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1,965 Posts
Discussion Starter #1 (Edited by Moderator)

    • Short Spindle Front Disk Brakes

      for Chevelles

      • Authored by Wes Vann, last revised on April 5, 1997

        PLEASE NOTE; Any time working on a raised car, it is mandatory thatjack stands are used. If removing the front suspension, a spring compressoris required in order for the work to be done safely.

        All attempts have been made to provide correct information here, however,I've not personally done this swap. Any input is welcome!

        This page covers the conversion of 64 through 72 Chevelles to frontdisk brakes using the short spindles manufactured up to and including 72.

        There was a limited number of factory disk brake set-ups available around67/68 that used a dual piston caliper. It's my understanding that theyare difficult to obtain and that parts are hard to find.

        In 69 the single piston set-up was introduced and was manufactured through72. The spindle, steering knuckle, dust shield, rotor, and caliper canbe obtained from any GM A body car. It would also be possible to obtainthe parts from a Nova (X body) or Camaro, however, the steering knuckleis different due to being "rear steer" and would have to be replaced.

        The stock upper and lower ball joints will work, as will the tie rodends.

        Assembly of all of the parts is just like a stock car. If in doubt,just get almost any manual.

        I have to assume that new flexible brake lines will be required to hookup to the new calipers and I'd recommend buying new ones or have stainlessbraided lines made. Once the car is back on it's wheels, make sure thatthe line doesn't bind or rub on anything when the wheels are turned fulllock to lock.

        On my car, I used a dual power master cylinder set-up. You can readabout it at tecref2.

        You should at the least run a master cylinder that is the same boreas the car that you got the brakes off of.

        When looking for a master cylinder, there is another item that shouldbe noted. Some of the pistons within the cylinder have a deeper seat forthe push-rod. I believe that there is only two different depths and it'seasy to spot which is which. When I did my car, I ended up with the cylinderhousing that I wanted and had to swap the piston assembly to the correctone to match the power booster.


        1. Even if the original rims were 15", they may not clear the diskbrake caliper. There was a change in the rim profile made when disk brakescame more common. The older 15" drum brakes may not fit, and 14"rims would be in question.

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