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willtodd1Two

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Posts: 45
Reply with quote  #1 
I promised myself I'd give my new E-Tec 90 DPXAFD good clean fuel. I had visions of buying a fuel caddy and finding a way to pump out the old and add fresh each spring. But man I don't feel like doing that after just my first season ! My problem is I put on very low hours and therefore I'm not adding much fresh fuel over the summer months.

I'm looking for opinions if I ok to skip the pump out next spring ?

FACTS;
The poly tank is 50 gal......I use ethanol free fuel only, treated with 2+4 and double dosage for storage....the tank vent thru- hull is extremely well protected from sea water intrusion....I have a fuel filter on board with sight bowl.
Icon says the first season was 18.7 engine hours and 35 gal. used.
May 12, 2017- 40 gal. was put in empty, brand new, tank
Aug. 29, 2017- 10 gal. put in 
Sept 26, 2017- 10 gal.put in
Oct. 8, 2017-22 gal. put in
The tank is now full for winter storage and I expect to use about 40 gal.next summer starting in May.

What do you think ? Am I ok to forgo the dreaded pump out next spring ?
Thanks a lot ..
Todd
jimh

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Posts: 6,394
Reply with quote  #2 
Your gasoline fuel will be fine in the Spring, assuming you treated it when you first bought it with 2+4. Fuel can be preserved, but not restored.

A few years ago I was forced to buy fuel on a remote island in Lake Superior; the fuel vendor acknowledged the fuel was two-years-old when I bought it, but still good. Some of that fuel spent the winter in my boat tank, and it was fine the next Spring.

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willtodd1Two

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Reply with quote  #3 
Thank you, jimh .

Yes, the 2+4 was added starting with the very first gallon. I guess your always adding new fuel to older fuel but at what point does the old fuel " catch up to you "and cause a problem? I believe in toping off the tank for winter storage so right off the bat I start each spring with mostly 6 month old fuel.My gut tells me that if next summer I burn off 35 gallons of the 45 gallons in there and add new that I'm ok? Unless my usage increases I think a pump out of the tank would be a good idea at some point, perhaps at my 3 year service and have the pros do it ? But perhaps it hardly ever needs to be done ? I've learned that good fuel is especiaaly important with an E-Tec. The best thing I can do is to use the boat more, but aside from that , any other opinions out there if my fuel is ok for 2018 ?

Thanks,
Todd

Crosbyman

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Posts: 538
Reply with quote  #4 
every end of season I fill  the tank with  high octane no ethanol fuel   add 2+4   run  the engine   to circulate the fuel   retop off the tank 


in the spring I dump the gas   in a external tank    for my  cottage duties  ( grass mowing  with the lawn tractor , weed eaters etc   blower etc...) 

refill   the boat  tank with regular gas  with 2+4d   


no issues in 12 years 

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ETEC 75 HP  2005  ser# 05107924  &  1966  9.5 hp  Sportwin 9622a 
willtodd1Two

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Posts: 45
Reply with quote  #5 
Thanks Crosbyman.

Your doing it right and your way is the best by far ! But, I have 50 gallons in a permanenly mounted tank under the cabin deck and a " sealed " fuel system. I wish I could just dump it out in the spring. I thought long and hard about portable tanks but it just didn't work in this boat.
jimh

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Reply with quote  #6 
The notion that you should fill the fuel tank to full in the Fall only to DISCARD all that fuel in the Spring is CRAZY.

My boat's fuel tank holds 77-gallons. A lawn service cuts all my grass. Non- ethanol fuel as $3.60 per gallon. Why would I throw away $250 in fuel every Spring? That is not "doing it right; that is Madness!

Remember: the gasoline comes from crude oil that is 25,000 years old.


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willtodd1Two

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Reply with quote  #7 
You for sure would not throw it out....you'd put it in your truck or car etc.

Crosbyman

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Posts: 538
Reply with quote  #8 
as willtodd1 writes... I never dump fuel  it all gets used up in the next summer............. but my rig holds about 10 gal. max   enough  for my summer chores  .  

 
50 gal is a lot a gas (for me anyway since  I only burn about 25-30 gal  per summer) )  and  it is most likely still very good gas  anyway 

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ETEC 75 HP  2005  ser# 05107924  &  1966  9.5 hp  Sportwin 9622a 
jimh

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Reply with quote  #9 
'TWO suggests that the 77-gallons of fuel in my boat fuel tank should be used in the Spring as follows:

Quote:
You for sure would not throw it out....you'd put it in your truck or car...


There are two obvious problems:

--the fuel tank in my car has much less capacity that the fuel tank in the boat. The boat has 77-gallons. The car has about 15-gallons. What do I do with the other 62-gallons of fuel?

--why would I put the suspect gasoline fuel in my car? A modern car might cost about five to perhaps ten times as much as a three-cylinder in-line E-TEC. If the fuel is not suitable for running a simple two-stroke outboard engine, why would I jeopardize a sophisticated automobile engine with that same fuel? Again, that is MADNESS. 

