I thought most of the mpg improvement was due to the oil warming up quicker. It's on the only car in my garage. It is now without them due to the stability issues and this will be the second 'b' test. Test is over the course of 200 miles.
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This ain't a war, anymore than a war between men and maggots. Or, dragons and wolves. Or, men riding dragons, throwing wolves at maggots!
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