With the right paint and prep I believe it to be safe. It’s pretty common to paint the lifter valley on V8s to hasten oil drainback.


RonR


1951 3600 with Clark flatbed, T5, 4.10 rear
1970 340 Duster
1990 5.0 V8 Miata (1990 Mustang Gt Drivetrain)
1964 CJ5