Gap for spark plugs

JDM_DB7sedan

Run ur car NOT ur mouth!
I just got a sweet set of Iridium 9mm wires and NGK iridium plugs. Whats the gap for the plugs for a 98 GSR?
 

graveyardhippie

New Member
from ngk

Should I gap my Iridium Plugs?

The manufacturers say NO.
This is because most people do not know how to properly gap a spark plug, and the center electrodes on the ultra-fine iridium can easily snap if mishandled. There is no warranty for snapped center electrodes. The manufacturers say an iridium spark plug will run so much better than a traditional plug, even if it is not gapped for that motor, that they would prefer you just leave it rather than risk snapping the center electrode.
 


JDM_DB7sedan

Run ur car NOT ur mouth!
graveyardhippie said:
from ngk

Should I gap my Iridium Plugs?

The manufacturers say NO.
This is because most people do not know how to properly gap a spark plug, and the center electrodes on the ultra-fine iridium can easily snap if mishandled. There is no warranty for snapped center electrodes. The manufacturers say an iridium spark plug will run so much better than a traditional plug, even if it is not gapped for that motor, that they would prefer you just leave it rather than risk snapping the center electrode.
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hey thanks man. im glad u wrote that. i was about to call autozone and ask if they knew what gap i needed.
 

nitrogen

New Member
Well this thread was a big old, but for those dropping plugs and needing to regap it's 0.044" and for us normal metric folk ;) 1.1mm
 


nitrogen

New Member
Cool to clarify: 1998 GSR

Patrick's gap for plugs like Autolite XP Iridium or Double Platinum and base NGK Iridiums and IX's

The quoted .044" is for Denso double platinum and Iridium plugs
 
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