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these brakes have me soooo confused!! have a 75 bobcat and the front brakes are the same as the 74-80, no problems there!! now my 78 wagon is a different story, has 74-80 calipers but has the 71-73 rotors, was replacing the rotors and seals and pads to find out the 74-80 rotors are taller then the 71-73. when i put the 74-80 rotors on the center spindal nut would be tight and the rotor was still way tooo loose, now the bearings for 71-80 all the same and same with the rear seal!!! so im guessing some one put 71-73 spindals on my 78 but can not figure out why, doesnt make much sense to me!!! good luck with the brakes on these cars, what a pain!!!
Or you got the wrong replacement rotors. ''74-up rotors will bolt on early spindles. I wonder if you had Falcon or early Mustang rotors by mistake....
". The 74+ spindle tapered tie rod hole is larger than the 71-72 tie rod end. So reaming it out will not fix this mismatch." just a thought (regardless of the rotor mismatch) could it be that the 74 + tie rod ends can be used with the 71-72 rack? are the thread specs as well as length, the same?http://www.fordpinto.com/pinto-faq/front-disc-brakes-(4-5-lug)/msg8025/#msg8025
bbobcat75, Thanks for those rotor details. Flamming River who sells 71-72 racks said most people use a straight bolt to attach a heim joint to the spindle steering arm on race cars. The 71-72 spindle tapered steering hole looks like it could be drilled out to a straight 1/2" hole. I believe the durability of a quality heim joint on a daily driver would be okay, but have no experience.