Eleven years ago, then 13-year-old Rod Arias inherited a 1989 Mustang LS V8 coupe from his newlywed brother, who could no longer afford to keep the car up. "When I first obtained the car," Arias says, ...

Q. I may have a solution for a problem listed in your column (“Auto Answers,” Jan. 22). The issue was a 1992 Accord with an engine idling between 1,000 and 1,500 rpm while in park. I own a 1992 Honda ...

OBJECTIVE: Wet flow, pressure excursions, port volume, runner length, plenum volume—all these figure into an engine's overall efficiency. But there's more… Sometimes theory is neat, but sometimes it ...