Viewer-submitted questions for The Car Doctor: Q: I have a 2017 Ram 1500 Laramie (61,000 miles) and the engine light is showing a code U11E9- Active Grill Shutter. YouTube videos lead me to believe ...

A big reason that the small-block Chevy was so popular with the Bow Tie crowd was because for decades it changed very little, making upgrades and interchangeability easy. The same can be said for the ...