Shelby Mustangs have never been half-hearted efforts, and the version built on the Ford Motor Company's [NYSE:F] six-generation Mustang platform will be no exception.

One thing we still don't know? Exactly when the potent new Pony will arrive. But Blue Oval fans should be thrilled with the latest info we've learned about the Mustang Shelby GT350.

Mustang6G, citing a recent Q&A with Ford's own Shelby brand manager Jim Owens, is reporting that the potent pony will produce over 520 horsepower—which means output of more than 100 horsepower per liter. The 5.2-liter V-8 will also spin to a dizzying 8,250 rpm, and its flat-plane crank should give it a ferocious howl in the upper register.

Ford has previously stated this will be its most powerful naturally aspirated engine ever.

Even more exciting news? There's almost certainly a track-only "GT350S" in the pipeline. Given the rumors we heard about the GT350R's spectacular performance at the Nürburgring—which put it on par with the Ferrari 458 Italia and the Type 997 Porsche 911 GT3 RS—the potential of a totally unhinged variant seems staggering. Think Cobra Jet but good through a chicane. 

Obviously, none of this news is good for the Mustang's arch rival, the Camaro. Right now, all signs are suggesting the new Shelbys are going eat the Z/28's lunch—and follow it out to the parking lot after school.

The best answer we've seen about availability for either model is the beginning of 2015's fourth quarter. To date, Ford hasn't even confirmed whether it'll be sold as a 2015 or 16 model, and in that regard, Owens stuck to the script, stating "we haven’t divulged the model year yet and there is a reason for that."

Whatever those reasons are, we're sure the new Mustangs will be worth the wait. 


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