Help with Valvesprings and valve float. Noob

PRH said

You don’t have enough valve spring in it now....... but, that being said....... high rpm, hyd cam, higher rocker ratio......often doesn’t add up to high rpm bliss.

Howard’s 98445, installed at 1.800-1.820.
If that doesn’t allow the rpm you’re after, put a solid cam in it.

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I agree with PRH. Also to note, with your current setup you are probably very close to coil bind.

I will also add that a 408/eddy head motor with a small hydro cam doesn't need to get spun up that high to make good power. I agree that it should be able to pull to 6000, but it will probably max out below 5800.