A lot of digital ink has been used to write rumors pertaining to what sort of engine the hotly anticipated Corvette ZR1 is going to use. We finally might have a good understating of the powertrain in question thanks to an item included in the GM Parts catalog discovered by the folks at the Mid Engine Corvette Forum. As seen in the screenshot below, an "LT7" is listed as an eight-cylinder gasoline engine with a 5.5-liter displacement.
