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Reply to "Sacc Wilwood 6 piston with stock disc conversion"

@LeMans850i posted:

Originally the discs are held on with the same stud, correct? I haven’t taken mine apart, but if we lose the disc in the back, the  stud protrudes more in the front therefore, the original stud should work ….

Not exactly. When moving the rotor to the outside, if you keep the stock studs or stock style studs, you need to put a spacer the width of the original rotor hat, between the head of the stud and the stub axle, so that the splines on the stud still sit in the axle in the same position as they did before. That results in a stud that’s effectively shorter by the width of the new rotor hat. Even when putting two piece Wilwood rotors in the OEM location, you need to shim the wheel studs by an amount equal to the difference between the thickness of a stock rotor hat and the Wilwood rotor hat. I wonder how many people install a Wilwood brake kit and wonder about the washers that are left over after the installation!

Last edited by davidnunn
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