Hi All,

Anybody know what the rocker/frame rail/sill construction (cross section I suppose) is like on a '60 fullsize? Or failing that, on any other early Mopar unibodies (I guess the structure will be similar, designed at the same time)?

They have a few small rust holes (I could patch them) here and there but I'd really like to pull the rocker covers off altogether and do the job properly. But before I go doing anything it'd be nice to know how complicated the insides are. I know modern cars have 3/4/5/6 layers of different bits of steel, but what about our old Mopars? Does the rocker panel make three sides of a simple box section?

Any and all help is greatly appreciated.

All the best,
60 Ply.

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1960 Plymouth Belvedere 4 door sedan
Stock 60 225
Push button 3 speed Torqueflite
Right Hooker