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INASNT Grand Master

INASNT

Posted
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I have managed to find someone that will sell me some new RDA front/rear slotted rotors for a very good price for the gts-t. They are similiar od and thickness to the DBA equivalent rotors.

Who has used the RDA's and how do they compare to the DBA's??

I plan to use the RDA's for track days with the stock 4 piston r33 gts-t callipers and racebrakes compound pads till i get more $$ for some brembos or ap racing callipers.

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Abo Bob Grand Master

Abo Bob

Posted
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Do a search :D:D:D:D

It is a bit hard at the moment but there was a really good thread on these exact things about a year ago. Try searching rotor threads that Roy has posted in.

I seem to recall the general consensus was that they were good value and did the job.

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Beer Baron Grand Master

Beer Baron

Posted
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i have used them before and didn't have any problems but i know of plenty of people who have had problems with them. They are by no means a 'performance' rotor. they are just a cheap arse made in china disk.

all depends on how cheap is cheap and how much importantce you place on your brakes.

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INASNT Grand Master

INASNT

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Rotors & Drums commenced operations in Melbourne Victoria in 1987 and has grown from a small trade and retail parts supplier to today offering the largest range of Disc Brake Rotors and Brake Drums in Australia and New Zealand.

Our range encompasses some 1530 vehicle applications and covers everything from Alfa to Volvo and all makes in between.

We also stock a large range of applications that were not directly released into the Australian and New Zealand market, but have found their way onto our roads by way of private import.

Rotors & Drums is Australia’s largest Independent Rotor and Drum wholesaler and is a family owned company.

U sure they are made in China????

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GTRgeoff Grand Master

GTRgeoff

Posted
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Denham I hand you your ass at the track using them....and a few guys using the rediculously priced DBA stuff.

Go with them mate. Never heard of a failure and yet the DBA stuff is a bit of a concern in some circles and I do know of failures and a well known race brake expert dislikes them.

DBA sponsor Improved Production in NSW. RDA sponsor same in Vic.

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datsqik Enthusiast

datsqik

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Ive been using the RDA stuff for a while and like them.I havent used them for circuit racing but use them for drag racing in one of my cars which uses green stuff pads and they work well cold braking at 140mph. I had a bit of a bad run a few years ago with dba rotors where they would start to shuder and stuf after a 1000k's of hard driving and whenever i rang and asked for a reason why it was happening i was allways told it was because of brake pads or not being bed in properly. So i tried some cheap rda rotors and never had the same problems again.

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INASNT Grand Master

INASNT

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Denham I hand you your ass at the track using them....and a few guys using the rediculously priced DBA stuff.

Go with them mate. Never heard of a failure and yet the DBA stuff is a bit of a concern in some circles and I do know of failures and a well known race brake expert dislikes them.

DBA sponsor Improved Production in NSW. RDA sponsor same in Vic.

Jeff u think the gtr size 325mm od fronts of the rda can be used with an adaptor to fot on the gts-t like the dba gtr ones can?

The GTR ones are not much more but are alot bigger.

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GTRgeoff Grand Master

GTRgeoff

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Denham, consider the thickness as well. Are they 33mm compared to the 30mm of the GTSt size?

If they will fit then do it. Get the spacers made and enjoy. Might be some extra cost in the final solid brake line elbow mod though.

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INASNT Grand Master

INASNT

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I know brisby is using some 5000 dba's with adapter and apparently working well for him. Is racebrakes the only place that sells the adapter?

So ur using the rda gts-t replacement front rotors right? How many track days have they seen and what condition are they currently in? I can get them for $150 each front and $75 each rear.

whats the final solid brake line elbow mod required?

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Roy Grand Master

Roy

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Posted

Mine are not DBA 5000s, they are only the 4000s. Race Brakes no longer do the adaptors, it seems that RB - Vic isnt a fan of them , so stopped doing them based on the fact that they feel it is to much a compromise.

Be careful when grabbing too thick a rotor, you may find you are needign to machine down the pads so you can get them to fit, as the calipers may only be designed for 28/30mm etc rotors

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INASNT Grand Master

INASNT

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Mine are not DBA 5000s, they are only the 4000s. Race Brakes no longer do the adaptors, it seems that RB - Vic isnt a fan of them , so stopped doing them based on the fact that they feel it is to much a compromise.

Be careful when grabbing too thick a rotor, you may find you are needign to machine down the pads so you can get them to fit, as the calipers may only be designed for 28/30mm etc rotors

Both the 4000 and 5000 fronts are 30mm thick.

I am talking front rotors here not back.

How else do you fit bigger than 296mm front rotors on a gts-t?

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INASNT Grand Master

INASNT

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MILD TRACK USE WITH EBC GREENSON

THE MAZDA,

A MATE OF MINE USES THEM ON HIS E30 RACE CAR WITH

EBC PADS AND THEY LAST ABOUT 70-100 HARD LAPS

DEPENDING ON WHAT TRACK,

FOR A WEAR AND TEAR ITEM THEY ARE PRETTY GOOD

VALUE FOR MONEY

do they need the alloy hats to fit or are they direct fit?

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GTRgeoff Grand Master

GTRgeoff

Posted
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Denham

No they are not alloy hats, especially not at that price.

The thickness of a GTR disc is greater (33mm) than the GTSt so I'd be concerned if they are selling that size in a narrow disc of 30mm. Maybe just an option for GTSt but not for GTR.

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INASNT Grand Master

INASNT

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Denham

No they are not alloy hats, especially not at that price.

The thickness of a GTR disc is greater (33mm) than the GTSt so I'd be concerned if they are selling that size in a narrow disc of 30mm. Maybe just an option for GTSt but not for GTR.

The dba 4000's for the gtr are also 30mm thick.

I can get the rda's for cheaper than that site i posted the link to :P

Are these the fronts ur running geoff?

http://www.brakesonline.com.au/catalog/pro...roducts_id=1731

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