Choice of oil

I’ve been using Lucas hot rod 10W40 high zinc for several years. No negatives. ’68 HP383, hydraulic flat tappet Summit mild cam, anti pump up lifters, high volume oil pump, rebuilt ‘71 18 spline A833 hemi 4 spd, street car. 75 lbs at cold/start up, warms up to 60-65 cruising 45-50 mph. 50lb @warm idle. Fwiw