Date:         Tue, 5 Nov 1996 11:51:41 -0600 (CST)
Sender:       Vanagon Mailing List <vanagon@vanagon.com>
From:         Sami Dakhlia <dakhlia@wuecona.wustl.edu>
Subject:      Re: Motoroil and specific heat (Ed Hackett)

On Mon, 4 Nov 1996, Craig Standley wrote:

> This sounds pretty good, but isn't synthetic a bad idea in older motor?  I
> think we covered this issue a while ago, and discussion seemed to center
> on the fact that old motor leak, and synthetic contribute to this leakage
> by causing the seals to contract (actually they don't expand as much with
> synthetic as with dino-oil).

Craig,

my experience is that leaks following a switch from dino to synthetic
oil are only temporary. I presume that, over time, the partially dry
seals soak up the synth. oil and expand, thus ending the leak. 

Sami ('75 Westf.)

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