Oil restrictor

[VintageMusclecar]

Do not run restrictors, esp. with a 700 lb spring on a roller lifter. Those lifters need all the oil they can get to survive, esp. on the street where rpm's are typically low (relatively speaking) and there is less oil splash available to the lifters.

The valve springs rely on oil for cooling as well, so the last thing you want to do is restrict the oil to the top of the engine.

If you're concerned that the bottom end will starve for oil, run a bigger/better pan and/or windage tray.