All Other Makes All Other Models Engine Knock

I Would Like To Run Regular Unleaded In My Recently Purchased 2000 Navigator. I Have A 1998 Navigator Which I've Ran 87 Octane In Since I'...

I Bought A 1997 Z24 Not Even One Year Ago . It Has 158,000km On It And It Has Recently Started Knocking. I Have Been Told A Couple Of...

First Off Let Me Say My Engine Light Comes On And Off Constantly Too. I Guess That Makes Us All Part Of The Same Club. But The One Of The...

I Noticed What Sounds Like A Rod Knocking While My Car Idels. It Doesn't Seem To Happen When I Give It A Little Gas. Could This Be Just A...