Ron Strayhorn is an ambitious hot rodder. By day he's a mild-mannered executive running GM's western region service and parts operations, but when he's not on the clock, he's scheming new and more ...

We don't mean to be the harbingers of doom, but it's unwise to keep driving if your car's engine has a malfunctioning positive crankcase ventilation (PCV) system, particularly a bad PCV valve.

In the LS world, the little 4.8L is the Rodney Dangerfield of the bunch. Because of its size it just gets no respect. Even the 5.3L—just 0.5 liters larger—gets all the press, to say nothing of the ...