The LS7 7.0L V8 in the C6 Corvette Z06 can last 100,000+ miles with proper care, but valve guide wear is a concern for buyers ...
The LS7 7.0-liter mill was developed for the corner-carving 2006 C6 Z06 where it pumped out 505 hp and was the most powerful engine in Corvette history until the introduction of the blown LT9 in the ...