my new project

[ben]

yeh but you can always strengthen the chassis? do people not bother with that or what?

ben

[BusyKiwi]

booga, I have a mid mounted (project) van, see my web site. I'd never do another though, totally impratical, noisey and has a lot of issues involved. At the end of the day a bedford has the aero dymanics of a brick, it will never be a race car

Ben, there isn't a chassis as such in a bedford, it's a strengthener hence the flex.
A car usually has a chassis or floor pan with sills to add strength, a bedford has the large floor pan and strengtheners as the sills are not full length and are to high to be of any use.
Adding a chassis is an option but apart from being a pain in the A to do is a lot of added weight, adding gussets around the van would give similar less flexing