Tech: 2013 SVT Shelby GT-500 5.8 Engine


What to date is now officially the fastest and most powerful Mustang ever built, the 2013 Shelby GT-500 has an updated version of the same DOHC modular V8 that has powered it in various forms since 2007.

For 2013, Ford has increased displacement from 5.4 to 5.8 liters, retaining the same engine architecture and deck height as before. With the larger displacement Ford’s SVT gurus we able to add the same Eaton TVS 2300 supercharger that modders have been adding to their GT-500′s for some time.

Te result is a solid warrantied 650 horsepower and 600 lb.-ft. of torque from the aluminum block Ford. The larger displacement supercharger has Eaton’s latest vane design technology for higher flow and efficiency, tuned especially for this application.

While the engine looks nearly identical to last year’s 5.4 liter plant from the engine compartment, a lot of it is new. With 650hp the engine has forged internal rotating parts and an updated cross-drilled aluminum block. Revised heads and updated camshaft profiles set the new 5.8 liter engine apart from its 5.4 liter predecessor as well. A stout cast oil pan on the bottom of the block helps gives the engine additional structural strength.


Ford also significantly upgraded the cooling system for both the engine and the supercharger intercooler. In the engine bay you will find a larger cooling fan, fan shroud with special high-speed pressure-relief doors. The intercooler is larger and more efficient as well with a higher-flow intercooler pump. The results of the intercooler net a cooling volume increase of 36 percent.

While 650hp in the new 5.8 beats the hell out of Chevrolet’s new 570hp ZL-1 by a huge margin in raw power, many Mustang enthusiasts will look at the new GT-500 as a baseline for more mods. The 5.4 engine has certainly proven its bulletproof capabilities in the past decade with many getting 800+ hp from them. We’ll see what the gurus of tune can do with this very soon.

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SVTUSA

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