2005 Mustang Non GT front brake setup WTB or WTT

Discussion in 'WTB Items and/or Parts' started by OutlawEvans, Jun 1, 2019.

  1. OutlawEvans

    OutlawEvans forum member

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  2. OutlawEvans

    OutlawEvans forum member

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    Bump looking for base gt front brakes
     
  3. 08MustangDude

    08MustangDude forum member

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    You already have 16" wheels right? So you mean to fit in 16" wheels?
    Or, you have 17"+ and want to come down to 16"?

    I have a V6, and I have the dual piston calipers on mine, and I have 16" wheels.
     
  4. MrAwesome987

    MrAwesome987 forum member

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    The only difference is the rotors and the caliper brackets. The caliper is the same between the GT and V6. You can probably just purchase new rotors and new brackets pretty cheap.
     
  5. OutlawEvans

    OutlawEvans forum member

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    Really? I’ve heard from everyone that the caliper needs to be downsized. Hmm that’s easier
     
  6. OutlawEvans

    OutlawEvans forum member

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    I have 18s on the car now and want to be sure I can fit 16s before ordering some so I’m looking to change the brake setup
     
  7. 08MustangDude

    08MustangDude forum member

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    You don't know anyone with 16" rims for whom you can try?

    18" to 16" you lose an inch radius, that being from the hub to the
    rim. So, measure the caliper to the inside of your rim. If you have
    more than an inch of space between the rim and the caliper, the 16s
    will fit.

    They seem to do the same thing everyone else does... For example, my
    '12 Jetta came with 288MM rotors. All I needed to do to upgrade to the
    312MM was buy the caliper brackets and 312MM rotors. From what
    MrAwesome said, that seems to be the same thing from V6 to GT, they
    use the same caliper. The GT has a bigger rotors, so the caliper bracket
    relocates the caliper outward. Also, the PAD surface is the same, same
    with my VW. The rotor, being larger simply has a space between the
    hat and pad surface, where as the V6 rotor does not.

    Example:

    288MM ROTOR:
    [​IMG]

    312MM ROTOR:
    [​IMG]
    Look at that gap from the HAT to the PAD surface, compared tot he 288MM rotor.

    That is kind of how they cheat with bigger factory brakes. Look at the difference
    too, from the wheel:

    288MM -vs 312MM:
    [​IMG]
    [​IMG]
    Look how much farther out the caliper was pushed out, with just the brackets.
    You can also see the space there between that spoke, from the hat to the rotor
    that you do not see in the 28MM rotor.

    BRACKETS:
    [​IMG]
    Left bracket is for 312MM rotors, the right one was the 288MM. That's all they do
    in some cases to make bigger brakes. IT dissipated heat faster, but the pad surface
    remains the same.
     
    OutlawEvans likes this.
  8. OutlawEvans

    OutlawEvans forum member

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    08 Mustang dude, thank you for the explanation. That makes a lot lot more sense now. I’ve always thought the Gt had a bigger caliper. That makes sense that it just uses a bigger rotor though, why not use the same parts when producing each car.
    I’ll have to find a 16in wheel and check it out. That’s a better way to start
     
  9. 08MustangDude

    08MustangDude forum member

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    I have a V6, and it has dual piston calipers. I see people selling their GT
    calipers, saying what an upgrade it is from the V6 single piston calipers.
    Well, I have an '08, and it already has front dual piston calipers. I have
    16" rims, and the calipers are less than 1/4" from the rim. So, if the
    GT ones are bigger, or even pushed out for a larger rotor, the 16" rims
    won't fit.
     
  10. OutlawEvans

    OutlawEvans forum member

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    Just did some measuring too and it looks like I have 1 inch and 1/8th of clearance from my caliper and the barrel of my 18 strs. and 1 inch and 1/2 between the barrel and the rotor.

    I reached out to RTX to get a response of the barrel measurement about a week ago, hopefully they get back to me.

    Thanks for the tips with it. If the measurements wont work im going to get the bracket and rotor combo and see if that works