Hi everyone, i leave in Puerto Rico and i have a Dodge Champion 1977 RV is the one look like a refrigerator square completely, needs a complete brake work (pads, shoes, pumps, booster and caliper and cilinders kits) where I can find this parts someone toll thats a Dodge truck chassis with a RV on it this is true. For what model I can search for that???. What kind of motor have this RV because another person toll me its the big one something like 440!! how I can know for sure to buy parts for him???? serial number??? Thanks for any kind of help. Mario from the Caribbean.