As for the "physics" of ladder bars, I hope you've thought about the fundamental aspects of them? Ever seen a production vehicle with them? Ever noticed how the old-style factory radius arms ('32-48 Ford, etc.) had the pivot points very close to each other? Ladder bars create an extremely high roll rate at the rear suspension, which is undesireable on the street (the chassis can't roll without distorting something- typically twisting the axle housing).
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Anybody else on this planet campaign a M/T hemi Pontiac for eleven seasons?
... or has built a record breaking DOHC hemi four cylinder Pontiac?
... or has driven a couple laps of Nuerburgring with Tri-Power Pontiac power?(back in 1967)
... or has a Pontiac born the same year as Jim Wangers? (1926} 
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