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polycap 02-06-2002, 02:40 PM I'm wondering if I will need to change out the u-joint when I switch from a 14 s/f to a 14 f/f. also putting disc brakes on at the same time. Using 78 el dorado calipers, will I need to change out my master cylinder or ad residual pressure valves ? Shaker 02-06-2002, 03:25 PM Originally posted by polycap I'm wondering if I will need to change out the u-joint when I switch from a 14 s/f to a 14 f/f. also putting disc brakes on at the same time. Using 78 el dorado calipers, will I need to change out my master cylinder or ad residual pressure valves ? U-joint should be same. Disc brakes are a good upgrade. Keep same MC and just use a "proportioning valve" to adjust disc "bias". Good luck.... PS:welcome NEWBIE.....:flipoff2: :flipoff2: ;) :p chris demartini 02-06-2002, 03:31 PM Both use 1350 joints, so the u-joint you have now will work with the FF. What truck is this going in? The 14 bolt in my Blazer has disks and I have no prop valve, I can't get the rear tires to lock up (stops real good trying). A pickup w/ less weight over the back tires may require one. polycap 02-06-2002, 05:20 PM This is goin into my tow rig. 89 3/4 ton 4x4 suburban. The s/f has 260,000 miles on it. Figured might as wll upgrade. | |