I use to race NHRA stock in Division 7, there was a lot of record holding SB Mopar racers racing back then, none of them ran a windage tray, stock or after market work
All of them had crank scrapers and added weld in baffles in the stock oil pans up
I use to help one of them, he ended setting the record in several different classes during his racing career with 340 motors, he did do a lot of testing both at the track and on a engine dyno wrench
He tested several different windage trays and didn't race with one ever that I know of work
Crankshaft scrapers with between .030 and .060 clearances are worth running up wrench grin


Last edited by Cab_Burge; 03/21/20 02:29 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)