Porterfield R4 (and R4s) Race Compound Brake Pads

Discussion in 'Fiesta ST Road Racing' started by McRib 1s Back, Mar 28, 2014.

  1. MLKN

    MLKN Active Member

    Didn't bed them because I was worried about screwing something up. I look at the rotors and looks like a single line of wear near the outer edge of it.. near where the retaining clips the pads slide into are. This is on both sides.
    Last edited: Oct 20, 2014
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  3. MLKN

    MLKN Active Member

    The heat shield was my first idea. Will have to trouble shoot tomorrow.
  4. McRib 1s Back

    McRib 1s Back Well-Known Member

    Noise is part of the deal with R4/S. If the sound is uniformly coming from all corners, it's probably normal. Their batches can vary, and I've had noisy and mostly quiet experiences.
  5. McRib 1s Back

    McRib 1s Back Well-Known Member

    The appearance of uneven wear is typical. Once you bed them, you'll see it even out. After my first track day, it was perfectly even.
  6. McRib 1s Back

    McRib 1s Back Well-Known Member

    That's a quick job, and worth doing if you believe there's possibly something amiss.

    I'm betting you did it right, and won't find anything wrong.

    The incredible gains in power here aren't free. You pay for it with a noisy and dusty pad! It's why I'd just swap the pads at the track and stick with R4 race only. Depending on your style and expectations, the street pads may let you down.
  7. MLKN

    MLKN Active Member

    Okay. I'm going to share my idiot experience with you. Many of you may relate. To set the stage... I had to sneak out while wifey was watching TV and baby was napping to change the pads. I'm rushing along and all is going smoothly until... "When are you gonna be done... I need you to watch the kids... I don't feel well and I have to get dinner ready". I proceed to rush the job, put a pad in backwards, and break a bolt. I fixed the bolt and finished up. The sound I was hearing was the wrong side of the pad rubbing the rotor. I always thought I was never dumb enough to make such a mistake. The moral of the story is wives make you dumb.
  8. ryst

    ryst Active Member

    I 100% relate to this story.

    "When are you going to be done" is my wife's favorite phrase.
    Mr UFO likes this.
  9. razorlab

    razorlab Active Member

    I did that once a long time ago after rushing to swap my street pads back on to drive home from the track. ;)

    Glad you got it figured out.
  10. McRib 1s Back

    McRib 1s Back Well-Known Member

    This story made me smile, thank you for sharing. I agree, this is your wife's fault, not yours! :)
    Firesail likes this.

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