which is better, 93 or no-ethanol 92
Ex fd *****
Joined: May 2001
Posts: 1,782
Likes: 1
From: Ventura CA USA
Depends- What motor are we talking about? an NA rotary has no need for anything over 89 (even 87 is ok) but for a TURBO motor higher is better the oxygenates in the 93 will effect MPG but the 93 will provide better Knock resistance