Spark plugs
15-02-2006, 07:07 PM
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Spark plugs
What spark plugs have you found perform best for the cossie engines?
Are are these DENSO irdium plugs anywhere near as good as they are made out to be?http://www.densoiridium.com/irid_racing.php
Are are these DENSO irdium plugs anywhere near as good as they are made out to be?http://www.densoiridium.com/irid_racing.php
15-02-2006, 08:21 PM
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im running around 300hp, and i have tried Champion C57's + C59's, PP8's and 071c's being the most recent. Today the car was put on Karl Norris' gas analyzer, and the Hydrocarbon (unburnt fuel) level mas massive. So, out they came and in went a set of good old PP8's (made by denso anyway) and they work beautifully. No miss on tickover, and more than halved the level of hydrocarbons. Will be sticking to PP8's in the future. 
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