It's unclear how many NAPCO-equipped GMC trucks survived, but you'd be hard-pressed to find one at your local classic car show.

They have a 3.55:1 ring-and-pinion gear set for '37-50 Chevy trucks that help bring cruising rpm down to a more tolerable level.

Check out Mike Carpenter's First Series 1955 Chevy 3100 Pickup Truck with a GM Performance 350 small block engine and a Billet Specialties steering wheel. Only at www.classictrucks.com, the ...

From Colorado fields to Missouri roads, this 1962 GMC 1000 tells the story of dents, patina, and the strange V6 engines GMC built in the '60s ...