302, 5.0, 5.8, or coyote?

Broncobowsher

Total hack

Joined

Jun 4, 2002

Messages

34,884

• Dec 9, 2017

• #21

For a mild engine, you don't need zink additives after break in. There are millions of old engines running right now with the modern oil and they live just fine.

 

5001craig

Contributor

Bronco Guru

Joined

Nov 3, 2013

Messages

1,180

• Dec 9, 2017

• #22

Just run Brad Penn oil. Nothing to add.