no to that, the engine serial number was used by states to register vehicles, but only tells you about the engine [and with a 58 engine, what can that say about a 51 truck?] the vehicle number was the GM way to ID them by year, plant and production sequence, it doesn't tell you a lot more than what you can see looking at the truck .... the resto pak for 51
is available here for the basic info on each model, including the format of the
vehicle numberbut welcome to the garage, you can learn a lot about your truck here - check around the various forums and fire away with your questions
Bill