Small block combo suggestions

[Cam ramp shape with a very slow ramp around the lash point? Total Seal rings? Rhodes lifters being used a solids LOL? Reeealy goofy valvetrain geometry? Bad compression gauge?]
My guess is the 25 year old Comp cam has an average ramp, not very slow. Sealed Power rings-.018" top gap, .017" second. flat solid lifters. Harland Sharp 1.5 rockers-decent geometry. 4.06" bore, 3.48" stroke, .045" quench, 2.055" / 1.625" valves, 3200lbs. with driver, 4.56 gear, 28" tire, water temp 170-200, good gauge, compression checked every time plugs are changed-53 autolite or N9Yc-about 4 times in 20 years. no secrets