spark plug

vinesh

New member
Points
61
Car
lancer evo 6 gsr
can any1 plz help me.the prob is that i've changed my spark plugs to an iridium tip spark plugs.but since then my ride is not having the same performance.in fact it has been a little bit slower than before.earlier i was using denzo normal tip.what can the prob be????thnx 4 helping me guys
 

MasterAuron

Very Senior Member
Points
242
From
379bhp 359lbft
Car
Mk1 Focus RS
The plugs the same heat rating? (ie you sure they're the right ones for your car?) Sometimes modified cars or gassed cars run better on coolers plugs for example.
 

Country Bumpkin

Track Warrior
Points
187
From
Norfolk
Car
GTO T.T.
They are normally defined as BCP, with the C as the indicator but as i'm not at work and don't have access to the list from here i just did a quick basic search. The number below is listed as the copper version but i would ask the distributor just to be certain.
Either that or IF i remember tomorrow at work and have time, i'll do a cross reference on our system.
 
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