Mechanics who work on these engines point to valve stem seal failures and timing issues that arrive well before 100,000 miles ...

Does your engine need a valve adjustment? It depends on the age, condition and brand of vehicle you’re driving. Due to the popularization of roller-follower valve train designs that reduce friction ...

Time was when a valve job was done with some valve-grinding compound and a vacuum cup on a stick. But no more. Today's high performance engines require the same machining precision in the valves that ...

Inside the engine are several fascinating parts, which you can see in Figure 7-8. At the top are the cylinder heads. These contain the mechanisms that allow the valves to open and close, letting the ...

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 ...

The 12V Cummins diesel engine compares to the 24V version as a simpler model. The 24V engine received numerous upgrades and ...

You expect a sports car to accelerate and respond with enthusiasm, but the DMC-12’s 2.8L PRV V6 delivers only about 130 hp.

Imagine this scenario. You've scrimped and saved, and finally have enough dough to get the Corvette you've had your eyes on. Just for argument's sake, let's say that dream car is a cream-puff '92 ...