Brad I'm not sure about BP93 and the 10% alcohol but on the pump for all 3 grades it states "gas may have up to 10% alcohol content". I've been told that the 93 grade doesn't but you know how that goes. I got away from using Moroso AB epoxy when it started flaking off on to many projects.

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