There’s a tiny silver can on the side of most distributors that is easily the most misunderstood component of any distributor-based ignition system. Feared by many, and ignored by many more, the vacuum adva...

Do Aluminum Radiators Need Special Coolant? The key to maximizing the life of an aluminum radiator is not so much the radiator coolant brand as it is the water type. All coolants sold today will protect alu...

Is your radiator a Direct Fit?Yes! Every DeWitts Aluminum radiator is designed to fit the listed application without any modifications to your car. In fact, we hold the official U.S. trademark for the term D...

What Radiator Cap Pressure Should I Use? We are asked this question daily and most people misunderstand what the pressure cap does. The cap’s pressure rating has nothing to do with regulating your engine’s c...

To properly size a fan to your radiator, we're looking for coverage on the actual radiator core. The actual tube to fin area of the core rule of thumb is that we want at least 70 percent of that core covere...