thought i would start this as i have pulled apart my Canadian Monza
may help someone when looking at a car
rhside inner wheel well
lhside lip between the inner and outer (where the body meets the "frame" )
panhard bar support
lower control arm front mount points (floor rusts out above )
rhside floor( about where the passengers feet would sit (another frame/floor issue)
both sides of the engine bay (another issue of a sandwiched plate rusting through the thinnest panel)
bottoms of front fenders and doors
dont think i have missed any .....feel free to ad some more .LOL