B1 motors are famous for that, even with additional #8 AN drain hoses added on each end of both heads puke
My next B1 motor will have #10 AN drain back from each end of both heads to help keep the oil in the oil pan quicker: luck:

Last edited by Cab_Burge; 07/29/22 12:54 PM.

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)