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ethanol and poly tanks

Old 04-14-2009, 10:41 AM
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Default ethanol and poly tanks

i called the plastic fuel manufacturer,todd and asked them if ethanol was harmfull to their plastic fuel tanks and he said honestly,YES.now i'm freakin out becuse i have two 55 gal.todd fuel tanks in my newly aquired 27 eastern.i'm quite sure there is no place in me./h.h.that sell ethanol-free gas.what additive,if any can prevent/or at least slow down the breakdown of the poly tank?
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Old 04-14-2009, 10:57 AM
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I'm very curious to what he said would happen . I was told during my research a year ago including Todd that all poly tanks on the market for the past 4 years are good for e-10 fuel.
I know of the small amount of odor passage through the poly and the expansion issue but no one mentioned degradation from E10.

How long has Maine been all ethanol??

I bought my boat in Maine 18 months ago and there was very little e-10 there at the time.

Ray

Last edited by tunawish; 04-14-2009 at 03:04 PM.
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Old 04-14-2009, 11:00 AM
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Originally Posted by marcus220 View Post
i called the plastic fuel manufacturer,todd and asked them if ethanol was harmfull to their plastic fuel tanks and he said honestly,YES.now i'm freakin out becuse i have two 55 gal.todd fuel tanks in my newly aquired 27 eastern.i'm quite sure there is no place in me./h.h.that sell ethanol-free gas.what additive,if any can prevent/or at least slow down the breakdown of the poly tank?

If this is true then there is a H#ll of a lot of boats that will be in trouble. Almost all smaller boats built in the last 10 years have poly tanks.

Did some checking:

Moeller says its ok - "The fuel system components on your Moeller Marine fuel tank will withstand up to 10% alcohol content in the gasoline. These are referred to as Reformulated (Oxygenated) Gasolines."



Ken
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Old 04-14-2009, 11:21 AM
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I have a 1994 Eastern 27' with twin polly tanks no problems at all with them so far... the research I seen it did not seem to be an issue
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Old 04-14-2009, 11:38 AM
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This get into another area. What about all the gas cans we have around for things like the lawnmower? Are they in danger as well?
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Old 04-14-2009, 12:01 PM
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i do find it interesting that Todd does not list fuel tanks as one of their products on their web site. They only list "water / holding taks".

As stated before, Moeller says their tanks are fine with the e10 formulation. Should the govt mandate a higher ethanol formulation, I think people should worry more about their motors than their fuel tanks.
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Old 04-14-2009, 01:31 PM
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tunawish,i beleive the e10 has been around me.for probably 6 mo.s,maybe a little more.i am going to look around{not too far though}and see if its available.hey casco schooner,not to sway away from the main thread,my eastern has,nt seen the ocean yet.just a short seatrial on the merrimack{american boat broker}.i was wondering how it handles in the rough stuff?head sea?beam sea drift? thanks every one for the responses.
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Old 04-14-2009, 03:03 PM
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So what exactly did the Todd rep say.....
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Old 04-14-2009, 03:04 PM
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I am pretty sure e-100 can be stored in poly jugs. I have alcohol race fuel containers and they are poly.
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Old 04-14-2009, 03:17 PM
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Originally Posted by tunawish View Post
So what exactly did the Todd rep say.....
I'd be interested too As I got 4 below deck. Marcus you got a PM for your Nav chip
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Old 04-14-2009, 03:30 PM
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I have the Moeller also. I remember the lit said it was Ok up to E10.

If those idiots in DC start pushing E-15 or E-20 as they are talking about, then we are all in trouble..

I Didn't read B-Faithfulls post..mine should have read...

Yah what he said...
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Old 04-14-2009, 04:14 PM
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95 Hydra-Sports....85 Gallon Poly Tank....E-10 for however long its been in Maryland...No Problems!
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Old 04-14-2009, 05:42 PM
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he told me{quote}e10 is not good for the tank.be it dodd tanks or alum.for that fact.over time it could deteriate the tank.thaks for the heads up i digittu88.
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Old 04-15-2009, 06:34 AM
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Originally Posted by kerno View Post
This get into another area. What about all the gas cans we have around for things like the lawnmower? Are they in danger as well?
I thought about that too. Also, what about all the snowmobiles, dirt bikes, ATV's, lawnmowers, etc that all have poly tanks? I haven't heard of any info that the alcohol attacks the poly.

Ken
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Old 04-15-2009, 06:47 AM
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I don't think poly is going to be a problem. I buy bulk chemicals in poly including alcohols. Any tank manufacturer will "never say never" because of liability. Ester resins have generally been the problem.
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Old 04-15-2009, 07:18 AM
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I'll go out on a limb and will say you are fine using poly tanks with E10. And as far as E10 in Maine is concerned I am still scratching my head over the station on route 1 in Kennebunk/Arundel which was an early adopted of E10 a few years back then they switched back to MTBE (it could have been gas with no MTBE or E10) 2 years ago. Last year I had a heck of a time finding E10 in the Kennebunk area as most, if not all, stations were still selling MTBE (or gas without MTBE or E10).
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Old 04-15-2009, 07:26 AM
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look under your car (unless it's over 15 years old or so). What's the fuel tank made out of?
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Old 04-15-2009, 07:28 AM
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I was told MTBE hasnt been in Maine for 2 plus years now. Everything in the state is now E-10, it is mixed as it arrives into Portland, marinas are even stuck with E-10.
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