View Single Post
Old 08-22-2009, 08:35 PM
TheE TheE is offline
Motorized Bicycle Elite Member
Join Date: Jun 2009
Location: Canada
Posts: 187
Default Re: Wierd spark plug color. (RUST COLOR)

I use 92 octane and my plug is a nice black colour. Isn't that Opti-2 oil not meant to be used that rich?
Reply With Quote