Over the last two issues, we've presented 34 engine assembly do's and don'ts related to the bottom end using an early 389 Tri-Power engine for illustration purposes. For the final installment, we ...

Imagine one day, years ago, in some equipment shed out in Middle America, an innovative farmer looking at oil dripping from the bottom of the well-seasoned 5.9L Cummins engine in his Dodge Ram pickup ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

The choke valve in an engine's carburetor, whether it's a Holley carburetor or another brand, helps a cold engine start by restricting some of the airflow into it. When the engine is cold, the choke ...

Camshafts are simple devices, but important ones. Modern engines can have one or more intake and exhaust valves, and it's the camshaft's job to open valves precisely as the engine runs, supplying the ...

From the October 1987 issue of HOT ROD: A Super Duty conversion kit that could give your Fiero the kind of performance its styling implied. Pontiac's Super Duty 4-cylinder engine has established a ...

The theory behind one man (or woman) being the caretaker of a single engine as it rolls down the assembly line is not new. Other performance-machine makers, such as Ducati, have experimented with it ...

A car engine is a piece of heavy machinery, and it isn’t surprising for it to make all kinds of sounds. The rotating shafts, the moving pistons and valves, the combustion process, and other engine ...