Indexing spark plugs and Denso Iridium
01-21-2011, 09:29 PM
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Indexing spark plugs and Denso Iridium
Have anyone done any dyno testing with indexed plugs? can it make much of a difference on a 2litre N/A engine?
Also any thoughts on the Denso Iridium plugs? Compared to an NGK Platimun plug would they offer any improvement? I have see people talk about increased torque and a few more bhp.. is that just sales spin or do they really offer some performance over a syd plug?
Also any thoughts on the Denso Iridium plugs? Compared to an NGK Platimun plug would they offer any improvement? I have see people talk about increased torque and a few more bhp.. is that just sales spin or do they really offer some performance over a syd plug?
