Miata Mailing List: October 1994, Message #16
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   From: mikef@mer-mail.ctron.com (Michael Friedman)
Subject: Re: Syntec vs. Gas Mileage
   Date: Mon, 3 Oct 1994 10:02:18 -0400


 > Well, I've had the Castrol Syntec in my engine for a little over
 > 100 miles now, and although I don't notice any difference in the
   ^^^^^^^^^
 > way the engine runs, I have notices a definate increase in 
 > gas mileage.  While using the old GTX 20-50 my mileage was a 
 > steady 28-30 mpg.  The last 4 or 5 tankfuls (all "normal" commuting)
 > have been 32-33 mpg.  I've only ever seen above 30 on long highway
 > trips prior to now.  It has been cooler here in New Hampshire during
 > the last month, but usually cooler weather makes the gas mileage
 > worse, not better...
 > 
 > Any one else notice similar effects?
 > 
 > Mike
 > 

Before anyone tells me that 100 miles isn't enough to make any
judgements on --- My computer chose to ignor a zero!  It should
have read 1000 miles...

Mike