Since this isn't in the handling forum or drag race forum I'd have to ask is this an intellectual question, how can I spend money question, or is there a specific desired outcome you are after? There are a few minor mod/bolt/weld in options and numerous cut and fabricate options. Again, what are you trying to accomplish?

Obviously the original suspension and chassis can be beefed up to handle a variety of applications. Lost in Life has posts that seem to indicate they do not necessarily subscribe to the whole newer is better philosophy but have also asked about questions spending some big bucks on some more modern approaches as well, so could be sucked into that mindset.