So today I had a scenario where I had to pull out from a blind corner onto busy street. By the time I pulled out I realized an SUV was coming down the street fairly quickly. My immediate instinct knowing I have 360hp on tap was to put the hammer down.

I basically planted my right foot to the floor and held it there. The truck was already rolling out of the lot and turning into the street at approximately 5-7 mph. This resulted in the truck shifting hard from rolling in 2nd gear, down to 1st. I never drive this way so what I'm asking next is if this is normal or not. As I held my foot to the floor through 2nd & 3rd gears the truck seemed to blip the throttle at 4k then up-shifted from 1st to 2nd gear.

I have a stock Ford Raptor exhaust on my truck with the resonator deleted and when the truck blipped the throttle just prior to the up shift, the exhaust "popped" like a race car with an open exhaust downshifting from speed into an apex. Yes it sounded cool, but it was obviously cutting fuel or throttle for some reason.

So here is the weird part, out of curiosity I tried a few different scenarios just to see if something was wrong with my truck. *Note if I just mash the gas from a dead stop there is no fuel cut going from 1st - 2nd gears at WOT. The fuel cut only happens when I'm leaving out and getting on the gas from a turn.

If I turn off the traction control or advance trac and stability program then there is no fuel cut or 4k rpm, the truck just runs out to the 5600 or so redline seamlessly. Im just wondering if the traction control or torque management is really that sensitive or aggressive? I mean it was 70 degrees out and the road dry, plus I was already at a speed 45-50?? mph where a loss of traction would not be an issue so what gives? One other side note, I've been burning E85 for the last two tanks, mostly because 87 is $4.19/ gallon and E85 is $3.38 almost a full dollar more for regular fuel. Anyway the E85 makes my 5.0L run like a raped ape, it's an extra 5-10 hp you can feel when you get on it. So I'm not sure if the computer is making the torque management extra sensitive when running E85 due to the extra kick in the pants.

 

The Roll Stability Control (RSC) has a gyroscopic sensor and g-force sensors. Therefore, you don't actually have to break the tires loose to activate the RSC. If the computer feels that you are potentially driving too aggressively, it will activate the RSC as a preventative measure. With pickups (and suvs) the RSC is fairly aggressive, after all it's a 6000+ pound vehicle with a high center of gravity, a poor front-to-rear weight distribution, and a lot of power. Its not a sports car and it's not designed to handle sports car like g-forces.

 

Ok thanks, was hoping it wasn't a problem with the truck as I have never in the 21k miles I've owned it really just put the hammer down like that. Sounds like it is part of the torque management since it doesn't do it with the traction aids turned off.

I realize its not a sports car, but it's got the power like one for sure.

 

The inside tire was maybe spinning just a little faster than the other to cause it to kick in. But not enough to where you would notice it. Next time you try that watch the traction control light on the dash to see if it blinks. It happens to me all the time with my tires because they are a soft rubber and flex a bit under hard acceleration.