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Old     (hatepain)      Join Date: Aug 2006       08-03-2010, 10:59 AM Reply

Putting the 6.7-liter Power Stroke® Back on Top with a Power Upgrade
August 3, 2010
The 6.7-liter Power Stroke® V8 turbocharged diesel engine is now rated at best-in-class 800 lb.-ft. of torque and 400 horsepower. This is an increase of 65 lb.-ft. of torque and 10 horsepower compared to when the all-new Ford-built engine went on sale in April of 2010. Current 2011 Ford F-Series Super Duty® diesel owners can get the increased performance through a free dealer-installed software upgrade to the truck’s powertrain control module.

To get the inside story on this power increase, we spent some time with Adam Gryglak, Ford Powertrain Chief Engineer. Adam is often referred to as Dr. Diesel and the father of the all-new Ford-engineered and Ford-built Power Stroke engine.

theFordStory: What exactly will Ford be offering to owners of 2011 Power Stroke Super Duty trucks?

Adam: The 2011 Super Duty is already one of our best products. We have seen a substantial improvement in overall sales. With this torque and power upgrade, we offer class-leading torque with 800 lb.-ft. of torque, up from 735, and we increased horsepower from 390 to 400.

What did you have to change in the truck to achieve the higher torque and horsepower numbers?

The change is made entirely in the calibration, which is basically the programming of the powertrain control module that controls fuel delivery. The engine has the basic foundation to operate there and ensure outstanding durability. We just needed to upload the latest “app.”

What did it take to create a new calibration?

Since this an all new engine – Ford-designed and built – we had mapped the engine at many various calibrations during the course of engine development. That means that we had the data already. We had also already performed durability testing and validated the powertrain at these higher levels.

Will customers be concerned about using a calibration that didn’t go through the same rigorous testing as the rest of their truck?

The revised upgrade went through all of the same rigorous testing, and everything meets all of our internal standards.

Give us some insight into what conversations went on inside Ford when GM announced its numbers?

Having developed an all-new engine, we knew there was more potential in this engine. So it didn’t really alarm us when GM announced its numbers.

The original power and torque numbers were based on what we thought would be the right offerings for the truck and the market when we launched the truck. Behind the scenes, we were already working on more performance improvements. We simply decided to deliver more value sooner rather than later.

Did you or someone your team anticipate GM one-upping the impressive torque and horsepower numbers of the new Power Stroke?

We recognized that we would be announcing our numbers first, and we did think that they might take advantage of that. But Super Duty is number one in the segment, and we expect to stay there.

What will the Ford team do if GM raises its numbers?

Ford is all about value and customer satisfaction. We are always looking to improve our product and time will tell what we do next.

Why not launch with higher numbers earlier in the year?

We had to agree with what would be the best targets a year ahead of time so the complete powertrain and vehicle would be stable heading into launch. To do so, we chose to be more conservative. You can see by the initial consumer response that we made the right choice. The vehicle is doing very well in the market.

Why is it important to have the best numbers? Isn’t there more to the driving experience than just having the top numbers?

The numbers are important to our customers. The customer-impact of these improved numbers gives them torque reserve. They’ll experience less downshifting while they are towing. They should also find a fuel-economy improvement of at least 2 percent, which is a full 20 percent better than the 2010 model Super Duty with the previous generation Power Stroke engine.

What’s the process for owners of the 2011 trucks in order to get the new calibration?

Current owners of vehicles with the 2011 Power Stroke will get a letter that tells them exactly what to do. Basically, starting August 31 and continuing for 12 months, customers can go to their dealership and receive a 30-minute software upgrade for free. This is the first customer loyalty program of this kind.


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