Originally Posted by 06VT365
Matt is the man with the powermax tunes, thats who I was planning on using for mine.
It very well may be that you dont have a custom tune.
Be well worth the money to get a custom one!
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I called Swams about getting a custom tune but they told me it would be pushing the issue with my truck since i didnt do the headstuds.. they said the tune i have now is about an 85HP tune....