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COSMO · 02-24-2013, 09:56 PM

Iam almost completed installing my gtm tt stage 2 kit and after speaking with sam he recommended going with one step colder spark plugs but also said I didnt have too. How many others have or have not went went colder plugs? Keep in mind where I live we have 92-93 octane gas..

02-24-2013, 09:56 PM	#1 (permalink)
COSMO A True Z Fanatic Join Date: Dec 2012 Location: FL Posts: 1,816 Drives: 2012 Touring GTM TT Rep Power: 19	One Step Colder Plugs or Not? Iam almost completed installing my gtm tt stage 2 kit and after speaking with sam he recommended going with one step colder spark plugs but also said I didnt have too. How many others have or have not went went colder plugs? Keep in mind where I live we have 92-93 octane gas..