[T3] The Winter Gas
Bobsnotch at aol.com
Bobsnotch at aol.com
Mon Oct 21 08:02:37 PDT 2013
In a message dated 10/19/2013 9:14:40 P.M. Eastern Daylight Time,
topnotch at nycap.rr.com writes:
What are they putting in there that just cuts the low end right out from
under it???
The winter gas has, for years, produced less HP but this year is
ridiculous, I almost thought the old engine had finally given up but NO... its the
gas!
I didn't know they started the winter blend yet. Usually, it's actually
more gas than the summer blend, since it allows easier starting in cold temps.
The summer blend on the other hand, has more oxygen in it, to reduce
emissions blended with sunlight. This means your car should run better on the
winter blend, since it's more of a real gas blend versus the summer blend.
Keep in mind, that the cooler temps require longer warm up times, and this
might be part of your problem.
But, it could be that you're dealing with worn out parts, that you keep
trying to nurse more mileage out of, and you're seeing that difference now.
Didn't that engine have 135K on it? And by your own statements in the past,
mean it's "over due for a rebuild"? You could actually be dealing with low
compression, and you're trying to tune around it. Or, like Jim mentioned,
the distributor could be getting worn out too.
When I ran a set of Dell 36 single throats on a bug, I was always tuning
on that engine for day to day differences in weather. I finally got fed up,
and returned the engine back to a single carb, and everything was good to
go. Turned out, it was also low on compression when I finally went in and
rebuilt it.
You didn't put in some E-15 (yes it's starting to make it's way thru the
system) by mistake did you? That stuff requires re-jetting, and more
ignition timing to run right. :O
Bob 65 Notch S w/Sunroof and IRS aka Krusty
64 T-34 Ghia aka Wolfie
71 Square-vert under construction
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