05-11-2008, 05:11 AM
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Slacker
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Join Date: Mar 2006
Location: Northern NY, USA
Posts: 6,312
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 Quote:
Originally Posted by sp949
However, my main concern about running premium is that, since the overwhelming majority of vehicles on the road use 87 regular, I think that premium tends to degrade and become stale in the stations' tanks, while regular, which is replenished almost daily, will ensure that we always get a load of fresh gas every time we fill up.
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You currently using higher octane, which presumably hasn't been stirred up too much in the underground holding tanks, could explain the sensation of smoother running.
That or mayhaps your ignition timing isn't quite as close as it could be so that it runs proper on the 87 but is pretty good for the higher octane.
Just reachin' mind you.
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