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Synthetic oil and asphalt.

To: fot@autox.team.net
Subject: Synthetic oil and asphalt.
From: William G Rosenbach <wgrosenbach@juno.com>
Date: Thu, 16 Aug 2001 22:20:52 -0600
Hi all,

Just a note regarding synthetic lubricants. With all the discussion of
late and the acknowledgement that the stuff is more prone to leaking than
its non-synthetic counterparts.

The folks at Pikes Peak International Raceway (PPIR) are more than
diligent about synthetic oil spills. Track personnel cleanup all oil
spills when you are at their facility. When they respond to a spill they
ask race control if the car that put down the oil was running synthetic.
This gives race control something else to keep track of. If it is
synthetics, they will, within 24 hours, cover the spill with powdered
Tide laundry detergent, a little water, and scrub it in. I think they
come back later and rinse it all down.

They do this because the synthetic oil softens the asphalt (regular oil
does not)and they claim that unless the synthetic oil is broken down with
the Tide, it will not stop working on the asphalt until it soaks to the
dirt below. 

I have seen an automatic transmission fluid leak spot in the street
develop a hole to the dirt beneath. It took years to get there, but it
did.

When RMVR runs at PPIR, they have started to put a tape streamer on the
cars that run synthetics to streamline the ID process a bit.

PPIR is the only track that is so protective of their asphalt. If the use
of synthetics are shortening the life of our racing surfaces are we
shooting ourselves it the foot?

Just something to think about.

Bill
70 GT-6+
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