02-11-2010, 01:30 AM
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1st Gear Member
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Join Date: Dec 2009
Location: White Plains, NY
Posts: 53
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2011 Shelby GT500
Hey everyone, In case you haven't heard the new 2011 GT500 has been released by Ford and it gets a supercharged 5.4L V8. Now before you remind me that the GT500 already has a supercharged 5.4L V8 I have to tell you that the engineers over at Ford ditched the iron block and developed an all new aluminum block. Now why do you ask that the engineers over at Ford did this? Well the main goal of the 2011 GT500 is to take the already capable handling of the GT500 and turn it into a corner carving machine so we all know that Iron weighs more then aluminum and the 102 lbs. saved by switching blocks has made the the weight balance closer to 50/50. Another problem faced by the engineers is that the aluminum blocks aren't as strong and they usually need steel liners to prevent damage from the combustion in the engine so instead they developed a process called Plasma Transferred Wire Arc coating in which a jet of 35,000-degree plasma melts a steel wire and blows the molten steel against the cylinder walls. As it cools, the steel oxidizes to form a super-strong, iron-iron oxide coating. Now that it is some smart thinking from the people at Ford, it is so good that Nissan leased the technology for use in the GT-R. If you opt for the SVT Performance Package you get new 19" wheels in the front and 20" in the rear that reduce weight by 5 lbs in the front and 3 lbs. in the rear wrapped around by some Goodyear F1 supercar rubber, a 3.73:1 ratio, and revised spring and damper rates to compensate for the 120 lbs. that were lost on the front end. Now you wouldn't expect SVT engineers not to tinker around with the engine would you! Well they did and were able to coax out an extra 10 hp out of the new engine by helping the exhale of the engine with a big 2.75-in. exhaust system, a larger two-row intercooler with 40% more capacity (since many owners were complaining about a drop off in power during huid summer days), a forged steel crankshaft, and billet six-bolt mains, and you have a recipe for 550 hp and 510 lb-ft of torque (which is the same amount of torque as the outgoing engine). In addition, 80% peak torque is available from 1,750 rpm to the 6,250 rpm redline. What's more, the new engine picks up 1 extra mile-per-gallon in both city and highway driving for a total of 15 city and 23 highway, good enough to ditch the Gas Guzzler Tax.
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