A further problem: how do you get the fuel out of the boat fuel tank? I don't have any method to pump fuel out of my boat fuel tank. And try finding an electric fuel pump that is certified for gasoline. They're hard to find and expensive.

And another further problem: how do I get the fuel into my car fuel tank? The gasoline filler inlet has a rather crafty magnetic release and it won't open unless there is a magnetic steel gasoline dispenser nozzle inserted into the filler inlet on the car. I would have to defeat the fuel filler lock out mechanism which is designed to prevent people from being able to add stuff to your tank or to siphon your tank.

Even if I had a method of getting the fuel out of the boat tank and into the automobile tank, 15-gallons at a time, it would take FIVE transfers to accomplish this. My automobile averages about 30-MPG, so I have to drive 450-miles to use 15-gallons of fuel. I only drive to work two days a week and the round trip is about 8-miles. So I only burn off about 0.25-gallon per trip, or about 0.5-gallons per week. So it will take 30-weeks for me to burn of 15-gallons of fuel in the automobile. That means it will take 150-weeks--three years--to burn off the 77-gallons of fuel from the boat. I don't see the method being very useful for me, and, as I mentioned above, I  would NEVER put suspect fuel into my automobile.

The boat goes through fuel a lot faster. I burn 77-gallons of boat fuel in two days.

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willtodd1Two

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Reply with quote  #10 
jimh,
I appreciate you reassuring me my fuel will be fine in the spring.
Todd
jzambroski

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Reply with quote  #11 
Hey Fellas,

Here's my $10 worth (that used to be 2cents worth... back in the 50's, get it???) on the winter fuel storage subject. Here's the "skinny (?)" below:

For many years now, I have been running non-ethanol 91 octane exclusively and the recommended all season long use 2+4 ratio. Every time I top the tank off, I note gallons replaced in the tank and always add the appropriate per gallon number of ounces, so as to keep my tank mixed with the correct constant ratio of 2+4 for my entire tanks capacity (19 gallons). According to 2+4 directions, it is recommended for use all season long to help keep fuel stabilized & keep the harmful carbon deposits minimized. Also, to help maintain a clean fuel system. When layup time comes along, I fill my tank full and add the double storage rate amount. Then I'll take her out for a good high speed run to get all the "ponies" well exercised & get the "double" rate" fuel completely run through all the engine's plumbing. After that, I drive my rig onto the trailer and execute the "winterization" procedure. Done!!! This makes needing to pump out the tank un-necessary and kind of ridiculous. Plus saving time, money & work. Another words, making this whole subject a moot point.

I realize that, at some point, this eventually leaves the fuel tank 2+4 ratio a bit richer. To my knowledge, this doesn't cause harm. Better rich than lean! So, come next season, I will skip adding 2+4 for 1 or 2 fill ups to sort of compensate.

I have not had any problems & she always purrs like a kitten. Best "Ole Evinrude" popper (Olypopper, please pardon) I've ever had. And believe me, I've had many!!!

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Lakerider [smile]

Model : E90DSLAFA
Serial Number : 05423492
willtodd1Two

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Reply with quote  #12 
Lakerider,
You bring up a interesting point. I only burn 35- 40 gallons a summer and in the fall I top off a 50 gallon tank and double dose 2+4. I run all summer on double dose. I'm hoping a steady diet of " rich " is ok ? Anybody know if you can over do 2+4 ?
Todd
jzambroski

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Reply with quote  #13 
Todd,

As I mentioned previously, I'm quite sure a bit richer mixture is not a concern. That's why I compensate a tank or two without adding more at each fill up. But I always, make sure I double dose as recommended on winter lay up. I think this solves the whole thing. If a richer mixture is a concern, they wouldn't be instructing users to double dose for winterizing. It's kind of a logical sort of thing. Of course, you wouldn't want to go way overboard (no pun intended) & start approaching something like 20% 2+4 and 80% fuel as an exaggeration. Know what I mean?

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Best regards,
Lakerider [smile]

Model : E90DSLAFA
Serial Number : 05423492
jimh

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Posts: 6,394
Reply with quote  #14 
LAKE' mentions an important aspect of winterizing and fuel: you must get the conditioned fuel into the engine, not just into the tank. 

I run my boat ALL season on 2+4C conditioner, so when I winterize, the engine already has fuel with 2+4C mixed in. I don't worry too much if the tank is not completely at the double-ratio recommended for storage--hey it's only gonna be in storage for six months, not six years.

P.S. I am quite glad I put the boat away two weeks ago; we were up North this week and the weather was miserable: rain, sleet, snow, and temps in the low 40's for a high, upper 30's for a low. The only boat underway we saw in five days was the commercial fishing tug tending his nets.

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willtodd1Two

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Reply with quote  #15 
Jim,
I grew up in Calumet, Eagle Harbor area...
Todd
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