displaying posts 1 to 19 of 19

Author Subject: Recommend a decent track fluid?
braymond

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Location: Brighton

Registered: 20 Aug 2008

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Post #1
And also put "dot" into laymens terms.

Thanks

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Posted 20th Sep 2012 at 11:46
prism7guy

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Location: DoncastAAAAARGH

Registered: 13 Jan 2008

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Post #2
Ive got ap racing 600 in one of my cars and ate super blue or whatever it's called in the other. Not had fluid issues in either whilst on track, ruined many discs though.

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Posted 20th Sep 2012 at 12:29
welshpug!

Capt Pedantic

Location: Bigend, Wales.

Registered: 27 Mar 2007

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Post #3
http://en.wikipedia.org/wiki/Brake_fluid

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Posted 20th Sep 2012 at 12:31
phillipm

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Location: Rotherham

Registered: 15 Oct 2006

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Post #4
Dot in laymans terms:

Use DOT 4, or DOT 5.1, don't ever use DOT 5

Wink

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Posted 20th Sep 2012 at 12:35
welshpug!

Capt Pedantic

Location: Bigend, Wales.

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Post #5
haven't you got that wrong way round phill?

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Posted 20th Sep 2012 at 12:51
clen666

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Location: Co. Durham

Registered: 12 Feb 2009

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Post #6
As in don't use dot 5?

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Posted 20th Sep 2012 at 12:56
mr swampy s16

**BAD SELLER**

Location: out and about

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Post #7
Ate blue for me
Posted 20th Sep 2012 at 13:10
braymond

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Location: Brighton

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Post #8
Ok, so DOT 3, 4 & 5.1 is Glycol based, and DOT 5 is Silicone based (thanks for the link WP) That would suggest to me that 5 is one to avoid yes?

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Nurburgring article
Posted 20th Sep 2012 at 13:19
phillipm

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Location: Rotherham

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Post #9
welshpug! wrote:
haven't you got that wrong way round phill?


You never saw nuffink LOL

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Posted 20th Sep 2012 at 13:25
braymond

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Post #10
LOL

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Posted 20th Sep 2012 at 13:27
clen666

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Location: Co. Durham

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Post #11
What if it's a completely new system, ie new clean pipes? Would you still avoid dot 5?

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Posted 20th Sep 2012 at 13:43
phillipm

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Location: Rotherham

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Post #12
Yes

It gives a slightly spongey pedal and you tend to find any water that does make it's way into the system sinks and sits in the bottom of the calipers...

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Posted 20th Sep 2012 at 13:45
clen666

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Post #13
Thumbs up

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Posted 20th Sep 2012 at 13:48
braymond

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Location: Brighton

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Post #14
Right, thats the DOT issue swen up. Any more 'likes' for ATE blue, and also how much will I need for a full and bleed and fill?

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Nurburgring article
Posted 20th Sep 2012 at 14:07
owain

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Location: Essex

Registered: 20 May 2009

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Post #15
RBF 660, brilliant stuff and gets to silly temperatures without boiling. I think you need about a litre, maybe more if you still have ABS.

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Posted 20th Sep 2012 at 17:00
iplay

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Location: Number Wang

Registered: 18 May 2006

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Post #16
All the boiling points are listed in post#11

SRF ftw. It has the highest boiling point but that is only part of the story. It feels great too. Although it will absorb moisture over time and needs changing every 18 months. Worth it if you want the very best braking feel.
Posted 20th Sep 2012 at 20:43
owain

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Location: Essex

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Post #17
Whilst the boiling points are a good guide, I would base a choice on peoples experience rather than figures. They're an okay guide but a decent fluid will out-perform a cheaper one any day; think of them as being like fuel consumption figures for cars - you can get a rough idea which car will do better, but different manufacturers have very different ways of coming up with these figures.

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Posted 21st Sep 2012 at 07:01
daveyboy

aka Jim Davey

Location: Southampton

Registered: 01 Oct 2007

Posts: 8,648

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Post #18
I used AP551? fluid, never led me down, good consistant pedal feel. Reasonably priced and comes in sensible sized bottles so you don't waste much if you don't use all of a container full.

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Posted 21st Sep 2012 at 12:24
phillipm

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Location: Rotherham

Registered: 15 Oct 2006

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Post #19
AP's fluid tends to give a firmer/more consistant pedal than even SRF, even if it doesn't do the same temperatures.
RBF600/660 is good for the money though.

________________________________________

- Bespoke rollcages/additions/adjustments. Half cages right up to complete custom spaceframes - MSA/FIA spec, CDS, ROPT, T45, etc - PM me
Email me!
Custom-made polybushes available - need an odd size or fitment? - anything from batch work to one-off pieces.
Posted 21st Sep 2012 at 19:20

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