Rotors

[Navyseal#6]

Looking for a good set of rotors for a good price, any recommendations?

[bakedziti]

Rotors as the wheels or brake rotors?

[waxxonMTL]

im looking at the same thing...

Either you go 2-piece and pay a minimum of 600$ for the front ( figure about 400-500$ for the rear) or you go 1 piece.

Althought 2 piece sound cool, I haven't saw lots of info regarding the advantage of shaving 5-6lbs per rotor. On top, I don't have fully confidence on ECS metallurgy quality. So if your going for namebrand 2piece, your looking at a whopping 800ish for front only.

I rather go 1 piece stoptech sport slotted ( which are similar to their 2 piece rotor) and save that money toward quality 200treadwear tires :) my 2cent

[AnotherJake]

Really like mine from ECS.

[Factis]

Less rotating mass. Simple.

Have people posted issues with ECS rotors?

im looking at the same thing...

Either you go 2-piece and pay a minimum of 600$ for the front ( figure about 400-500$ for the rear) or you go 1 piece.

Althought 2 piece sound cool, I haven't saw lots of info regarding the advantage of shaving 5-6lbs per rotor. On top, I don't have fully confidence on ECS metallurgy quality. So if your going for namebrand 2piece, your looking at a whopping 800ish for front only.

I rather go 1 piece stoptech sport slotted ( which are similar to their 2 piece rotor) and save that money toward quality 200treadwear tires :) my 2cent

[MrFunk]

Really like mine from ECS.

I'm running same.
They are good in the dry but when the going gets very wet or slushy they retain a lot of water in the slots and holes... especially at highway speed and initial bite can be reduced to about nothing and takes 2-3 seconds to evacuate the water and get braking force again...

[El Presidente]

Ive got Zimmerman rotors and Hawk 5.0 pads. The rotors were about 75$ each and pads were $250 for front and back! I daily my S4 so they seem to be holding up nicely.

[Navyseal#6]

Thanks guys

[waxxonMTL]

to sum up, from what i understand, the stoptech slotted sport ( you can even add cryo for 20$/rotor , still unsure if its worth it or not..) will offer you pretty much the same advantage as the 2 piece rotor from stoptech except for a weight shaving of approx. 5lbs and better cooling vane (which if you dont track arent reallly needed)

[RudyH]

Althought 2 piece sound cool, I haven't saw lots of info regarding the advantage of shaving 5-6lbs per rotor. On top, I don't have fully confidence on ECS metallurgy quality. So if your going for namebrand 2piece, your looking at a whopping 800ish for front only.

I don't think you can put anything tangible down using measurements to say 'this made this much of a difference'.

Keep in mind I did shocks at the same time, I did notice stuff like engine response was much nicer. Almost like having a light weight flywheel would while in gear. From driving the car over the years, it felt like there was less burden and the engine felt more lively. Would that show a difference on say a dyno? I don't think so, but personally never did a before and after

It's really hard to say for handling and braking but these two are suppose to be influenced too by lighter rotors.

If both were the same price, 2 piece every time. HOWEVER, the cost of a 1 piece vs 2 piece is significant and it's not for everyone that's for sure.

Would I do it again? I think I am suffering from 'what's left to do' syndrome

[ECS Tuning-Audi]

On top, I don't have fully confidence on ECS metallurgy quality.

All of our 2-piece rotor rings are made from high quality FC-30 cast iron which has a high carbon content. This improves wear at elevated temperatures and has excellent thermal conductivity as well as vibration damping properties.

I'm running same.
They are good in the dry but when the going gets very wet or slushy they retain a lot of water in the slots and holes... especially at highway speed and initial bite can be reduced to about nothing and takes 2-3 seconds to evacuate the water and get braking force again...

Seems most vehicles brakes struggle in heavy rain/slush conditions as I've heard people having issues with factory brakes too.

2-3 seconds seems excessive, what pads are you running?

Jason

[XLR8 Craig]

Looking for a good set of rotors for a good price, any recommendations?

We highly recommend Centric and StopTech products.


You can view all of the StopTech products here. But if you enter your vehicle info, you can see everything else we carry!

http://vag.excelerateperformance.com...h/b-10217.aspx

Thanks,

Greg

[yakev724]

Ive got Zimmerman rotors and Hawk 5.0 pads. The rotors were about 75$ each and pads were $250 for front and back! I daily my S4 so they seem to be holding up nicely.

+1 to zimmerman rotors. just installed sets on a couple family cars and they are nice quality rotors at a good price. come coated so they shouldn't rust up.

