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brake rotor upgrade

jvs007

By jvs007,
in General Maintenance

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Abo Bob Grand Master

Abo Bob

Posted
Posted

Should be able to get them a few dollars cheaper than that but that;s what I use. Forget about cross drilled.

There is a thread here somewhere about RDA rotors which are cheaper and appear to work just as well as the DBA ones but I haven't tried them myself.

dangerous_daveo Grand Master

dangerous_daveo

Posted
Posted
abo bob.... y do you say forget about the cross drilled ???

They are prone to cracking.

For the street slotted are more than enough anyway.

Personally Id got slotted fronts, with RB74 pads, and a good brake fluid. Go the rears as well if and or when they need doing, dont get RB74 pads on the back tho, apparently they are too much for the rear.

Abo Bob Grand Master

Abo Bob

Posted
Posted

Comp2 pads on the rear. And yes, cracking.

How much do you want to spend on the upgrade?

btw Racebrakes do the pads we are talking about. Bendix Ultimates are pretty good too and there is a forum sponsor (Kudos motorsport) selling them cheaply at the moment. Ultimates are quite dusty and sometimes squeally though. Don't know how dusty RB74's are but they are known to sometimes be a bit squeally too.

Neil Grand Master

Neil

Posted
Posted

I've been using my DBA drilled and slotted fronts for about 2 years now. They have done 3 track days and proberly 30,000 street kays. No cracking on mine and I've used Bendix Ultimas, EBC's and RB74'2. I think the fact that I warm them up before murdering them helps.

Neil.

Ronin 09 Grand Master

Ronin 09

Posted
Posted

Porsche rotors are cast with the holes in them... so minimising disturbance in metal grains and preventing stress concentrations in the metal which lead to cracking.

Quick question are R32GTR rotors drilled from factory...? The previous owner put new 'factory' brakes on and he said that they were drilled from factory

dangerous_daveo Grand Master

dangerous_daveo

Posted
Posted
Comp2 pads on the rear.  And yes, cracking.

 

How much do you want to spend on the upgrade?

 

btw Racebrakes do the pads we are talking about.  Bendix Ultimates are pretty good too and there is a forum sponsor (Kudos motorsport) selling them cheaply at the moment.  Ultimates are quite dusty and sometimes squeally though.  Don't know how dusty RB74's are but they are known to sometimes be a bit squeally too.

RB74s are shocking with dust. I have amost black wheels, and after a day, if you touch the wheels you can see hand prints. But hey, they work.

Neil Grand Master

Neil

Posted
Posted

All the Nissan Aust imports and for that matter the Private Scuderia Veloce ones all had drilled discs but not slotted. The ones that were used for heavy track use suffered from cracking but maybe that was just the fact that it was almost un-heard of back then and things have improved since then.

Most high quality performance cars now use them as standard. E46 M3's use them and BMW will be offering them as an up-grade in the not to distant future.

As I said,,,warm them up properly and you shouldn't have a problem.

I gotta tell you though 007,,, Abo Bob's front & rear slotteds look fat.

Neil.

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