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Tonight I changed my plugs, along with a few other things, to get my car ready to be tuned Thursday. All I have done is driven the car around very easy and the car has not seen any power what so ever. I pull out all my plugs and low and behold #6 is the leanest of the bunch. The others were somewhat black from the rich condition and no MSD put cyl #6 was more of a brown. You can definately tell it is leaner than the rest. My question is HOW? I have a completely different setup now than I did before and #6 is still the leanest plug. It is not the intake that is for sure, I just cannnot figure it out. I think mine would be best tuned by taking an EGT reading on the #6 cyl and tune it from there. LOL Any ideas as to why this is??

Chad
 
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