Weapon R intake tube
|