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Old 05-24-2008, 02:49 AM
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openhelix
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Default Castrol SRF

I've been out of the loop for a few years. Is SRF still the best brake fluid out there or is something else better now?

Any thoughts another "old shool" favorite, Motul 600?
Old 05-24-2008, 05:08 AM
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rustyguns
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Originally Posted by openhelix
I've been out of the loop for a few years. Is SRF still the best brake fluid out there or is something else better now?

Any thoughts another "old shool" favorite, Motul 600?
nothing come within 100 degrees of the wet boiling point of SRF it rules the world!

i hate paying for it but dang~! i don't have to bleed, bleed, bleed anymore!
Old 05-24-2008, 06:00 AM
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Miaugi
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I'm in this section a lot and the consensus is that SRF is the best no doubt about it. However Motul RB600 is used by many drivers that frequent this section as well and nothing but good things are said about it....oh, I use it too!
Old 05-24-2008, 07:09 AM
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John Shiels
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Srf Is The Tops By Far:d
Old 05-24-2008, 07:14 AM
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AU N EGL
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BRAKE FLUID COMPARISON CHART
Brand Wet Boiling Point Dry Boiling Point
Castrol SRF 518°F 590°F
Motul RBF600 420°F 593°F
Wilwood EXP 600 417°F 626°F
AP-600 410°F 572°F
Brembo LCF 600 399°F 600°F
ATE-Super Blue 392°F 536°F
Valvoline 333°F 513°F
Castrol LMA 311°F 446°F
Ford HD 290°F 550°F
Wilwood 570 284°F 570°F
PFC-Z rated 284°F 550°F
AP-550 284°F 550°F


I might be missing ore or two but SRF is still the best wet boiling point
Old 05-24-2008, 09:10 AM
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cj68
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Has anyone tried GS 610? The boiling points are higher than ATE. I am thinking about trying it.

cj
Old 05-24-2008, 09:52 AM
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Originally Posted by AU N EGL

I might be missing ore or two but SRF is still the best wet boiling point

But, regardless of brand, you should change it before any track event so that you are never near the wet point. Brake fluid is alot less expensive than not having brakes going into a corner. I use the Wilwood EXP 600 fluid, which has the highest dry temp on that list and 626 is alot higher than old anything.

Last edited by ghoffman; 05-24-2008 at 10:13 AM.
Old 05-24-2008, 10:08 AM
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Z06cool
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Originally Posted by cj68
Has anyone tried GS 610? The boiling points are higher than ATE. I am thinking about trying it.

cj
I've used it with good results. With ATE, I'd have to bleed almost every 2-3 sessions after mushy pedal. I've been able to go whole weekend without bleeding with the GS610. Definitely another brand to consider:

Dry-626°F , Wet-417°F per their site:
http://www.gs610.com/GS610_Product_Specifications.html
Old 05-24-2008, 11:02 AM
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Rob Willis
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Will one bottle of SRF do a full changeover from stock fluid??
Old 05-24-2008, 12:00 PM
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RAFTRACER
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Originally Posted by Rob Willis
Will one bottle of SRF do a full changeover from stock fluid??
One bottle will typically do a whole car including the clutch hydraulic system ( defineately should use it there also ). So you should buy two so that you can maintain your systems with use.
Old 05-24-2008, 12:45 PM
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Okay, I get it!! Now where's the best place to buy the stuff? Looks like DRM sells SRF for ~$70/liter. Any better places?
Old 05-24-2008, 03:33 PM
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John Shiels
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Originally Posted by openhelix
Okay, I get it!! Now where's the best place to buy the stuff? Looks like DRM sells SRF for ~$70/liter. Any better places?
70 is good price you may find 69 but I would support the people who support us here.
Old 05-24-2008, 03:34 PM
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Originally Posted by Rob Willis
Will one bottle of SRF do a full changeover from stock fluid??


You will have nothing left to do a bleed with one. Unless you all out glowing rotors and racing SRF last a long time.
Old 05-25-2008, 02:13 AM
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openhelix
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Originally Posted by Rob Willis
Will one bottle of SRF do a full changeover from stock fluid??
Are you the same RobW from the old F-body.org mailing list?
Old 05-25-2008, 03:22 AM
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Originally Posted by ghoffman

But, regardless of brand, you should change it before any track event so that you are never near the wet point. Brake fluid is alot less expensive than not having brakes going into a corner. I use the Wilwood EXP 600 fluid, which has the highest dry temp on that list and 626 is alot higher than old anything.
but i have been to 4 events now without any bleeding....and pedal is still firm! SRF is amazin'!
Old 05-25-2008, 07:35 AM
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Originally Posted by openhelix
Are you the same RobW from the old F-body.org mailing list?
That'd be me.
Old 05-25-2008, 08:11 AM
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AU N EGL
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Originally Posted by rustyguns
but i have been to 4 events now without any bleeding....and pedal is still firm! SRF is amazin'!
You may not be braking hard enough. I bleed my calipers before each track event.

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Old 05-25-2008, 11:28 AM
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Danny Popp puts it in my car so it is good enough for me
Old 05-25-2008, 11:49 AM
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openhelix
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Originally Posted by Rob Willis
That'd be me.
good to see ya again!! The ol' ba-f-body folks are mostly still together. Dave Mills, Perry Kincy and Paul Cabana run the local list. Not many f-bods anymore but we had a good group lunch last week.

I'm going to look around locally to see if anyone has SRF before ordering online. My speedbleeders just arrived so it's time. To install the speedbleeders do you just empty the system and start over or can you make the swap quick enough to maintain some fluid in the system?
Old 05-25-2008, 01:47 PM
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Keep fluid in the system or you need a magic electronic tool to cycle the ABS valves to bleed them properly.


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