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Thread: Data/recommendations rotors/pads '05 25GT

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    SLi Resident LunchBox04V's Avatar
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    Data/recommendations rotors/pads '05 25GT

    I did a fair amount of searching and I couldn't really get the answer I was looking for. It's finally time to change/upgrade my brakes. My car is a 2005 Legacy 2.5GT. I was hoping to get some suggestions from people on their set ups, especially if they have a 4th gen. My current needs are aggressive daily to occational (maybe twice a summer) autocross. From what I've gather on others suggestions... I was thinking of:

    Upgraded idea...
    - DBA 4000 T3 Rotors (Sloted)
    - EBC RedStuff Pads (ceramics)

    Normal/slight upgrade...
    - OEM Rotors (plain vented)
    - EBC GreenStuff Pads (Semi-metallic)

    I'm not opposed to going back to OEM rotors and an upgraded pad, I'm just looking for data from what people are using. There are several threads out there, but many are old and LOADED with trolling/flaming. Thank you in advance for any information and suggestions.

    **********UPDATE with DATA:**********
    Well I've been going round and round on this one, and I think I have it sorted out. I decided on the DBA 4000 T3 rotors long ago. The trouble was with the pads. Data on pads is like pulling teeth!! So, I did a little home testing of the current setup (factory rotors, and pads, with at least 25000 miles on them, previous owner did them who knows how long ago), and some data I found online. So here is the data:

    Short Conclusions: Rears run almost exactly 20% cooler than the fronts (hooray for brake bias), and I'm going with Carbotech 1521 Bobcat pads (though I have no posted data on them). Talked to the guys at Oakos Auto and he kinda set me straight on the pads.

    Current Setup testing:
    - Conditions: Temp 46*F, Rained earlier, roads wet (<1/8" water).
    - Equipment: Craftsman IR Thermometer (Measured temp on each rotor in three places)
    - Car: 2005 2.5GT, with factory rotors and pads (at least 25000 miles on them, in good shape) stock wheel size running RE11A.
    Data:
    Under normal braking from 45-0, normal pressure on the peddle (3 Stops averaged, 120 seconds between tests)
    - Fronts: 156*F
    - Rears: 121*F
    Running 4 sides of a "cloverleaf" onramp (the 270* onramps) (2 tests, 70-25 four times per test, 180 seconds between tests)
    - Fronts: 302*F
    - Rears: 230*F
    Panic Stop, xxx-0 (undisclosed top speed... but take a guess, 2 tests, 180 seconds between tests, tested to ABS activation)
    - Fronts: 309*F
    - Rears: 227*F

    Charts:
    Different Hawk Pads:


    Different EBC Pads:


    Car and Driver Test data: MX5
    Orange: Mazda Pads
    Light Blue: EBC Yellow Stuff
    Light Green: Hawk HPS
    Dark Blue: Hawk HP+


    Car and Driver Article:
    http://blog.caranddriver.com/performanc ... llowstuff/

    Hope that helps people out a little. lol
    The three most common expressions in aviation:
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    "Oh S...!" *(The last three letters are omitted since when this expression is said, there is little chance to finish it)*

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    Th3 EviL OvErLORd Reason's Avatar
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    Re: Data/recommendations rotors/pads '05 25GT

    Both are fine, I like to "upgrade" what I can if I can. DBA 4000 T3 are nice rotors, IDK how much dust the redstuff put off, but that setup is what I had planned for my next brake upgrade.
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    SLi Resident LunchBox04V's Avatar
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    Re: Data/recommendations rotors/pads '05 25GT

    Outstanding. Good to hear. I have just heard several horror stories about adding "performance" pads and the braking getting worse. lol I clearly don't want that. I know I saw someones Member Ride 1 post that had the DBAs. Anyone got some first hand experience?
    The three most common expressions in aviation:
    "Why is it doing that?"
    "Where are we?"
    "Oh S...!" *(The last three letters are omitted since when this expression is said, there is little chance to finish it)*

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    Re: Data/recommendations rotors/pads '05 25GT

    Lunch box I sent you a PM
    4Zero1 Motorsports

    2010 BM GT
    1998 BD L EJ25/EJ22 High Compression
    1993 GSX-R 750 (version 2.0)
    1993 Suzuki GSX-R 750
    1998 BK L PARTED
    1991 Legacy SS SOLD
    1997 BD GT R.I.P. 12/24/06 Running Mean with 117 whp!
    1989 Honda CR-X A.K.A. "The Beast"
    1991 Suzuki GSX-R 750 R.I.P. 11/10/06

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    "No matter how much you've done, or how successful you've been, there's always more to do, always more to learn, and always more to achieve." - Barack Obama

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    t3h ub3r m3mber r3v_v3ng3's Avatar
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    Re: Data/recommendations rotors/pads '05 25GT

    What about racing brake patented design open slot front rotors? It shaves about 5 lbs, a little pricey though but I think I paid about 275 shipped on mine. I don't have experience on the 4th gen but I have an 05GT full brakes with racing brake open slot rotors on my 2nd gen and luv it!

    Here is a link from racingbrake but might find it cheaper thru amazon
    http://www.racingbrake.com/LEGACY-2-5-G ... 13-381.htm

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    SLi Resident LunchBox04V's Avatar
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    Re: Data/recommendations rotors/pads '05 25GT

    They look kinda interesting. I live in Michigan and the salt the ever loving crap out of the roads here. I don't know if having that much access to the inner part of the rotor would be good for them here. I like the idea though. What do they use in NorCal? My buddy in Oregon said they use sand. (Lucky bastards. Lol)
    The three most common expressions in aviation:
    "Why is it doing that?"
    "Where are we?"
    "Oh S...!" *(The last three letters are omitted since when this expression is said, there is little chance to finish it)*

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    Re: Data/recommendations rotors/pads '05 25GT

    Updated with data on the first post. Hope everyone likes the data, I enjoyed getting it.
    The three most common expressions in aviation:
    "Why is it doing that?"
    "Where are we?"
    "Oh S...!" *(The last three letters are omitted since when this expression is said, there is little chance to finish it)*

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