I have a 572 with spray bar oiling.

The heads and block are Indy. 572-13 heads with Jesel rockers.

I had a lot of problems with oil getting past the valve seals and causing the motor to produce a lot of smoke.

The problem was finally resolved but it took some time. This really soured me to the spray bars.

If I could do the whole motor over I would have started out with a pushrod set up.

1974 Roadrunner

1967 Charger