Which oil for flat tappet cam?

[alamantia]

For those of you with flat tappet lifters. Which oil do you use, or do you just buy normal oil and add zinc?

 

[NHGuy]

Flat tappet oil, Quaker State Defy. Don't put it in cars though. Zinc is bad for catalytic converters.

 

[Speakrdude]

Rotella diesel oil

 

[Bondo]

Rotella diesel oil

Ayuh,.... Ditto,.... Right outa the same barrel of oil used in our fleet of dump trucks, 'n equipment,....