Early a body torsion bars

Slant six bars were typically .83, while non-hi-po V8s were .85. Hi-po V8s were usually .87, like the later 340 cars (but Galen Govier's white books say that some 273 hi-po motors came with .89 bars). But station wagons I think were heavier duty than sedans with the same motor, along with maybe air cars. Also, at least many, if not all, years, HD suspension was optional for all engines. Best way to be sure what any early A has is get the numbers off the bars and then look the numbers up.