[DML] Re: Coil in Fuel Line to Prevent Collapse?
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[DML] Re: Coil in Fuel Line to Prevent Collapse?



I have had a spring in my pick-up hose for years and I inspect the
internals once a year. Here in New Jersey we are up to 10% Ethanol and
I see no ill effects. I think the "trick" here is that you must very
properly install all of the parts and they must all be in good
condition. If you put any twist into the pick-up hose or reassemble
any of the baffles incorrectly you WILL have problems. Most of the
cars I do go inside the tank on I usually find something done wrong.
Among the problems are:

Excessive fuel pump noise
Gasoline fumes
Engine problems especially when the tank is below 1/2 full
Fuel leaks
Water and dirt
Corrosion from water entry into the upper pump boot.

I do not have any problems filling my fuel tank and I get no fumes
even when full and "topped" off.

IMHO a "tuna can" (a METAL can) is not a good idea. If any water
should get into the tank it goes right to the bottom, exactly where
that tuna can IS! That can will rust and fill the fuel system with
crud. About the worst thing you can do to a fuel injected system is
allow dirt (crud) to get in. Water is a close second because it
promotes the formation of crud.
David Teitelbaum
vin 10757 



-- In dmcnews@xxxxxxxxxxxxxxx, "therealdmcvegas" <dmcvegas@...> wrote:
>
> The article is in the Technical Library on the DMCNews website with 
> the full instructions.
> 
> I wrote it with the help of input from others. But I can tell you 
> now that in the long term it isn't the best solution. But there is a 
> better one.
> 
> The problem with the spring is that while it will snake around 
> through the hose, it will also begin to try and straighten that hose 
> out. And with the hose material being so soft, it WILL eventually 
> tear the hose at the 90° angle in the hose, right where it connects 
> to the bottom of the fuel pump. Sure, you may not have the spring 
> sitting up inside of that bend, but the spring will push back 
> between the baffle and the pump, pinching that bend until it finally 
> tears. I don't know of it's the ethanol or MTBE additives (since 
> banned out west here because of California) that dissolve the rubber 
> components of the fuel tank, but it ate both my pick-up hose, boot, 
> and eventually cap around the fuel pump.
> 
> There is a better solution however than either the spring, or even 
> the OEM setup.
> 
> Using John Hervey's kit is ideal. But if you plan on doing any hard 
> cornering, you'll realize that you're going to need a solid bottom 
> 



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