<VV> Re: DUAL MASTER CYL

Andy Clark slowboat at mindspring.com
Mon Dec 5 01:52:03 EST 2005


Thanks, Larry. My experience with DOT5 has been good. I converted my sedan,
which had all-new lines, to the silicone fluid and have had no spongy feel
like you described.
I just wondered if flushing previously-used lines with alcohol would work.

Thanks so much for your reply.

Best Regards.
Andy
----- Original Message ----- 
From: "Larry Forman" <Larry at Forman.net>
To: "Andy Clark" <slowboat at mindspring.com>; <virtualvairs at corvair.org>
Sent: Sunday, December 04, 2005 10:22 PM
Subject: Re: <VV> Re: DUAL MASTER CYL


> Hi Andy,
> No, I believe that is the correct approach.  I have done that on my Devin
> C.  I then finally gave up on DOT5 and went to Valvoline Synpower
synthetic
> DOT3/4 which I like MUCH better.  While it is still hygroscopic, it has a
> higher boiling point over DOT5 and none of the spongy pedal feel.  I tried
> forever to get that spongy pedal fixed and finally gave up.  Many have the
> same issue.  As for hygroscopic versus non-hygroscopic, moisture is GOING
> to get into the system simply due to condensation during temperature
> excursions.  Then it can pool at the low point in the system and still
> result in rust, so there is simply no long term solution.  DOT5 goes
> farthest in providing protection against rust PROVIDED you are against
> changing fluid regularly.  I finally just gave up and went with the
> synthetic DOT3/4 and am quite happy with it's performance.
>
> I recommend you research carefully before you jump fully into DOT5.  I
> thought I did and tried for a long time to make it work.  Didn't for
> me.  Try searching the VV archives or Corvair Center's forum for successes
> and alternatives.
>
> Larry



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