[Vwdiesel] RE: [Audi-VW-Diesels] Fuel return line

[Forrest l king]

Wait wait wait,  model airplane tubing is fine.  just make sure you get
the kind that is for 'smoke oil' or diesel model engines' it is called
tygon, typically comes in yellow see thru, and is cheap.  like 1 dollar
per foot.  Tygon is the brand name most model stores carry.  HTH

7years modeling
6 years VWing

Forrest

On Sat, 19 Jan 2002 01:13:01 +0000 James Hansen <jhsg at sk.sympatico.ca>
writes:
> Gotta watch that Adrian.  Some model aircraft tubing is silicone
> tubing meant
> for alcohol- nitromethane not diesel.  Diesek will eat it up after a
> while I
> think, maybe try a bit first, or if you don't have any, lemme know,
> I'll drop a
> piece in some diesel and let you know the results.  I know it isn't
> recommended
> for diesel model A/C engines, you are supposed to use neoprene.
> -James
>
> On Friday, January 18, 2002 1:25 PM, Adrian Snare
> [SMTP:adriansnare at earthlink.net] wrote:
> > --
> > [ Picked text/plain from multipart/alternative ]
> >
> > Scott, et al,,   This I must share. At my local friendly hardware
> > store I discovered they have bulk flex tubing(hose) meant for toy
> fuel
> > powered
> > aircraft. The sizes seem to be at least close to what our Diesel
> caddies use(
> > 3
> > mm for fuel return from each injector) but I do not know the other
> sizes(
> > they
> > can be measured using a drill bit and some math,, 1 mm = .0396 (
> from memory)
> > )..I would not enjoy replacing the entire line, would rather
> splice in some
> > copper which can easily be swedged one size larger.. Adrian the
> hammer
> > mechanic
> >
> >
> > ----- Original Message -----
> >
> > From: Scott Kair
> >
> > To: Audi-VW-Diesels at yahoogroups.com
> > Cc: vwdiesel at audifans.com
> >
> > Sent: 1/18/02 6:54:07 AM
> >
> > Subject: [Audi-VW-Diesels] Fuel return
> > line
> >
> >
> >
> >
> >
> >      While I was changing injectors and their return
> > lines, I noticed
> >
> > dampness around the return hose that goes from a barbed connection
> at
> > the
> >
> > pump back towards the tank.  It seems to be of a slightly larger
> > diameter
> >
> > than the short return hoses that run from injector to injector and
> back
> > to
> >
> > the pump.
> >
> >     I snipped a bit of the apparently larger hose and
> > plugged it back in,
> >
> > but noticed that the cloth covering was a bit
> > brittle.  Apparently this
> >
> > isn't the first snip job; rather than making a gentle bend from
> the
> > timing
> >
> > belt cover to the fitting on the pump, the shortened hose must
> make a
> > rather
> >
> > severe bend.  I suspect that it won't be long until the barb
> > wears through
> >
> > and I have another leak.
> >
> >     Does anyone know what size this hose is, how long
> > it is, and where I
> >
> > might find a suitable replacement?
> >
> >     TIA,
> >
> >     Scott Kair
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > Your use of Yahoo! Groups is subject to
> http://docs.yahoo.com/info/terms/
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > ---Adrian the madman
> >
> > --- adriansnare at earthlink.net
> > --
> >
> > _______________________________________________
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> > vwdiesel at vwfans.com
> > http://www.audifans.com/mailman/listinfo/vwdiesel
>
>
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