FLEX TEST! The first thing that we do once one of our expedition bodies is fitted to the Unimog chassis is to get the ramps out and complete a ‘flex test’ and ensure that there are no collisions and everything is moving as it should. You’d be surprised how many body-builders have never opened the ‘body-builders handbook/guidelines’ for the respective vehicles that they are building on, even though this information is free and accessible for anyone to use. One of the major requirements for body-b