Q: I enjoy your magazine, but I missed the memo about replacing my fuel filter every 30,000 miles. To be honest, my C4 Corvette has over 90,000 miles on it and I have never replaced the fuel filter ...

It may not have the coolness quotient of a high-lift cam or a rowdy exhaust system, but a properly functioning set of fuel injectors plays a critical role in optimizing overall engine performance.