I have posted this on another site and will do so here as well. If you are looking for factory technical info or anything about your specific truck, do this. Call 1-800-222-1020. This is GM. Tell them that you would like a Restoration Pack for your truck. They will ask your name and address, year and model. You will recieve (FREE OF CHARGE) a packet of original dated info about your truck. Codes, specs, tech.info., dimensions, options, Power curves and more. Learned about this on my Vette resto and provided much valuable information. Happy reading and happy truckin' Don
