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Brake caliper pistons

5.9K views 13 replies 6 participants last post by  mattg  
my brake drag went away till i did hard braking. I could get 4 turns out of it... after hitting turn 5 just once, i was back down to one revolution.

i was using valvoline DOT4 synthetic with a 574* boiling point. :( i should go buy some of this stuff. https://www.innovativetuning.com/catalog/product_info.php?products_id=76

i get almost 1 turn out of a free revolution right now. i'd be happy if i could get 4. one of the guys i track ride with has an 05 r6 and gets no drag.


this just sucks.
 
I'm having a huge problem with brake drag. I've put in new seals, cleaned the pistons, rebuilt the master, and now i've ordered new rotors.

my brakes drag, and the other major problem is that I have to pump the brakes back up after hard braking. This is especially a problem at Road America, braking into turn 5 is great, but then I have to pump them back up 2-3 full pumps before I have anything for turn 6. :(

What do you guys think?