[QUOTE=Dave in Wi;20786473]
Quote:
Originally Posted by The other Ferret
Well 91 isn't regular 
QUOTE]
Keep in mind the US and Canada use a different octane measurement method than the rest of the world. 91 is roughly equivalent to US 87 octane, which is regular. |
Really? Did not know that
So what is US 91 octane in the rest of the world?