mattyross 
Member 
 
Registered: 22nd Dec 05
 Location: lincolnshire Drives: 1997 C12NZ 
User status: Offline 
 
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performed a search, but couldnt find the answer.. 
 
i am intrigued to know what the impedance or injector flow rates  
are for the interchangeable vauxhall fuel plug colours 
i have brown 95/98, white 95/98, black 91/95 etc 
 
i have a feeling my car is overfuelling slightly,  
i wondered if swapping the fuel plug from black 95 to black 91 
(or even a colour with a lower impedance) would make any difference at all? 
 
would this cause any engine damage over time perhaps? 
 
 
thanks  
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