I've gone with akebono euro ceramics recently, but have run Hawk HPS in the past.

[BigBluu]

We highly recommend Centric and StopTech products.


You can view all of the StopTech products here. But if you enter your vehicle info, you can see everything else we carry!

http://vag.excelerateperformance.com...h/b-10217.aspx

Thanks,

Greg

"StopTech Products for: 2015 AUDI S4 PREMIUM PLUS 6Cyl 3.0L Supercharged
Sorry, There are No Products to Show."

[LINDW4LL]

to sum up, from what i understand, the stoptech slotted sport will offer you pretty much the same advantage as the 2 piece rotor from stoptech except for a weight shaving of approx. 5lbs and better cooling vane (which if you dont track arent reallly needed)

The only benefit to the Stoptech Sports over stock is aesthetics... There's no performance advantage.

One piece and two piece rotors shouldn't be compared.

[waxxonMTL]

I don't think you can put anything tangible down using measurements to say 'this made this much of a difference'.

Keep in mind I did shocks at the same time, I did notice stuff like engine response was much nicer. Almost like having a light weight flywheel would while in gear. From driving the car over the years, it felt like there was less burden and the engine felt more lively. Would that show a difference on say a dyno? I don't think so, but personally never did a before and after

It's really hard to say for handling and braking but these two are suppose to be influenced too by lighter rotors.

If both were the same price, 2 piece every time. HOWEVER, the cost of a 1 piece vs 2 piece is significant and it's not for everyone that's for sure.

Would I do it again? I think I am suffering from 'what's left to do' syndrome

if money is no object, I agree.. shave every pound you can.

But for the money spend.. you can easily shave 10 lbs by going with LW rims for approx 1kusd ( saving a whopping 40lbs ish for 1k - let say you sell your oem rims for 500. thats 500$ for new look + 40lbs shaving) Vs. paying an extra 500 (vs 1piece) to only shave 10 lbs.

same goes for money spent... I think you would benefit more from a extreme performance tire like the RS3 or the direzza Z2 over a tire with a 300 threadwear ( which would cost also approx. 500$ more) than the shaved 5lbs per corner ( for the front only)

which 2 piece you went with ?

[waxxonMTL]

The only benefit to the Stoptech Sports over stock is aesthetics... There's no performance advantage.

One piece and two piece rotors shouldn't be compared.

You might be right !! I thought I read that the ''sport'' series shared same metal composition as the aero-rotor. but I can be wrong !

[Jake@JHM]

We have a good deal on B8 Lightweight Rotors right now: https://jhmotorsports.com/shop/catal...+Rotor&x=0&y=0

These are the same rotors that are used on the two fastest Stage 2 S4s

[SportVier]

These are the same rotors that are used on the two fastest Stage 2 S4s

Fastest around a road course or on a drag strip?

Brake performance is critical to times on the former, but rotors are just dead weight on the latter.

[waxxonMTL]

Ive got Zimmerman rotors and Hawk 5.0 pads. The rotors were about 75$ each and pads were $250 for front and back! I daily my S4 so they seem to be holding up nicely.

have you found an increase in stopping power/distance ?

( On the skyline, i ran brembo 4 piston and brembo 2 piston in the back . dba 324mm 4000 rotor and hawk HP+ ( and hawk HPS). so this is the comparaison I have in mind when talking about the S4 OEM brake.

Initial bite is stronger on the S4 which make you think it brake harder/quicker lol ( but i already got the feet to modulate that). What I like less tho is the feeling of ''floating/loose'' i get when i press on the brake at 140-150 km/h. I remember with the skyline, I could do a 4th pull till 180.. then jam those brembo and it would stock quickly and without feeling loose or anything..)

or it's still the same feeling as OEM lol ?

[chilort]

I have Apikol 2-piece rotors and I like them. I spoke with Apikol before I purchased them. They can be turned (which I don't see recommended for any of the 1-piece rotors -- though I'm sure someone can) and can be re-ringed (which isn't cheap, but you aren't starting over from scratch every time). The Apikol rotors have the correct left and right cooling fins as well. I also run the Hawk 5.0 pads. I picked up Centric cryo-treated rear rotors. So far so good.

[XLR8 Craig]

"StopTech Products for: 2015 AUDI S4 PREMIUM PLUS 6Cyl 3.0L Supercharged
Sorry, There are No Products to Show."

Thank you for pointing that out. I will fix this now.



Greg