Registered Forum User
 Mille
    Posts: 145
 Join Date: Feb 2005
 Location: Hastings, East Sussex
  
    
     Have you tried putting the carbons back on? I am surprised that putting the original cans on makes that much difference. How old are the plugs and are they the correct grade?
 I have found that using standard cans with a upgraded chip, FIM in my case, creates no running problems at all.