Join Date: Apr 2003
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I created this thread to discuss light weight rotors that can fit on the stock WRX rims. If people want to discuss the reasons why you should or shouldn't upgrade their rotors please start another thread or read about the tons of info on the subject already in these forums.
I would love the know the weight of the stock rotors other than having to take them off and weigh them myself. I would also like any suggestions and weights on rotors that are lightweight and fit under the 02-03 stock rims.
Also another question, are the Eagle HP plus pads really worth the extra $$ over the HPS ones?
And if Ian ever reads this, on that link you gave above, were you referring to the 4000 or the 5000 series dba rotors?
And I know rotors don't help braking that much, I just want some light ones.
Right now my idea is :
Hawk HPS pad
Goodridge Brake Lines
Some DOT4 brake fluid (any suggestions?)
and some slotted rotors. (kinda leaning to dba 4000 now)
Any specs on weights of different rotors would be awesome but I don't expect it.
(Also car is 03 WRX, daily driver that will see 1 maybe 2 track days / year and will have to deal with snow and salt)
Thanks - YELOWRX
Where did youget this from? I've never heard/read anything that supports this.
Lightweight rotors will both reduce unsprung weight as well as allow your bearings to cool faster.
Big Sky uses 2-piece DBAs and I don't think he's ever had any warping issues with them.
I already have light weight rims and wheels that combined come in at about 3-4 lbs lighter than stock on each corner (225 wheels). And I am not going to upgrade the calibers, just rotors, pads, lines, and fluid. The reason I am changing them is that I already drive harder than the stock system will allow (warped rotors with still plenty of pad left). I also don't want to waist my money, so if there was a good set of lighter rotors (oem replacements) that cost just a little more, I would just get them. I have also heard that the stock pad are what is really holding me back, and it is probably pads overheating and "welding" residue on them that warped them. But since I warped the rotors, have to replace them too.
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