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That must be one hell'va a cam to make 500 rwhp,or you were on a very happy dyno. That's roughly 200hp more then a stock truck makes at the tires. Lets see the dyno sheet. I run Denso 3381's gapped at 0.030" on my nitrous'd truck,and change them at no more then 30,000 miles.
Sean didn't mention plugs, but it's just a Stage 1 tune. I'll ask him when I send over my logs. Thanks.
Unless you're boosted or running nitrous,the majority of tuners will reconmend staying with the stock plugs . I run Denso 3381's in my nitrous'd toy,as i'm not a huge fan of irridium plugs,i'd rather run a copper style plug,as it's way more efficient at transferring the spark ,then an irridium plug is,but the downside is they should be changed every 30,000 miles,which was no issue for me,as the truck got new plugs every season,and the Denso's were way cheaper then an irridium plug,lol.
My other car is a VW GLI 2.0T, FBO stage 2. Definitely run colder plugs in that one.
