[Healeys] Hylomar

Michael Oritt michael.oritt at gmail.com
Thu Jun 9 08:31:18 MDT 2011


Supposedly Hylomar has undergone a few different formulations and is "not
what it used to be".  I don't know if that is true and if so which iteration
the stuff I have might be but I am a big fan of it for certain applications.
 It appears to be oil and fuel proof and--like some of us--seems to remain
forever tacky and non-hardening....

Even when Permatex marketed it availability was always a problem--some NAPA
stores carried it and others did not.  My understanding is that Rolls-Royce
is the current owner and that distribution of Hylomar in the US is handled
through some outfit in Texas.

My favorite Hylomar story is when I used it on the cork gasket for the tank
sender.  Some how or other I got some of it in the tank and I figured it
would simply dissolve.  Some months later while under the car I happened to
notice that the see-through aftermarket in-line filter I had installed
between tank and fuel pump had a blue glob in it.  I replaced the filter and
cut the old one open--the Hylomar, which had somehow made its way up the
fuel pickup, down the line and into the filter without cutting off fuel
supply, seemed of exactly the same consistency as when I squeezed it out of
the tube.

Best--Michael Oritt

On Thu, Jun 9, 2011 at 9:48 AM, Linwood H Rose <linwoodrose at mac.com> wrote:

> There have been discussions here and on other forums about Hylomar. I
> happen to love the stuff and remain puzzled as to why it seems to be hard to
> find at times given that is such a great product. I believe that there was
> an article in the most recent Austin-Healey USA Healey Magazine by Roger
> Moment that articulated the differences between the advanced formula solvent
> free Hylomar versus the Racing Formula Hylomar, and I certainly agree with
> Roger that for most of our applications the advanced formula, solvent free
> variety is what you want. At my local car parts stores the racing formula
> was available, but no one had the advanced formula.
>
> Anyway, those who have worked with this stuff know that it is a gooey mess.
> Many of you may have known, but I just discovered that Pegasus Racing
> Supplies sells the stuff in an 8 ounce can with an applicator brush that I
> found to be much handier than the squeeze tubes. If you look at the Pegasus
> web site, it is part number 3318.
>
> 3318    (HAO) Hylomar Solvent Free Gasket Maker, 8oz Brush-Top Can
>
> Just thought you might want to know if you did not already!
>
> Cheers,
>
> Lin
>
> Lin Rose
> 1959 AN5 Bugeye - pure driving enjoyment, go-kart with a body.
> 1960 BT7 "The Bloody Beast" - owned since 1971, my first car and still have
> it!
> 1964 Jag MKII - current project
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