Help with Valvesprings and valve float. Noob

YR knows cam oil timing, posted on it several times
al galls much easier that bronze I would not use 1/4 inch al instead of 1/4 bronze
when the intake cocks it's only riding on the outside anyway
I mentioned earlier the only way to make needles direct on shaft work
chrome moly heat treated shafts are more money than new rockers
(for that High end build)