Srikanth Padmanabhan, Cummins vice president and Engine Business president, speaks during a press event at Cummins’ Jamestown Engine Plant earlier this year. P-J file photo by John Whittaker Editor’s ...

In the late 1950s, Chrysler decided to cease production on its FirePower V8 engines. These were massive, hemispherical engines that would be revived in the mid-1960s and be rebranded to what we now ...

For decades, Chrysler has had something of a stranglehold on the market when it comes to hemispherical engines. These are engines where the combustion chamber is shaped like a hemisphere, though the ...

The Cummins B Series engine reshaped what drivers expected from diesel engines. The B Series engines, consisting of the 6B, 6BT, 6BTA (inline six-cylinder), 4B, 4BT, and 4BTA (inline four-cylinder), ...

Carburetors with vacuum lines are still found on classic vehicles and small-displacement engines — but what is the vacuum actually used for? Let's take a look.