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Brake pad replacement

Discussion in '2015+ Shelby GT350 Mustang' started by Zeromaz, Jul 26, 2018.

  1. Zeromaz

    Zeromaz Member Established Member

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    I’m tired of cleaning wheels. Anyone replace their pads with something that doesn’t cough off so much dust?
     
  2. ZEN357

    ZEN357 Active Member Established Member

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    PowerStop Brake pads and rotors. No dust!!! Call Jegs or Summit racing for your specific application and they can help sort out what you need.
     
  3. Zeromaz

    Zeromaz Member Established Member

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    Swapping the rotors needed?
     
  4. ANGREY

    ANGREY Active Member Established Member

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    Can someone outline the tradeoffs with a pad/setup that doesn't create as much dust? I'm guessing that ceramics don't perform as well so the tradeoff is squeal and dust in exchange for slightly reduced performance.
     
  5. Drewsky65

    Drewsky65 Active Member Established Member

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    here is a great vid on some Ferodo's that will keep the dust down.
     
  6. AustinJ427

    AustinJ427 Well-Known Member Established Member Beer Money Bros.

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    Any moderately quick driver can hump a ceramic pad into submission within a few laps on a track. But for a street only car you probably wouldn't notice any difference.

    The factory ones are actually quite good. They easily outlast the tires.
     
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  7. galaxy

    galaxy Member Established Member

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    This is a great statement! You'll hear quite a few guys bag on ceramic pads and how much braking capability you'll lose with them...on the track. On the street, who cares. If you're fading a quality ceramic pad on the street, even some aggressive mountain driving, you're probably being an idiot (OMG, I just sounded like my dad, LOL).
     
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  8. Tob

    Tob Salut! Staff Member Super Moderator

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    If you go as far as changing your front pads, do yourself a favor - add caliper studs from Caliperfexion. Makes for much simpler maintenance and you'll no longer be buying new bolts every time you service your brakes and they mitigate thread damage to the aluminum knuckles.
     
  9. Zeromaz

    Zeromaz Member Established Member

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    What are the differences between the two different metals (aside from asthetics) on the Caliperfexion studs?
     
  10. JAJ

    JAJ Active Member Established Member

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    I'm sure Tob will have a more complete answer, but I prefer the black steel versions because they're less likely to corrode in contact with aluminum. They're also stronger, but in this application that's not really a factor.
     
  11. AustinJ427

    AustinJ427 Well-Known Member Established Member Beer Money Bros.

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    After this next track day I'll probably be looking into a brake replacement and those studs are going to be the first thing ordered.
     
  12. Tob

    Tob Salut! Staff Member Super Moderator

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    The 4340MP has a slightly higher tensile strength than the 17-4PH stainless as well as having a higher Rockwell number (hardness). These two images may help.

    Z%20cali-X5.jpg
    Z%20cali1-X5.jpg

    That said, either exceeds the necessary strength to clamp the joint between the Brembo caliper body and the aluminum knuckle. Stainless is typically more expensive but doesn't have to be coated and it is heat treated before machining as opposed to 4340 which is done after. In the end the cost of each is fairly close. Note that the specific 17-4PH alloy studs are used in a number of race applications and isn't just a pretty fastener. The company that manufactures them to Caliperfexion's spec also makes them for a large number of race teams across the spectrum. One of them, for example, is for Multimatic and they in turn use them on a number of cars they build for Ford. The GT4 Mustangs use the same 17-4PH alloy on their front and rear knuckles/calipers...

    p20171006_110943.jpg
    p20171006_110715.jpg
    20180126_160656-X4.jpg

    In other words, either is up to task in this application. It is more a personal preference decision than anything else. Here's a writeup Terrance did a year or so ago on them.
    https://www.svtperformance.com/foru...350-brake-stud-install-other-updates.1131439/

    There is indeed the potential for a galvanic reaction when two differing materials come in contact with one another along with an electrolyte. Be aware though, that this is happening throughout most any car chassis or suspension. Realistically speaking, I think it fair to assume that most don't drive their GT350 through salt/slush baths in cold winter regions and then park their vehicle without cleaning. Most every joint/fastener begins to corrode at that point on some scale or level.

    To aid in mitigating the potential for any a reaction at the joint, Caliperfexion supplies a blister pack of ARP thread lubricant. Among other things it does, it protects the A356 aluminum knuckle as well as the 17-4PH stud from any type of corrosion from occurring where the stud makes contact with the knuckle.



    You'll be happy you did come time to change pads, I promise you.
     
    Last edited: Aug 3, 2018
  13. ANGREY

    ANGREY Active Member Established Member

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    Awesome information. Which Rockwell scale are they using? Values are way low for any steel really.
     
  14. Zeromaz

    Zeromaz Member Established Member

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    Tob likes this.
  15. JAJ

    JAJ Active Member Established Member

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    Once you've had to clean this type of mess up on a set of brakes, you rapidly lose interest in doing it again.

    What? Wait? Why am I using WD40? Did I miss something?

    I couldn't agree more!
     
  16. Tob

    Tob Salut! Staff Member Super Moderator

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    If you know your scales then only one correlates. That said, the numbers I quoted are right in line with respect to each alloy as necessary for this application.
    The thread lubricant was added to the kits because it's simply a good idea to use it.:)
     
  17. JAJ

    JAJ Active Member Established Member

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    I think you meant to say "The thread lubricant was added to the kits after you bought yours because it's simply a good idea to use it."
     
  18. Brutal Metal

    Brutal Metal Well-Known Member Established Member

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    You can't be serious?^^ Mine dust like a friggen MoFo! It's Awful..
     

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