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Bonneville GXP/ Northstar Powered Cars Discuss your Bonneville GXP and/or any other Northstar powered Olds or Cadillac... Including the 3.5L Twin Cam V6 (Short Star ) 4.0L and 4.6L Northstar V8's. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 01-10-2007, 02:19 PM   #11
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Good to hear from You Obis, hope ya get to hit stateside soon. Sorry I didnt respond to this earlier, I had seen an parts poster for these guys down at the custom shop I hang out at and get alot of my work done. So I wanted to get down there and talk to the owner before I said anything. Their technigues of deggassing and only dimpling the rotors instead of drill straight through is supposse to give you the best of both worlds. I quess if you really want the look of cross drilled slots, this is the best way to go. Personally I want all the rotor surface and integrity I can get and am sticking with OEM. Ceramic pads make a difference and dont see the need to use these other than other than cosmetic.
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Old 01-10-2007, 03:44 PM   #12
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Don't get drilled. You lose braking surface area, and the rotors will crack on you. You will be hard-pressed to find a shop that will resurface them for you because of liability concerns.

OEM drilled rotors are OK on the Corvette, as the holes are cast into the raw blanks, not drilled. They also increase the rotor diameter to make up for the loss in braking surface the holes talke away.

Smooth or slotted. Not drilled.
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Old 01-10-2007, 03:55 PM   #13
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Quote:
Don't get drilled. You lose braking surface area, and the rotors will crack on you. You will be hard-pressed to find a shop that will resurface them for you because of liability concerns.
Good timing on that advice. I was just going to go get those to put on my front. I thought the GXPs had drilled rotors orignially? I could swear I saw adverts for GXPs with drilled rotors and red calipers. My brain needs a new UIM.
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Old 01-10-2007, 06:36 PM   #14
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Any PRODUCTION car with holes will be cast into the blanks, not drilled.

95% of what you find on the internet are DRILLED, not cast. The other 5% are impossible to determine how they put the holes in.
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Old 01-10-2007, 08:19 PM   #15
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I know it'* old, but In response to GXP Venom... Ceramic pads are harder on rotors from what i've read, because they run hotter. You can also feel them warming up if you have them on your car.
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Old 01-10-2007, 08:21 PM   #16
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Ceramics work great on hardened or cryo'd rotors. No added wear. I've been running ceramic for almost 4 years.
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Old 01-10-2007, 09:01 PM   #17
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Quite a few of us GXP owners have switch to ceramic~ no problems.The GXP chews it'* OEM pads something fierce.. Ands with $2000 layed out in high end wheels, I dont want that corrosive dust on them all the time.
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Old 01-10-2007, 10:46 PM   #18
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Quote:
Originally Posted by BonneMeMN
I know it'* old, but In response to GXP Venom... Ceramic pads are harder on rotors from what i've read, because they run hotter. You can also feel them warming up if you have them on your car.
I've been told I'm as dumb as a stone at my Aurora site for even proposing this idea. I mentioned that stock pad cannot handle the extra heat generated by ceramic pads and could potentially lead to damage on the factory rotors.

12 people to told me I'm wrong, it was quite the corral to get em to settle down.

I dunno what to believe anymore
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Old 01-11-2007, 11:34 AM   #19
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Well, I replaced the oem pads at 10K and they were shot again at 18K so I replaced them with ceramics. I have 35K on my gxp now and just this past weekend had the brakes inspected and was told they seem like new. With respect to rotor wear I call BS. My rotors are in exceptional shape at 35K. By the way, I drive 100 miles a day in my gxp and 30 miles or so of that is in stop and go traffic.
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Old 01-11-2007, 11:40 AM   #20
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My rotors are in exceptional shape at 35K
Where did you get your ceramic pads, what are they called/part no. and how much?
I'm doing this soon and have been convinced by people here to switch to ceramic.
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