I have a 02 ford f350 with the 273f transfer case last time i changed it I put in amsoil multi vehicle atf in it the red cap bottle stuff now it calls for the lv atf will pennzoil multi vehicle synthetic lv atf work I can get it for less than $6.00 a quart at the local napa or valvoline transfer case fluid ? My son has a 09 dodge same transfer case 273d and it still calls for the the same amsoil we used in mine don't understand the difference is this just a ford thing?