I would swear. my '17 does not have the applied power my '15 KR Dually had from dead stop acceleration to midrange. From on ramp traffic integration to pulling my 5ver. On Interstate, it just does not have the get up???

Any one else?

 

My '17 beats my '11 or either of the two '15's I've driven enough to say anything about.


The srw trucks are torque limited more in the lower gears. Going from a drw to a srw may be your issue.

 

You do realize the power is the same on both trucks, it's just the tq is up by 65lbs and really in these big trucks you will hardly feel the difference. The only thing I can think is is that power limitation in the lower gears.

 

Hey man, I trust my pants dyno and if you say your old dually was stronger out of the hole, I believe you. BUT…My first impression of this truck was "HOLY CRAP! This thing is fast!"

 

I said that about my '15!

NOTE I said Applied power from gitgo to beginning mid range, at that time the '17 wakes up from nap time and rolls.

I first noticed coming down the on ramp onto I 10 N. looking for the far left lane like a hooker looking for a dropped $20 bill. I've got a 35 mile drive north to make before I exit and I want to roll, my 17 dips and dodges trying to make the left lane.

I can really tell when loaded vs my '15...

 

I have experienced the opposite, it goes better for me. But, it has to be dry, and no dirt, or traction control starts interfering. Are you seeing full boost to the top of the gauge? If not, I think perhaps change to sport mode with a double tap of the traction button. Though I have to admit its hard to watch the gauge and the road cause it goes so hard and is so fast.

 

SPORT mode...wow, yea maybe that is the issue...I have never broke traction at all!

 

Some engines will end up slightly down on power.

Previous gen was not torque limited. Your new truck is, plus probably a taller axle ratio and physically taller tires which serve to make the axle seem even taller.

 

If your traction control light on the dash is not going off then that's not the issue. Just saying from my experience, it breaks the tires loose pretty damn easy without a load, weight on the rear. I am seeing full boost at wide open throttle pretty damn quick.

 

"Full" boost on the gauge would be 40psi yet the turbo is only capable of about 30 or so. It cannot hit 40, so you aren't seeing "full" boost on he gauge.

I'm also unable to break the rear wheels free without brake torquing.

 

3:55 vs 3:73 plus tire size of my 20's vs dually and not sure my traction control light is lit...will check when I roll tomorrow...

 

Funny, I was going to mention this as well, I found myself thinking about it yesterday on the way home with my little Webelo from the Pine Wood Derby (he made a '17 F-350...with 2.5oz of pennies as payload...she was FAST on that track as well LOL) it was raining and we were making the most of the wet pavement. I agree completely. My '15 felt like a jet off the line, mid range was ok, and 50-90 came and went in a flash.

'17 feels geared much lower, I can bust em loose, but I sure don't feel the g-forces I did in the '15. Must be all that torque, made for getting things going. Sure is comfy though!

 

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That tuner sounds interesting.

 

Exactly. But even though the dually had the shorter axle ratio, made even better by the short tires, it still had to turn two sets of tires. I'd say the biggest limiting factor is the torque management system.