CONSIDERATIONS TO KNOW ABOUT EBR CHASIS

Considering that I'm new into the EBR's I hoped someone could refer me into a components record or maybe a set of spec's for the several mod's of EBRs. I see fellas building them and in some cases after considering SageEBR.com I am not likely certain what differentiates the various mod's or what they entail.Just seize and shoot. My 2nd alternative