Originally Posted by Cab_Burge
Why risk cam lobe failures on any flat tappet cam when you know the history of failures since zinc was removed from most engine oil work




Use good race oil like Penn Grade and add a small bottle of zinc additive for insurance. That and EDM lifters works for me.

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time