i have a 1999 f150, 4.6 5speed...

i have done some seaching and i think i have 3.55 rear end. but the tag on my fronk diff, says 3.73. so wtf? is that right?front and rear are diff? code on door says 19. there is no tag on rear end.! hlp plz


never mind looked at it just now! i was wrong it's 3.55 all round...