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I am looking for a proportioning valve for a 1975 3/4 ton 4x4 hi-boy. I know i can find one at a junk yard, but there is a reason their called junk yards!
hi
You can probibly find one at any local NAPA or other auto store. junkyards are nice some times but you never really know what your getting. i use them just to get buy for a few days and then buy the new one when i get the money.
I bought mine from the Ford dealer. Yours maybe the same.
1979 F350,4x4,NP435,5:13 gears,Detroit locker in rear with hardened shafts,ABR in the front,360 with 428 crank & rods,390 HP heads,Centerforce Dual Friction Clutch,MSD Ignition,39.5x18 Boggers,bucket seats out of a Lightning,& a Southern Body that is perfect.