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GM applies for LT5, LTX trademarks... are new small block variants coming?

Recently discovered General Motors trademark applications for LT4, LT5, LT88 and LTX have observers wondering what kind of high-performance offerings could be on their way. A new LT4 would mark a return of the engine designation first used on the Corvette Grand Sport, SLP Pontiac Firehawk and SLP Chevrolet Camaro SS from 1996 and 1997. Supposition at Corvette Forum - which provided advance intel on the C7 like these leaked images - believes a new LT4 could go into the high-performance trim of the next-gen, 2015 Camaro that would be more powerful than the 580-horsepower Camaro ZL1.
Seeing an LT5 again would also be déjà vu - in its former life it was a 5.7-liter V8 for the C4 Corvette ZR-1 from 1990-1994 designed by Lotus, producing from 370 hp to 405 hp. A mix of rumor and hope is that the new LT5 will be a supercharged evolution of the 6.2-liter LT1 (pictured) placed in the new C7 Corvette, and that it will go into the C7 version of the ZR1 pumping out something like 700 hp.
The LTX trademark is, as with that last letter, a complete mystery. If the "X" isn't a generic way to denote the whole LT family, it's wondered if it LTX could refer to a crate motor offering like the LSX.

2014 Chevrolet Corvette Stingray convertible headed for Geneva debut

While most of the world is still coming down from all the hype surrounding the debut of the 2014 Chevrolet Corvette Stingray at the Detroit Auto Show earlier this month, we're already looking to the future. And according to Autoweek, the next chapter in the C7 story will unfold at the Geneva Motor Show in March. That's right, General Motors is reportedly using the Swiss stage as its venue to debut the Corvette Stingray convertible.
If this strikes you as odd, you aren't alone. After all, with a car that's such an American icon, we'd fully expect Chevrolet to unveil it here on our shores in either Chicago or New York. But according to Autoweek, GM is looking to boost export sales of its halo car, and since the C7 was engineered to compete with the world's best and brightest, showing it off in Geneva is somewhat of a smart move. What's more, those with sharp memories will recall that GM used the Geneva expo to debut the sixth-generation C6 Corvette convertible back in March 2004, so there's also a precedent.
Details surrounding the Corvette Stingray convertible are still slim, though we fully expect the 6.2-liter V8 and choice of either six-speed automatic or seven-speed manual transmissions to carry over unchanged. Prototypes spotted on the road showed the car fitted with a cloth convertible roof, as well.

Watch NASCAR racer Jeff Gordon put one over on a used car dealer... sorta

Full Disclosure: in my younger days, I loved nothing more than tormenting passengers with my behind-the-wheel hijinks. Once, after a particularly artful handbrake turn on a two-lane at around 50 miles per hour, I left one backseat occupant crying in their own lap. This isn't necessarily something to be proud of, but it gives you a glimpse into why it is that I find this ad from Pepsi so damn disappointing. The premise is beautiful. Take NASCAR legend Jeff Gordon, give him a disguise and set him loose upon some unsuspecting used car dealer. Hilarity ensues.
Except that this Pepsi Max commercial is so obviously staged, it can't help but feel like some ham-fisted marketing fail. From the strategically placed aftermarket cupholder mounted mid-dash for the hidden camera to the fact that the supposed dealer Camaro is displayed as a 2009 model (Hint: Chevrolet didn't make any), this clip is about as organic as a Twinkie. Still, we would never turn down a chance to watch Gordon thrash on a rental-spec coupe - only problem is, he probably didn't even do the driving himself. Check it out below.