They are high enough if you never go over 4500 RPM. The Stage1 spring boosts the relief pressure to 60 psi.
Well my existing motor is likely still stock. I know it was rebuilt before but it doesn't drive like anything was done to it. So sounds like I'm OK pressure-wise until I get that new motor.
It could be that you have a rod hitting the oil pan. That is pretty common anytime you pull of rebuild an engine. Easy to feel with your fingertips. I hope this is the problem.
