Morgan@Midwest Diesel & Auto
New member
We are nearly finished with pre-loaded x4's for 11-14 with retrofit kits. I personally do not custom tune anything. I can send you through the right channels to get tuning if you would like.
As far as I can say, there have been people push 540 out of a 2015. But the 2011-14 pump do not have the same capability. So, to answer your question, I don't think unless you have a healthier pump your realistically going to make more than an actual 2015 truck.
But once again dyno numbers vary across the board from truck to truck dyno to dyno. There is no "set" number for anyone on any given day. That's why I don't rate anything like nozzles, turbos or tuning in "HP".
Yeah, it's pretty strong. A tuned 6.4 at even lighter weight would have a hard time with it now.
The dyno is what it is. And I don't know how accurate it was on the first run. So you won't see me hold to a certain number. All I will say it that its over 600 without shred of a doubt. How much past 600 idk.
In other news, the notorious 4th gear is now gone. Same thing that happened in my 11. It slips under wot and is flaring on the 3-4 shift. Guess we will be fixing that very soon.
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