Chevrolet Performance keeps finding ways to upgrade the venerable Small Block V8. For the new ZZ6 350 crate engine that gets a full debut at the SEMA Show, valvetrain improvements help it reach 405 hp and 405 lb-ft.
Diesel models of the Chevrolet Colorado and GMC Canyon are the first to get extra scrutiny by the EPA and CARB, but they're expected to pass. The added testing shouldn't effect when they hit dealers, either.
GM and the UAW are working to poach skilled workers from Nissan's Smyrna, TN, plant for the General's Spring Hill factory. The location is gearing up to assemble the Cadillac XT5, which is replacing the SRX.