With roller cammed engines we use nothing but oil. No need for any "paste" or grease anyplace in the assembly other than a small amount on the front and rear seals so they don't get a "dry start" and burn up on you.
For flat cammed engines we use a small amount of moly grease on the lobes and bottoms of the lifters, and as Paul mentions, avoid getting any on the sides of them an it the oil holes, etc.
To date the ONLY issue I've ever had with bearings was getting hold of one of the ill-fated Eagle cast cranks that had a "rough" finish on the thrust surface. Ate up the thrust bearing on the dyno is less than 15 minutes.
I also like to pre-lube the engine if it's using hydraulic lifters, so we don't have any "tickers" in the punch at initial fire-up......Cliff
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https://cliffshighperformance.com/
73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th mile),
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