If you drive your street rod you know the car is going to be subject to the elements. Even if you have a hot rod or custom on the show circuit you know the car is still subject to dirt and dust inside ...

In the February '95 issue of HOT ROD we ran a test on the TFS Twisted Wedge small-block Chevy heads ("A New Twist On The Old Heads"). But we were unable to complete the test because the engine blew up ...

Blueprinting has become an abused term. For those who build their own engines—or at least want to know how to check clearances like valve-to-piston on an existing engine—we will offer some techniques ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...