OK I ran some quick calculations, by boxing the frame the polar moment of inertia increases by 42% for the entire cross-section. That means a reduction in frame twist by about 30%. Boxing does look favorable at this point.
My intentions for this truck is a semi-moderate drag setup so I can take it out on the weekends and occasionally drive it to work. This will NOT be a show truck just a clean street rod that will be driven.
As for the timeline.... no wife: check, nice garage: check, Plenty of time: check, Lots of money: hmm...just got a raise
