Hi and welcome to mightyram. Your Ram looks like it's in reasonably good shape - nothing a big clean won't fix going by your pics. We have a ton of info on the Weber install but the first thing to check out is this thread -

http://www.mightyram50.net/vbulletin...carb-Becareful!!!!!!!!!!!!

Lots of relevant info in this page on the site - http://www.mightyram50.net/vbulletin...uning-amp-Smog

(we really need a definitive guide with step by step instructions, related images and recommended parts condensed into a single page as a sticky)