brake fluid recommendations

AP - Chris_B · 11-04-2010, 02:52 PM

Quote:

Originally Posted by CFZ

ss lines are to keep the brake pressures consistent, because the lines do not expand. It doesn't really have anything to do with brake fluid staying drier.

Pressure isn't lost with rubber lines, but fluid volume is. In other words, as I press the pedal and the rubber lines expand, more brake fluid must be provided by the master cylinder to keep filling the growing line volume. With SS lines, nearly zero growth means less pedal travel at the same pressure level as compared to OE lines.

OE rubber lines are the main pathway for moisture ingress in the brake system. This is why most manufacturers recommend changing brake fluid every two years. It's the moisture that lowers the boiling point and can eventually cause internal component corrosion. SS lines do not allow moisture through them, keeping the fluid "drier" -- or with a lower moisture content for a longer period of time.

wishihadnav · 11-04-2010, 03:59 PM

Quote:

Originally Posted by AP - Chris_B

Pressure isn't lost with rubber lines, but fluid volume is. In other words, as I press the pedal and the rubber lines expand, more brake fluid must be provided by the master cylinder to keep filling the growing line volume. With SS lines, nearly zero growth means less pedal travel at the same pressure level as compared to OE lines.

OE rubber lines are the main pathway for moisture ingress in the brake system. This is why most manufacturers recommend changing brake fluid every two years. It's the moisture that lowers the boiling point and can eventually cause internal component corrosion. SS lines do not allow moisture through them, keeping the fluid "drier" -- or with a lower moisture content for a longer period of time.

great explanation as always

WestCo Scott · 11-09-2010, 10:46 AM

I've always used Motul RBF600 in all my vehicles from bikes to cars and love it! You can check it out HERE without spending an arm and a leg!

-Scott

zero · 12-27-2010, 09:30 PM

Quote:

Originally Posted by WestCo Scott

I've always used Motul RBF600 in all my vehicles from bikes to cars and love it! You can check it out HERE without spending an arm and a leg!

-Scott

Thank you, Scott. I might pick this up soon. I need 3, right?

11-09-2010, 10:46 AM	#3 (permalink)
WestCo Scott A True Z Fanatic Join Date: Apr 2010 Location: West Covina, Ca Posts: 1,052 Drives: 3million Z Rep Power: 19	I've always used Motul RBF600 in all my vehicles from bikes to cars and love it! You can check it out HERE without spending an arm and a leg! -Scott __________________ Providing you with OEM/JDM & aftermarket performance Check us out at thenismoshop.com GTR Button Swap, Nismo Shift Knobs

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