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Advice on slotted rotors

nismo_au
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Ashy Larry Grand Master

Ashy Larry

Posted
Posted
I'm another DBA 4000 slotted happy customer :)

Great brake for your buck!

Got mine fitted last wednesday.....

AWESOME

DBA 4000 Slotted - with the Kangaroo paw and Heat paint...

$230 a rotor not to bad......

Very happy with the purchase, no regrets from this corner

:)

Mike

Beer Baron Grand Master

Beer Baron

Posted
Posted
So whats the difference between the DBA slotted, and DBA 4000s???  Or isnt there a difference at all?

Appart from the heat paint and K Paw ventilation mentioned 4000s are also heat treated differently to the regular DBA slotted disks. They may even be a different grade of metal (not sure on that though).

Richard

Beer Baron Grand Master

Beer Baron

Posted
Posted
Hi all, I had a quick search around but couldn’t exactly find what I was looking for, so here it goes.  Breaks are coming to the end of their life and unfortunately the standard rotors are now unable to be machined back any further (front currently at 27.1mm).  I have decided to go with slotted rotors this time around as one brand that the break specialist suggested was only around $50 more than a replacement stock item.  Now what I would like to know is if anyone has tried slotted rotors by a company called RDA (Rotors and Drums Australia) for their series 1 GTS-t R33 and what were they like etc?  

At the moment tossing up the slotted RDA or the slotted DBA 4000 club-spec rotors, can anyone give me some reasons that would make my decision between the two easier? From what I can see on the forum most who have used the slotted DBA have been fairly happy.  Information on anyone’s experience with either would be appreciated.

I would advise to not buy the RDA ones. They are not a performance rotor (despite the slots)....

Richard

Duncan Grand Master

Duncan

Posted
Posted
Does anyone know what the price differential between DBA 4000s and 5000s are?

LW.

not really, we have bought 5000 series discs only (not hats) and they were about the same price as the whole 4000 rotor. Not sure that they are worth the extra price...we needed to stay stock size so they were the best we could get, but if you aren't limited you would just buy bigger brakes

dangerous_daveo Grand Master

dangerous_daveo

Posted
Posted
Appart from the heat paint and K Paw ventilation mentioned 4000s are also heat treated differently to the regular DBA slotted disks. They may even be a different grade of metal (not sure on that though).

Richard

Thats muchly. So they are definately worth the extra money. Thats all Im after.

lwells Grand Master

lwells

Posted
Posted
not really, we have bought 5000 series discs only (not hats) and they were about the same price as the whole 4000 rotor.  Not sure that they are worth the extra price...we needed to stay stock size so they were the best we could get, but if you aren't limited you would just buy bigger brakes

Interesting. Perhaps the 5000's are just overkill then.

LW.

Sydneykid Grand Master

Sydneykid

Posted
Posted
Interesting. Perhaps the 5000's are just overkill then.

LW.

They are lighter, being aluminium hats. The heat transfer to the wheel bearings is much less, and CV's if it's a GTR. Since they are semi floating, they align better to worn pads than rigidly mounted rotors. It all adds up to better car and braking performance over time, not better braking instantly.

Hope that makes sense :rofl:

lwells Grand Master

lwells

Posted
Posted
They are lighter, being aluminium hats.  The heat transfer to the wheel bearings is much less, and CV's if it's a GTR.  Since they are semi floating, they align better to worn pads than rigidly mounted rotors.  It all adds up to better car and braking performance over time, not better braking instantly.

Hope that makes sense :cheers:

Certianly does make sense, thanks SK. Might have to look into the economics of it a bit more.

Lucien.

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