Home » Public Forums » GMCnet » [GMCnet] Fuel filters
| Re: [GMCnet] Fuel filters [message #328082 is a reply to message #328077] |
Tue, 09 January 2018 11:00   |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma:
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Senior Member |
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Richard,
Your comments are well expressed, however, one need to know that this is a
45 year old object that has been exposed to sitting around and OLD fuel
does crutalize to som extent and the gum that also develops.
Gas stations have similer problems.
My experince along with many other owners have this residude issue.
If your addressing only the particulet issue, your going to be in for Pearl
Harbor attack.
ALso using the Aux tank and utilizing it is a wise idea.
Oh, Newer cars do not need to address it as they are not 45 years old and
driven frequently.
On Tue, Jan 9, 2018 at 5:49 AM, Ken Burton wrote:
> Water in fuel is common in these coaches because people park them for
> extended periods of time (primarily in winter) without the tanks being full.
> When they are warm, humid air enters the empty space in the tanks. Then
> as the temperature changes to cold, the humid air inside the tanks condenses
> moisture on the inside and eventually settles as a liquid on the bottom.
> If there is ethanol diluted fuel in the tank, then the ethanol will combine
> with the water on the bottom to make the total amount accumulated there
> even more.
>
> We use water as a standard check for ethanol on our gasoline at the
> airport. We put 1 CC of water in an measuring tube and add 5 cc of the
> suspect
> gasoline. If it is E-10 the test tube will read 1.5 cc on the bottom of
> combined water and ethanol and 4.5 cc of gasoline above it. I use a
> medicine
> bottle graduated in ounces but the result is the same. In EPA
> non-attainment areas, the EPA is very strict and the test always comes out
> at exactly
> 10%. The EPA allows a 1% variation (9% to 11%). Anything over or under
> that and the delivery truck driver is subject to a huge fine. In other
> attainment areas the amount will vary any from 0 to 10 %. I have never
> seen a reading above 10% except on these ethanol pumps with E-85. With E-15
> on the horizon that might change.
>
> Enough of that, this subject is suppose to be about filters and water in
> tanks.
> --
> Ken Burton - N9KB
> 76 Palm Beach
> Hebron, Indiana
>
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--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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