Join Date: Jan 2012
Location: Colorado Springs Co
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Add fuel until it smokes. Make sure you are testing by going WOT. The butt dyno says the S03 is stronger, but that is only because of the relationship between throttle input and duration. The S-03 would max duration, IE setting 0 psi to %150, on every tune other than Sw3 by very low throttle input.
boost building delayed might cause some of the issue, older sensors are worse. but not a huge issue unless boost reading is jumpy.
you won't hurt anything by setting the entire canbus map to %150. I promise you the truck will smoke and jump out of it's own tires. Not a great tune, but it shows where the butt dyno can lie.
2018 3500 CCLB G56