John, can you attach some pictures?  remember to make them a little smaller( use Paint in Windows) reduce about 60%.  Make a post then after you have posted it, you can attach to that posts. Also help if we know about where you are located.
Might be some info here: http://www.dunebuggyarchives.com/forum/topic_show.pl?tid=2856
Pulled this from the Samba: Look close at the cast pieces that clamp the front beam to the frame. If it's a Hi Jumper or a Hobrecht Panzer, it will have one of those names cast into those pieces.