After roughly a decade on sale, Chevrolet officially discontinued the LS9 Long Block crate motor, Corvette Blogger reported.The supercharged 6.2-liter V-8 made its debut with the C6 Corvette ZR1, but now reads "Discontinued" on Chevy's crate engine website.Thankfully, the brand already seems to be cooking up a replacement as Chevrolet Performance posted to Instagram, promising "something BIG is coming."