Sounds a lot like the Bars Leak formula--they both have nut shells. I've had
success using AlumaSeal to seal some hairline cracks in my Vanagon heads.
Been running this in my cooling system for 3 years now with no know
detrimental effects.

Mark McCulley

>From: David Hayward <dhayward@ISLAND.NET>
>Reply-To: David Hayward <dhayward@ISLAND.NET>
>To: vanagon@GERRY.VANAGON.COM
>Subject: Head leaks & a GM mechanics suggestion.
>Date: Wed, 29 Sep 1999 10:09:01 -0700
>
>I was talking with a colleague of mine yesterday who is/was an experienced
>GM mechanic. In discussing things VW and the headleaks that our beloved
>wasser boxer's develop he mentioned a GM product that was commonly used in
>the aluminum engines to deal with the "pitting" problems that those engines
>were prone to.
>The product is simply a GM COOLING SYSTEM SEAL TABS (part no. 1051687). The
>make up (as shown on the back of the pkg) states it is made from GINGER,
>ALMOND SHELL & BORIC ACID.
>
>Do any of you engine experts know anything of this product or have any
>experience with it ? It sound to me like it could be a decent
>"preventative"
>to use annually in the system ?....what say ? I spoke to my (experienced)
>VW
>mechanic & he was unaware of the product. I'm going to take him some and
>(maybe) start using them in between semi-annual coolant changes.
>
>Regards, David Hayward
>
>71 Ghia Convert
>88 Westy Syncro
>89 Caravelle Carat
>92 Passat Syncro

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