I wish Ford or somebody could develop this, GM uses the 8-6-4 setup and it works flawlessly. I had rented an '07 Monte Carlo SS has a 5.3L small-block V-8 that’s good for 303 horsepower and 323 lb-ft of torque. The 5.3L V-8 uses Displacement on Demand technology to regulate between eight-cylinder and four-cylinder operation, and I'll tell you I drove it 7 hours straight on the highway through the Adirondack Mountains and then crossed over Lake Champlain into Vermont where I was less than 3 miles from Canada and drove back home for a total milage trip of 530 miles on a single tankfull of 17 gallons of gas. Crusing on the highway the car's dash computer said I was getting 38 mpg and was driving in 4 cyl mode. If Ford came out with a kit tomorrow where it could perform like that for a $1000 dollars I would buy it in a heartbeat, I just bought 25.616 gallons of gas this past Saturday afternoon @ $3.65 a gallon cost me $94.75 and then I just refilled the gastank again Thursday at the cost of $77.75 for 3/4 tank @ $3.72 a gallon! A coworker drives a Chevy Suburban and she gets 18 mpg driving it around town where I am getting 10 mpg!
