The LT4 V8 found in the 2015 Corvette Z06 uses a timing chain that’s mounted behind the belts and pulleys. | Chevrolet
Most modern cars have a timing belt or chain, which makes all the moving parts of your engine run smoothly. But when these go wrong, it can kill your engine in a matter of seconds. While chains are more robust and need to be changed far less frequently, belts need to be replaced every 60,000 to 100,000 miles, depending on your
car
If you’re going to a mechanic, this isn’t going to be a cheap job, but once you get it over with, It's done.