Coolant is an essential liquid for internal combustion engines, but it doesn't last forever. Here's how long an open bottle will remain fresh.

The engine on my 1966 Shelby GT350 suddenly failed and we have no idea why. We’ve checked everything but the cause is still a mystery. Follow along as we dig into this vintage race car to find out ...

Since I was a kid, I always loved the 1969-1970 Ford Mustang Mach 1. I am at a point where I can afford to buy one.