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what fuel is best for emissions



  172 cup,s2 rs turbo


optimax contains cleaners to clean out the injection system but it wont make that much difference and standard petrol does have cleaners in it anyway. optimax is a slightly higher octane rating as well. if your engines running fine then what fuel you put in it wont affect emissions.
 
  172 cup,s2 rs turbo


in theory it should give you a bit more power but ive tried it in mine and i cant say i noticed any difference.
 
  Skoda Fabia vRS


id use Shell Optimax or BP Ultimate mate

stick some additive in there aswell before you go
 


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