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Old 08-11-2009, 02:11 PM   #3
camkid54
 
Drives: 2010 SS/RS
Join Date: Apr 2009
Location: Burlington, Ontario, Canada
Posts: 18
So are you saying you used 27 litres to go 100ks Thats like 10mpg What RPM are you shifting at? At worst my SS is getting 13mpg around town hard driving...What do the tailpipes look like Are they all sooted up? Without a Tech2 or portable gas analyser I dont know what to tell you And ours isnt updated yet
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