Sounds like an old truck. That said, mine sounds similar, I believe it's sound transmitted through the closed drivetrain from the pinion bearing, A good cleaning, and greasing may help, or R & R. drive


1952 Chevy 3100
In the Stovebolt Gallery
More pictures in Photobucket

Doin better'n some an worse than others. Life's what ya make of it. FAMILY, GOD and COUNTRY. Love it or Leave it.