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Discussion Starter · #1 ·
Hello All,

Currently, I have the Bullitt calipers up front with Raybestos drilled/slotted rotors, braided brake lines, and a good flush/bleed of new brake fluid. (There also seems to be nothing wrong with the master cylinder) I also have brand new Ford calipers in the back, with Raybestos drilled/slotted rotors in the back with Hawk Street/Strip pads.

The braking or bite is not nearly as good as I though it was going to be. (I came from the factory rotors worn out Kmart pads and the worn stock calipers)

Would replacing the pads that come preloaded in the Bullitt Calipers with a set of Hawk or EBC give me the bite I'm looking for?
 

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Did you bed in the new pads allowing for a proper break in?
Also keep in mind that slotted- drilled rotors actually have less surface contact area than non slotted rotors. A good set of hawk or ebc pads certainly won't hurt, but you may need to get your rotors turned to start with a fresh surface.


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Discussion Starter · #3 ·
Turn rotors after only having them for 3 months? Yikes!

How do I "bed" the rotors? No, I didnt do that whatever it is. Is that bad?
 

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The box the pads came in has instructions on how to bed them in. Essentially it says to perform x number of stops from 30 mph, drive for a bit then do x number of stops from 60 mph. It'll be something along those lines.
 

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You don't need to have 3 month old rotors machined.

And +1 for bedding new pads and seasoning new rotors. I'm honestly not sure how important is is to do though, considering 99% of people just put on new pads and drive away and never have issues as a result. It doesn't really apply to you anymore though since you're way past any break in cycle of the pads or rotors.

I have Hawk pads and SSBC slotted rotors (stock calipers) on my car. I suppose when I first put them on I noticed a little more bite than whatever pads were on the car before, but nothing dramatic. Have you looked into replacing the stock rubber flex lines with stainless steel braided? I haven't gotten around to it yet on my car, but I've heard they help a little with stopping power and improved pedal feel. If you're gonna spend a little money, that's how I would probably do it.
 

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Reason you may want to turn rotors is to get the old pad material off of rotor so new pads can properly break in. That is assuming that you are going with new pads on the same rotors.
It is not to grind them down, but to remove the film pads leave behind so your new pads have a fresh surface.


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