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Fuel Line Question

 
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craig

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Since: Jun 23, 2008
Posts: 1



(Msg. 1) Posted: Mon Jun 23, 2008 6:40 am
Post subject: Fuel Line Question
Archived from groups: rec>autos>makers>vw>aircooled (more info?)

I have a 1969 Beetle Chassis with a Fiberglass Kit Car on top. The kit
is a CMC 1929 Mercedes. Last night I found a fuel leak in the fuel
line exiting the tube and going to the engine. I was a piece of 1/4"
copper tubing with a pinched section and it was dripping fuel. I
removed the tubing and pluged the line with a screwdriver to stop the
leak. I want to replace the fuel line from the tube to the fuel pump.
Question. Is it better to run a soft fuel line from the tube to the
fuel pump or use a solid fuel line(copper tube) and have a rubber
piece at each end?

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dave AKA vwdoc1

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Since: Jan 19, 2008
Posts: 130



(Msg. 2) Posted: Mon Jun 23, 2008 8:50 am
Post subject: Re: Fuel Line Question [Login to view extended thread Info.]
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I would prefer steel brake lines, but copper can work for awhile.
Steel lines in areas that don't move/shift/flex and good VW hose in areas
that would cause flexing. Wink
Secure those lines too so they don't vibrate.

Just me but I have had my '72 Bradley GT catch fire near the engine and fuel
tank due to new but inferior hoses.
No main damage just some wiring issues and I lost a jacket beating out the
flames. Made me rewire the whole car to get rid of that spaghetti look and
install a new set of gauges in a custom console.\
JCWhitney was my friend back then and they were still in Chicago. <g>

Be careful!!!!! 8^)
--
later,
dave
(One out of many daves)

<craig.RemoveThis@ace4parts.com> wrote in message
news:cf41f684-b81b-444c-9388-160115d4787b@r66g2000hsg.googlegroups.com...
>I have a 1969 Beetle Chassis with a Fiberglass Kit Car on top. The kit
> is a CMC 1929 Mercedes. Last night I found a fuel leak in the fuel
> line exiting the tube and going to the engine. I was a piece of 1/4"
> copper tubing with a pinched section and it was dripping fuel. I
> removed the tubing and pluged the line with a screwdriver to stop the
> leak. I want to replace the fuel line from the tube to the fuel pump.
> Question. Is it better to run a soft fuel line from the tube to the
> fuel pump or use a solid fuel line(copper tube) and have a rubber
> piece at each end?

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John

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Since: Jun 13, 2008
Posts: 34



(Msg. 3) Posted: Mon Jun 23, 2008 3:13 pm
Post subject: Re: Fuel Line Question [Login to view extended thread Info.]
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dave AKA vwdoc1 wrote:
> I would prefer steel brake lines, but copper can work for awhile.
> Steel lines in areas that don't move/shift/flex and good VW hose in areas
> that would cause flexing. Wink
> Secure those lines too so they don't vibrate.
>
> Just me but I have had my '72 Bradley GT catch fire near the engine and fuel
> tank due to new but inferior hoses.

For my kit cars (2), I run a 3/8" aluminum fuel line under the outer lip
of the chassis edge where it is protected, and further more I have the
aluminum fuel line inside a larger fuel composite (fuel) line for
additional protection. (Install the aluminum line, then slit an outer
fuel line and slip it over as you go, securing it to the chassis with
cable stays.

Aluminum fuel line is especially ductile - made for bending without
kinking. Good stuff.
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rjmacres

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Since: Nov 18, 2007
Posts: 101



(Msg. 4) Posted: Mon Jun 23, 2008 3:22 pm
Post subject: Re: Fuel Line Question [Login to view extended thread Info.]
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On Jun 23, 2:13 pm, John <n....RemoveThis@droffats.ten> wrote:
>
> Aluminum fuel line is especially ductile - made for bending without
> kinking. Good stuff.

I was thinking of using that for my still.

