I will take a look there as well. I looked at the rear end over the weekend and found no vent as mentioned above. While I have no doubt 'some' trucks must have come with a vented rear end, it appears mine did not. Thanks again HL, I'll take a look tonite.

"My tires and tubes are doing fine, but the air is showing through" smile

1946 Chevrolet 1/2-ton
In the Stovebolt Gallery
More pix on Photobucket