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Old 09-18-2007, 01:35 PM   #1 (permalink)
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SRT-8 Pads performance questions

As I go to more track days I'm wearing the pads down.

So it's time to think of new pads.

I'm concerned about performance. I'm not concerned about the brake dust from the OEM pads. But I do use this car on the street to the tune of about 1,000 miles/month (not heavy traffic), so I don't totally want "good for 1 track day" pads, either.

I've heard many people say great things about the posi-quiets, but they do seem heavily focused on the lack of dust. I would be sad if I had only "adequate" braking action and clean wheels, though.

And I sure wouldn't mind not paying the high dollar for the OEM pads!

I know this has been asked before, and I hunted a bit, but I never really found a thread that answered the question in a way I found comfortable.

Thanks!

Steve
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Old 09-18-2007, 01:46 PM   #2 (permalink)
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DaveZ offers full race pads on his site. Here's a description of them:

Quote:
Porterfield R4Full Race pads are extremely rotor friendly, with consistent modulation throughout their temperature range. The Carbon Kevlar material warms up quickly, making them good for short events and cold weather. Excellent for novice through advanced intermediate drivers. Not for street use.
These pads are costly, $250/$170, but not as much as OEM's run.
Changing the pads on these cars is VERY easy. This is an option for you to use. For street use you could easily go back to OEM's if you're not concerned about dust, or invest in the Posi Quiet pads from his site.

You can order from his site here - Chrysler 300C SRT8 Products: StopTech big brake kits, stainless steel braided brake lines, tires.

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Old 09-18-2007, 01:59 PM   #3 (permalink)
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posi-quiet does reduce the brake performance a liiitle.

Cheper, less dust, no squeel, and just a little difference in performance?. Good enough for me. I have no idea how good it is at the track though...
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Old 09-18-2007, 02:18 PM   #4 (permalink)
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The pedal feels a bit softer with the posi-quiets, and I suppose that translates into a little less braking efficiency. But your foot adjusts pretty rapidly to the feel, and I have not felt any insecurity with agressive stopping action. However, the joy of not having to clean brake dust daily, or every other day is remarkable! LOL
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Old 09-18-2007, 04:46 PM   #5 (permalink)
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I can tell you that the Posi-quiets are accused by other Dodge vehicle owners as being rotor warpers....they have low dust...but that's about the only benefit.
You couldn't pay me to put those on with all the issue's Dodge truck owners have had with them.
If you really want good pads, I suggest calling Porterfield Racing. They are brake pad and rotor experts. They make pads and sell all other brands and know what works on the street and the track. They have never steered me wrong and I operate a heavy, under-braked car on the street and at club road events...a Twin Turbo Stealth.

Porterfield Racing Brake Pads - Brake Pads for your auto, van and truck. The original Carbon Kevlar Racing Brake Pad. Racing Rotors, Calipers, Fuel Cells, Drum Brakes, Disc Brakes.
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Old 09-18-2007, 05:04 PM   #6 (permalink)
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I put the Posi-Quiets on along with the new slotted rotors... Never bedded them and honestly can't feel the difference between these and stock. I would say, however that if you put them on old rotors the story might be different. As far as rotor warping issues, I guess I'll see. I've only got about 2K miles on them and they seem to be great. Very little dust, a feature that did attract me.
All things considered, I have no complaints.... yet.
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Old 09-18-2007, 06:36 PM   #7 (permalink)
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Originally Posted by Chase300 View Post
I can tell you that the Posi-quiets are accused by other Dodge vehicle owners as being rotor warpers....they have low dust...but that's about the only benefit.
You couldn't pay me to put those on with all the issue's Dodge truck owners have had with them.
If you really want good pads, I suggest calling Porterfield Racing. They are brake pad and rotor experts. They make pads and sell all other brands and know what works on the street and the track. They have never steered me wrong and I operate a heavy, under-braked car on the street and at club road events...a Twin Turbo Stealth.

Porterfield Racing Brake Pads - Brake Pads for your auto, van and truck. The original Carbon Kevlar Racing Brake Pad. Racing Rotors, Calipers, Fuel Cells, Drum Brakes, Disc Brakes.
Those are the same pads DaveZ sells as per my post above.

Bernie
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Old 09-18-2007, 07:19 PM   #8 (permalink)
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Quote:
Originally Posted by Chase300 View Post
I can tell you that the Posi-quiets are accused by other Dodge vehicle owners as being rotor warpers....they have low dust...but that's about the only benefit.
You couldn't pay me to put those on with all the issue's Dodge truck owners have had with them.
If you really want good pads, I suggest calling Porterfield Racing. They are brake pad and rotor experts. They make pads and sell all other brands and know what works on the street and the track. They have never steered me wrong and I operate a heavy, under-braked car on the street and at club road events...a Twin Turbo Stealth.

Porterfield Racing Brake Pads - Brake Pads for your auto, van and truck. The original Carbon Kevlar Racing Brake Pad. Racing Rotors, Calipers, Fuel Cells, Drum Brakes, Disc Brakes.
I have over 6k miles on mine now and I find it hard to believe they could be the cause of rotor warping. Perhaps there is something different about Dodge trucks, although in a sense the Magnum is considered one of 'em I think.
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Old 09-19-2007, 11:38 AM   #9 (permalink)
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Quote:
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Those are the same pads DaveZ sells as per my post above.

Bernie

Well yes I guess he does sell them, but does not have the RS4's listed, which is their street pad...and its great!

I notice the posi-quiets are semi-metallic, which can result in squeaky noises while braking.

Last edited by Chase300 : 09-19-2007 at 11:46 AM.
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Old 09-19-2007, 11:45 AM   #10 (permalink)
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I have over 6k miles on mine now and I find it hard to believe they could be the cause of rotor warping. Perhaps there is something different about Dodge trucks, although in a sense the Magnum is considered one of 'em I think.
I have a Durango, which has too small a brake so its worked hard. The stock rotors don't hold up well. A lot of owners who switched over to a slotted rotor and the posi-quiets still had issues with warped rotors.

I put Porterfield cross-drilled rotors on mine at 40K along with their RS4 pads. At 40K the stock pads were worn out as well as the rotors. I tow a large boat which doesn't help the brakes. Anyhow, I now have 176K on the truck, which is 136K on the rotors and I put 80K on the RS4 pads. The truck stops much better, I've had no rotor warp issues, and the pads are low dust. I will be putting the RS4's on my C when the time comes, that's for sure.
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