Randy
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Stupendous Man

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Since: Jul 05, 2006
Posts: 53



(Msg. 5) Posted: Tue Jun 24, 2008 7:35 am
Post subject: Re: Fuel Line Question [Login to view extended thread Info.]
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> Aluminum fuel line is especially ductile - made for bending without
> kinking. Good stuff.

I used aluminum on the F-2 cars I am building, but they are not for street
use and will have fluid flushes often.
They stopped using copper in the 30s as it will work harden and crack.
In any case I would not just put a hose over the end of a tube without
putting in a mild bubble flare or a full barrel flare to retain the hose.
For a steet car I would use this new alloy,
http://www.cunifer.com/
--
Stupendous Man,
Defender of Freedom, Advocate of Liberty
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John

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Since: Jun 13, 2008
Posts: 34



(Msg. 6) Posted: Tue Jun 24, 2008 3:18 pm
Post subject: Re: Fuel Line Question [Login to view extended thread Info.]
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rjmacres.RemoveThis@yahoo.com wrote:
> On Jun 23, 2:13 pm, John <n....RemoveThis@droffats.ten> wrote:
>> Aluminum fuel line is especially ductile - made for bending without
>> kinking. Good stuff.
>
> I was thinking of using that for my still.

You build it and we will all be there to test the product.
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John

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Since: Jun 13, 2008
Posts: 34



(Msg. 7) Posted: Tue Jun 24, 2008 3:21 pm
Post subject: Re: Fuel Line Question [Login to view extended thread Info.]
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Stupendous Man wrote:
>> Aluminum fuel line is especially ductile - made for bending without
>> kinking. Good stuff.
>
> I used aluminum on the F-2 cars I am building, but they are not for
> street use and will have fluid flushes often.
> They stopped using copper in the 30s as it will work harden and crack.
> In any case I would not just put a hose over the end of a tube without
> putting in a mild bubble flare or a full barrel flare to retain the hose.
> For a steet car I would use this new alloy,
> http://www.cunifer.com/

You are right. I forgot to mention that I put a flare on it. It's not a
good idea to clamp a hose onto a straight metal tube. And debur, too.
It gives me shivers to think of fuel leaks in a fiberglass car.
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rjmacres

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Since: Nov 18, 2007
Posts: 101



(Msg. 8) Posted: Tue Jun 24, 2008 3:38 pm
Post subject: Re: Fuel Line Question [Login to view extended thread Info.]
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On Jun 24, 2:18 pm, John <n... DeleteThis @droffats.ten> wrote:
> > I was thinking of using that for my still.
>
> You build it and we will all be there to test the product.

Actually they show up at some of the farm auctions down here
from time to time. As I don't drink I would probably be just
experimenting with some alternate fuel stuff.

Randy
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rjmacres

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Since: Nov 18, 2007
Posts: 101



(Msg. 9) Posted: Wed Jun 25, 2008 8:26 am
Post subject: Re: Fuel Line Question [Login to view extended thread Info.]
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On Jun 25, 7:43 am, John <n....TakeThisOut@droffats.ten> wrote:
> Russian vodka is already cheaper than gas. They would export it if they
> already didn't use so much of it to purge their body. Daily.

I'm thinking wood alcohol and or some type of alcohol based off of
available
grains and/or grasses. Have to but my biochemist hat on and
experiment.

Randy
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John

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Since: Jun 13, 2008
Posts: 34



(Msg. 10) Posted: Wed Jun 25, 2008 8:43 am
Post subject: Re: Fuel Line Question [Login to view extended thread Info.]
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rjmacres RemoveThis @yahoo.com wrote:
> On Jun 24, 2:18 pm, John <n... RemoveThis @droffats.ten> wrote:
>>> I was thinking of using that for my still.
>> You build it and we will all be there to test the product.
>
> Actually they show up at some of the farm auctions down here
> from time to time. As I don't drink I would probably be just
> experimenting with some alternate fuel stuff.

Russian vodka is already cheaper than gas. They would export it if they
already didn't use so much of it to purge their body. Daily.
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