lots of picture of 1947-1955 chevy trucks:
forums / general truck
forums / engine and driveline shop
request pictures from members, many of them will be happy to send you
to their website, their online photo journals or email you images.
it is free to register, join and post at the stovebolt page.
check it out, lots of inline six nuts there.
Chevy Truck Resource Pages
The Chevy / GMC Truck Parts Vendors List
Click to see the full signature.