- Joined
- Apr 8, 2015
- Messages
- 521
- Reaction score
- 67
- Location
- Upstate NY
- My Car
- 71 Mach 1, 351c 4v, C6 trans, grabber blue with white interior
Following conversations from recent posts related to damage that ethanol gas causes, what is the better choice for my 351c 4v if I have a choice? Non ethanol 91 octane (Noname brand) or 93 ethanol (Sunoco/ Mobil)? Will there be any performance difference between 91 and 93?
Thanks
Thanks