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    1. #1
      Join Date
      Apr 2007
      Location
      SEBRING, FL
      Posts
      160
      Country Flag: United States

      What bore size MC?

      OK I just got a set of front calipers and rotors off a 97 Cobra. They are 2 piston, and have 13" rotors. I will probably be running the single piston Cobra calipers on the rear as well. What bore size on the M/C should I use, as I'm staying with a manual brake setup? I would like to get a nice Wilwood M/C.

      Travis L


    2. #2
      Join Date
      Oct 2004
      Location
      Batesville, IN
      Posts
      908
      Country Flag: United States
      I have essentially the same brake setup on my '89 Mustang, but I'm running the stock Fox booster with a '93 Cobra MC. I would think you'd want to go fairly small diameter with a manual. Mine is 15/16" w/ a booster and is still pretty firm. It depends on your pedal ratio too compared to mine............

      Hopefully someone "in the know" will chime in!
      Brandon Wiedeman
      1972 Suburban
      1967 Chevy II - Project not yet started

      I have about 3 lifetimes worth of projects planned out in my head!
      Wiedo's

    3. #3
      Join Date
      Jul 2009
      Posts
      17
      Quote Originally Posted by ProMav71 View Post
      OK I just got a set of front calipers and rotors off a 97 Cobra. They are 2 piston, and have 13" rotors. I will probably be running the single piston Cobra calipers on the rear as well. What bore size on the M/C should I use, as I'm staying with a manual brake setup? I would like to get a nice Wilwood M/C.
      With a power booster, for something streetable I like the 1 1/16in SN95 V6 Mustang MC, it's what I had in my '89 Mustang before it went to a balance-bar setup and that MC is going into my '65 Mustang (with a 4cyl Fairmont booster eg. mustangsteve.com)

      I'd had a 15/16in MC in the '89 but the pedal travel was a bit long and I couldn't heel-toe properly.

      Of course, all this depends somewhat on the mechanical ratio at the pedal and whether you're running a power booster.

      When you're talking about Wilwood MCs are you talking about a balance-bar setup or one of their Mopar-type conventional tandem MCs?


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