No Twin-Turbo 'Road Runner' V-8 For Next Ford Mustang GT500

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2010 Ford Mustang Shelby GT500 Convertible

2010 Ford Mustang Shelby GT500 Convertible

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We know all about the 5.0-liter Coyote V-8 engine headed for the 2011 Ford Mustang GT already, but recent reports had hinted at a twin-turbocharged version of that engine, dubbed "Road Runner," to be dropped into the Mustang GT500. That won't be happening this year, as a supercharged 5.4-liter aluminum-block V-8 gets the nod according to an official Ford announcement today.

It won't be happening any time soon, either, according to an Autoblog interview with Ford V-8 engine chief Mike Harrison. The engineering complexity and sheer cost of packaging twin turbos into the engine bay alongside the 5.0-liter V-8 would be too much to justify even for the $46,725-base-price Shelby GT 500.

Still, moving from the current cast iron block of the 2010 GT 500 to an aluminum-block engine will help shift some of the car's 4,000-pound weight off the nose, no doubt improving handling and possibly cutting acceleration times.  The new engine will be out later in the year when the 2011 model debuts.

On deck for 2012 is a new Boss version of the Mustang, though details on that model are still being held close. In the meantime, the 2011 Mustang is expected to get an even more focused Track Pack to complement the big V-8, so there'll be something for enthusiasts to sink their teeth into while they wait for the next generation of muscle car mayhem.For more on the current 540-horsepower, supercharged 2010 Mustang GT500, read our review.

[Ford, Autoblog]

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Comments (13)
  1. All it needs now is DI, something the Coyote engine is currently going to be lacking.

  2. The 2012 Mustang will in fact feature a 3.7L V-6 and a 5.0L V-8. The question is what will final output numbers be. There are also some other tricks up the sleaves of the engineers as well. you will all have to wait and see.

  3. I had a turbo engine that I blew up because the extra boost cannot hold long lasting engine wear. Beware of the slumunim engine block when it expands
    the higher chance to blow a seam or gasket. A cast iron engine with the right engineering can produce high horsepower and high torque. its all about torque or the jet blast the jerks you back in your seat and jumps from 70mph to 130mph instantly from one end of the state line to the next state line

  4. I HAVE a 2004 mustang premium gt, that i drove from Maryland to California and my cruising speed was 130mph several times my speedometer hit 150. I did this when the highway was empty and only me and a few trucks were on the road. Yes it is very dangerous and it was a experiment for me. A cast iron engine with new plugs, new fuel fiter, oil change, new air filter, new tires, running on 91octante all the way. Boosted induction is great and the newest instant horsepower. I can build a car for anyone that will beat a ZR1 vette from one end of the state to the next for $50,000. without supercharging it. The my formula is the right hp and the high torque and the low supension and great tires and a 2 door coupe with a hatchback and small back seat to laid back the passenger seat for the ride.

  5. How about DI and supercharge the engine instead?

  6. Hi...I have started saving as of right now. i will buy a factory twin turbo GT500 for sure. no doubt in my mind...

  7. Hi,
    i get my 01 camaro twin turboed lol dont kno how to spell that but im gona take racing classes to learn how to drive with that much power

  8. What took you so long?

  9. Here's Road Runner:

  10. champchampagner doesn't know what he's talking about. For 2012, nobody knows what the engines will be. Maybe they'll pull out a hybrid mustang out of nowhere, even though that would be ridiculous and screw up the whole image of the mustang. Just don't make any assumptions

  11. spiele doesn't know what he's talking about either..THERE WILL BE NO TWIN-TURBO'D GT500!!! and r4 card, go sell your twin turbo'd camaro and buy a mustang. end of story. nobody cares that you don't know how to drive your piece of crap camaro...a twin-turbo'd 2011 mustang, even a 2010 mustang could beat it, no problem, even with someone experienced driving.

  12. Earlier this month at the 2009 Los Angeles Auto Show, Ford unveiled its 2011 Mustang, but only the base V-6 model, which itself has been upgraded with a new 3.7-liter mill churning out 305 horsepower and 280 pound-feet of torque.
    At next month’s 2010 Detroit Auto Show, however, the Blue Oval will pull the wraps off the new V-8 powered GT, which will pack a 5.0-liter V-8 with 412 horsepower and 390 pounds-feet of torque

  13. If you're interested in seeing what the 2011 looks like in action, here's a link to a couple of videos

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