I have about 20 hours and couple hundred of miles on my 512 ci RB. We have had it up to 100 mph and hard takeoffs as well as cruising around town.. It has solid lifters. Cam specs are.
From Ken Heard of Oregon cams.
244/252 @ .050�, 282/290 adv, .516�/.537� lift(1.5:1 rocker), 112 sep, .016�/.018� lash
This is a very good street/strip grind that should make power from 2200/6400 or so. Will need a 3000+ converter and will work well with your compression ratio. Normally I...
When to adjust valves? oil change? On recent motor.
