Hi I have two older Frantz filters both different in small ways 1 having the restricter cast in the outlet and the other has none at all also the cans are diff. lengths .What size is the new orfics I will make my own with orfice drill if some one can tell me the size also can one be used on may auto-trans in my M/H its a 1990 Chevy turbo450 ? 3 speed, if so what size would the orfic be and where would be the best place to hook it to.
Jim
Jim