SteelTownStang Posted September 30, 2009 Report Share Posted September 30, 2009 Site owner of The Mustang Source Forum, Brad, informs that the 2011 GT500 will have the 5.4 Aluminum Block (as expected) with 555 horsepower and 555 foot pounds of torque. He is a credible guy with credible sources. Food for thought: http://forums.themustangsource.com/s...d.php?t=477435 Link to comment Share on other sites More sharing options...
Baby Gorilla Posted October 1, 2009 Report Share Posted October 1, 2009 Linky no worky. Link to comment Share on other sites More sharing options...
ChrisSD Posted October 1, 2009 Report Share Posted October 1, 2009 555/555 won't be right unless they lower the redline. With 555 TQ and the current engines powerband, the car would make over 580HP at 6100 RPM. Link to comment Share on other sites More sharing options...
SteelTownStang Posted October 1, 2009 Author Report Share Posted October 1, 2009 555/555 won't be right unless they lower the redline. With 555 TQ and the current engines powerband, the car would make over 580HP at 6100 RPM. Yes, others are reporting the same... makes sense. Link to comment Share on other sites More sharing options...
2010 Grabber Blue Shelby Posted October 2, 2009 Report Share Posted October 2, 2009 How are they getting the extra 15HP? Link to comment Share on other sites More sharing options...
justindewoody Posted October 2, 2009 Report Share Posted October 2, 2009 How are they getting the extra 15HP? Tune. Link to comment Share on other sites More sharing options...
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