[TR] Brake Fluid for TR3A
David Friedlander
forzion7 at gmail.com
Sat Sep 9 08:32:01 MDT 2017
Randall;
I am installing new brake master cylinders in my TR3 and the boxes
theycame in had the label you can see in the attached photo.
What do you make of this?
I run DOT5 in my TR6 without issue but am rebuilding this
TR3 and wanted to use DOT5 here as well...
Thanks,
Dave Friedlander
Maine
On Sat, Sep 9, 2017 at 2:35 AM, Randall <TR3driver at ca.rr.com> wrote:
> There is no clear consensus on brake fluid. Some of us love DOT 5
> silicone,
> others hate it.
>
> But I do recommend that you find out what you have before topping up; and
> also look for where it is leaking. Since this is a single circuit braking
> system, it only takes one leak to rob you of all hydraulic brakes. Not a
> good feeling, especially when you're going downhill into an underground
> parking garage, and the handbrake is also broken!
>
> Also, if you don't have DOT 5, any other brake fluid will eat paint
> promptly
> and promote rust. And any of them will ruin the rear brake shoes if it
> gets
> on them.
>
> If you do use one of the non-silicone formulas, you also shouldn't keep an
> old can of it. They suck moisture directly from the air, once the can has
> been opened, and start getting old. That's why you should always open a
> new
> can; and change it in your braking system every few years, even if you
> don't
> drive the car. (Just one of the many reasons I like DOT 5, it doesn't suck
> <g>)
>
> Here is a good article (IMO) on the pros & cons of DOT 5
> http://www.buckeyetriumphs.org/technical/Brakes/Fluid/Fluid.htm
> If you are a glutton for punishment, you can also find the SAE papers that
> it references here
> https://drive.google.com/open?id=0B2H2NJt34OffdnhWS19scjlNUU0
>
> Of all the TR3s I've driven and owned, only my current "barn find" 56
> needed
> lead (substitute). I eventually changed the head, and now I don't use
> lead.
> My previous TR3A engine went well over 100,000 miles without ever having
> lead added.
>
> -- Randall
>
>
>
> ** triumphs at autox.team.net **
>
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