doesn't it all hinge around how many Aces you put in his range OTT?
if ABC player calls PF with A2s-AJs (feasible) and then calls flop bet with a 4-outer with any of these and bad expressed odds, then his turn range is about 76% made straights and i'm a 3:2 dog
if he's only continuing on flop w/ made straight(s) and mebbe pair/4-outer combo, then his turn range is only 48% made straights and i'm 3:2 favourite.