In your racecar, a cracked block from frozen coolants in the winter isn't usually the problem. Leaking freeze plugs that dump coolant on the track, however, is. If you have a freeze plug work its way ...

It’s amazing that inline-six Cummins engines hold up as well as they do, considering the type of abuse diesel enthusiasts put them through. Not only are they stretched to triple their stock power ...

Perhaps one of the most overlooked aspects of a high-performance diesel engine is its cooling system, which is often left completely stock while the rest of the powerplant is built to the hilt. On ...

Dear Tom and Ray: My wife and I own a 1996 Ford Explorer with 101,000 miles on it. We found out yesterday that the freeze plugs are corroded, on both sides and the back side of the block. We do not ...