Originally Posted by
macdude
Foam has a thicker chassis and top plate. Has the 3 point wings. Front differential, Front universals are aluminum. Front sway bar, heavy front and rear springs.
Rubber has thinner chassis and top plate. Has the 2 point wings. Front spool steel outdrives, and front steel universals. Front and rear sway bar. Lighter springs
Other than that the suspension parts are the same.
Thanks mate, that's what I was after.