New (aftermarket) Rotors? - Page 2 - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #11 of 14 (permalink) Old 01-16-2013, 11:08 AM
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Quote:
Originally Posted by blazblu82 View Post
the holes in the rotor are there to help dissipate heat faster than non-drilled rotors. Cooler pads = better braking.
Not completely true. Depends a lot on the material. Also depends A LOT on surface area.

the big argument is 'but race car drivers have cross drilled' - that is because they are turning those suckers cherry red and must cool um off before the next time they slow.

My z rated carbon metallic pads did HORRIBLE cold, they grabbed harder then anything I ever used warm.

Ceramic suck cold.

Semi metallic is a good trade off, more dust.

I stop better with my truck with semi metallic wagner severe duty pads and a STOCK rotor then I did with the same pads and the slotted cryogenically treated ART rotors ... however throw the Z rated pads on the ART rotors do a few 60 to 10 stops to warm them up and those pads would want to lock up all 4 tires even on 37" rubber. I never got the z rated pads to 'fade' ever. Put those pads on the stock rotor and the stock rotor would be the higher wear medium and not the pad.

In performance testing I am very familiar with we actually 'warm up' the pads before doing official test runs. This is to get better deceleration numbers, and to better replicate real world.

Watching an accelerometer with the same brake pressure and cold pads you can watch the decel actually get better as the pad warms up.

To summarize: cooler pads <> better braking.

Kenny
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post #12 of 14 (permalink) Old 01-16-2013, 09:25 PM
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Note : holes, or at times even grooves, help channel water away from the disc surface as well. They somewhat also help clean crud like oils and grease off of the mating surface.



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post #13 of 14 (permalink) Old 01-16-2013, 09:43 PM
..have a vulcan good day!
 
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Originally Posted by Wolfie View Post
Note : holes, or at times even grooves, help channel water away from the disc surface as well. They somewhat also help clean crud like oils and grease off of the mating surface.
You said it before I.... That is the way I always understood it.....

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post #14 of 14 (permalink) Old 01-17-2013, 12:40 AM
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To the OP: the EBC pads I have used in the past were good, used them on my atv with good success. I do not know about their rotors but if their pads are any indication of their rotors, they should be good.

as for rotors....

I had fancy slotted ones on my truck - I was not a big fan after just a few years

http://s376.photobucket.com/albums/o.../ART%20Rotors/


And while we are talking about rotors, this was a fun story....

http://s376.photobucket.com/albums/o...%20high%20boy/

good times, good times

kenny
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