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General Category => General Discussion => Topic started by: slowmover on May 19, 2022, 05:25:33 PM

Title: What Dot 4 brake fluid
Post by: slowmover on May 19, 2022, 05:25:33 PM

(https://i.ibb.co/vX5371T/1-F365445-E835-4-ACF-AB83-F94-BE77-B2428.jpg) (https://ibb.co/vX5371T)
What matches the manuals specs that doesn’t have to shipped from overseas?
Title: Re: What Dot 4 brake fluid
Post by: sdcr on May 19, 2022, 07:25:19 PM
I’m in a similar situation as slowmover. 

I’m in the process of resurrecting a old R100 airhead BMW. What Dot 4 brand/spec would you suggest for this bike?

I have no problem using SuperTech DOT4 or Prestone DOT4. You can buy DOT4 that is 5X as costly, but it does nothing different than any other DOT4.
Title: Re: What Dot 4 brake fluid
Post by: Antietam Classic Cycle on May 19, 2022, 08:40:28 PM
https://www.autozone.com/brake-and-power-steering-fluid-additives/brake-fluid/p/pentosin-dot-4-brake-fluid-1-liter/579851_0_0
Title: Re: What Dot 4 brake fluid
Post by: sdcr on May 19, 2022, 09:19:05 PM
Thanks Charlie
https://www.autozone.com/brake-and-power-steering-fluid-additives/brake-fluid/p/pentosin-dot-4-brake-fluid-1-liter/579851_0_0
Title: Re: What Dot 4 brake fluid
Post by: old head on May 19, 2022, 09:27:45 PM
I use supertec Dot4, have been for years.  Haven't had an issue.

Old head
Title: Re: What Dot 4 brake fluid
Post by: slowmover on May 19, 2022, 09:31:18 PM
https://www.amazon.com/Maxima-Racing-USA-80-86916-Fluid_Ounces/dp/B07MK4D9MZ/ref=mp_s_a_1_20_sspa?hvadid=74011033364435&hvbmt=bb&hvdev=m&hvqmt=p&keywords=pentosin+super+dot+4&qid=1653013249&sr=8-20-spons&psc=1#immersive-view_1653013754150
I’ve answered my own question. Thanks all!
Title: Re: What Dot 4 brake fluid
Post by: mechanicsavant on May 20, 2022, 08:05:55 AM
As long as it meets spec. I don’t see an issue . IMHO the important thing is to change it @ regular intervals as it’s hydroscopic . H2O very bad , at least in a brake system .
Title: Re: What Dot 4 brake fluid
Post by: mechanicsavant on May 20, 2022, 10:50:08 AM
Yeah pretty much . I’ve seen different brands w/catch phrases like “heavy Duty” or “High Performance “my fav was “As used in NASCAR”
Title: Re: What Dot 4 brake fluid
Post by: s1120 on May 21, 2022, 07:24:50 AM
Really ive never had a issue with any brand DOT4. I use whatever name brand I can get at the time, and just dont keep the opened bottle for decades on the shelf. It absorbs water over time when open. Other then that, just change it once in a while.
Title: Re: What Dot 4 brake fluid
Post by: mechanicsavant on May 22, 2022, 06:41:28 AM
But it was used in NASCAR , guaranteed to add HP & shorten stopping distance ! Vince promises & a free sham-wow !!
Title: Re: What Dot 4 brake fluid
Post by: Mike Tashjian on May 22, 2022, 06:46:59 AM
Bosch ESI6-32N Brake Fluid (Direct Replacement for DOT 3, DOT 4, and DOT 5.1) - 1 Quart.  I have been buying this for the last few years.  It is working well and goes in everything I own.