[DeTomaso] DOT 5 brake fluid

Doug Braun doug at silicondesigns.com
Wed Sep 26 15:08:23 EDT 2007


I've had no problem with the Valvoline Synpower synthetic brake fluid in my
PI Motorsports clutch master cylinder, my Pantera East clutch long throw
slave or my stock brake calipers for about 5 years now.

Doug Braun
blue 73L #5505

-----Original Message-----
From: detomaso-bounces at realbig.com
[mailto:detomaso-bounces at realbig.com]On Behalf Of Art Stephens
Sent: Wednesday, September 26, 2007 11:53 AM
To: detomaso at realbig.com
Cc: DeTomaso Forum
Subject: Re: [DeTomaso] DOT 5 brake fluid


Jeff,
     You could try flushing the system with fresh DOT 3 fluid before you
start replacing parts. Steve Wilkinson recommends Castrol. I had a problem
with a new clutch master after using the Valvoline synthetic stuff.  Did the
synthetic cause the problem,  I don't know?  But I don't use it anymore.

Art


----- Original Message -----
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<doug at silicondesigns.comJJD1010@aol.comhttp://list.realbig.com/mailman/listi
nfo/detomaso>;
"Sender: detomaso-bounces at realbig.com"
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Cc: "DeTomaso Forum" <detomaso at realbig.com>
Sent: Wednesday, September 26, 2007 11:24 AM
Subject: Re: [DeTomaso] DOT 5 brake fluid


> Yes, you will find that the pedal will be slightly "spongier" with DOT5 so
> I
> don't recommend it and some hydraulic seals don't like it either.  What I
> use is Valvoline Synpower
> http://www.valvoline.com/pages/products/product_detail.asp?product=51.  It
> was the highest rated of the "readily available" brake fluids in a test I
> read a few years back.  Since it's both DOT3 & 4 compatible, you can use
> it
> in almost any brake system and it's reasonably priced.
>
> Doug Braun
> blue 73L #5505
>
> -----Original Message-----
> From: detomaso-bounces at realbig.com
> [mailto:detomaso-bounces at realbig.com]On Behalf Of JJD1010 at aol.com
> Sent: Wednesday, September 26, 2007 6:39 AM
> To: detomaso at realbig.com
> Subject: [DeTomaso] DOT 5 brake fluid
>
> Are there any disadvantages of using DOT 5 brake fluid in the clutch
> master
> cylinder? The reason I'm asking is that my clutch doesn't want to work
> well,
> even after multiple attempts at bleeding it. I'm trying to weed out all
> the
> cheap possibilities before I start spending money to correct it.
>
> Thanks,
>
> Jeff
> 6559






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