Early A-body 90 degree oil filter adapter issue

So for the early A-body you need part number 2463661. Here is a photo that shows exactly how they are different (correct one is on the right):

YtI1HKqcLrxfP8xCiF10owHBs=w1560-h878-no?authuser=0.jpg

I guess in '67 they made the engine bays bigger and changed the angle. Not sure why, maybe the oil flows better in that angle?!