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Brake Master Cylinder Braces

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Old 09-16-2015, 09:20 PM
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My setup is PMU club racers, moutl rbf, centric blanks, braided lines, front ducts.

I just got one and don't feel a big difference unfortunately (had the above setup both before and after the brace). I still think the brakes could "feel" better. They perform amazing and I don't ever have fad/abnormal wear issues, but I feel like the pedal is cheap. Hard to explain.
Old 09-17-2015, 05:57 AM
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Originally Posted by ludeguy13
My setup is PMU club racers, moutl rbf, centric blanks, braided lines, front ducts.

I just got one and don't feel a big difference unfortunately (had the above setup both before and after the brace). I still think the brakes could "feel" better. They perform amazing and I don't ever have fad/abnormal wear issues, but I feel like the pedal is cheap. Hard to explain.
There is a significant big difference especially in the master cylinder flex. Have you tried braking heavy?
Old 09-17-2015, 06:52 AM
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Originally Posted by ckowalc
I hope LHT Performance knows that the indicator in that video is moving 0.021 inches or 0.53mm NOT 0.21 inches or "6mm" as stated in the video. I also don't believe there is absolutely no deflection after brace is installed. It would be useful to see an unbias third party test.

I used to sell master cylinder braces for Imprezas (GC) and my tests showed it decreased deflection from 0.041" to 0.021". Granted mine seemingly didn't have as solid of a connection point. There was a very slight feeling of improvement under medium to hard braking but I believe a lot of it has to do with the owner trying to justify the purchase in his mind, IMHO.

I think pad choice can have a lot more improvement to brake feel than a master cylinder brace.
Nice observation!

Yes, this will do nothing to improve feel during street driving. At the track when you're braking very hard, it might be noticeable. I don't know.
Old 09-17-2015, 07:10 AM
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Look at the before the brace results then look at the after brace results. You will notice the difference. The margin is significant..
Old 09-17-2015, 11:38 AM
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Originally Posted by ludeguy13
My setup is PMU club racers, moutl rbf, centric blanks, braided lines, front ducts.

I just got one and don't feel a big difference unfortunately (had the above setup both before and after the brace). I still think the brakes could "feel" better. They perform amazing and I don't ever have fad/abnormal wear issues, but I feel like the pedal is cheap. Hard to explain.
I and others have noted that Motul feels more compressible than other brands.
Old 09-17-2015, 11:43 AM
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I will agree witht that^^
Old 09-17-2015, 06:28 PM
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Originally Posted by JUSTINTHECOASTIE
Originally Posted by ludeguy13' timestamp='1442467241' post='23749411
My setup is PMU club racers, moutl rbf, centric blanks, braided lines, front ducts.

I just got one and don't feel a big difference unfortunately (had the above setup both before and after the brace). I still think the brakes could "feel" better. They perform amazing and I don't ever have fad/abnormal wear issues, but I feel like the pedal is cheap. Hard to explain.
There is a significant big difference especially in the master cylinder flex. Have you tried braking heavy?

Yeah i'd say the braking zone after the bank at auto club speedway would count (exit that corner around almost 130MPH). Like I said, there is a difference, I just wouldn't say it is significant. I am happy to hear that other's have had different experiences though. It gives me confidence something else in my system could be improved.
Old 09-18-2015, 05:06 AM
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So what fluid do people find the least compressible? I'd rather bleed more often if it necessitates it and have a better pedal feel.
Old 09-18-2015, 05:54 AM
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Brake fluid is not compressible. If you are boiling your fluid, any fluid, will make the pedal soft due to the gas introduced into the system. This gas is compressible. The "best" brake fluid in the world is no more or less compressible than any other brake fluid.
Old 09-18-2015, 06:01 AM
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Maybe the viscosity ?


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