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To make a long story short, in my opinion, power commander puts out some sh!te maps and my spark plugs got fouled out.

So, is Iridium spark plugs the way to go or is it best to stick with stock plugs? And, where is the best place to purchase such spark plugs?
 

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I have the PC III and went from standard plugs to Iridium. Didn't notice much difference (but then again, my standards weren't getting fouled like yours).

I found that eBay had the best price for the Iridiums.

Capt.
 

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I overlayed a PC ZARD map on a S3 base tune and downloaded it into the bike, way too rich and limped home on two cylinders.
Went back real quick to Wayne's tune.
 
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