Anybody happen to have dimensional data (or even better, engineering
data) for the trailing arm setup used
on these trucks? My Helm manuals list pretty good frame dimensions, but
I do not have data for this application. I have been seriously kicking
around the idea of building a 2x3 rectube frame using this setup for use
under a late 70s Chev passenger car.
This will be, of course, an extended project, but I'd
like to complete some decent CAD drawings prior to firing up the