[T3] Stupid question #395 Oil change time?

[Mike Fisher]

25' of $1/foot 5/16" Gates reinforced rubber hose & 35 $1 worm drive clamps
got me fixed.

On Fri, Jun 28, 2019 at 9:58 AM William Jahn <willjahn975 at gmail.com> wrote:

> I haven't used braided fuel line in years. I had 7 mm German none braided
> line on the engine for 10 years I don't know what fuel it's rated for Bus
> Depot is where I got it . I replaced all but under the tank with Gates
> Barricade FI hose I will handle ethanol fuels yet it's real difficult to
> get over the two metal rails to the injectors since the barb is so large .
> I used the Swiss made FI clamps on the engine which I used for the German
> hose and bought more of the same for the rest of the lines , they don't cut
> into the hose like the hardware of FLAPS regular hose clamps. I've used
> those before with out issue yet once you look at the hose after they do cut
> into the hose.
>
> On Fri, Jun 28, 2019 at 9:09 AM Jim Adney <jadney at vwtype3.org> wrote:
>
> > On 27 Jun 2019 at 22:42, Soren Jacobsen wrote:
> >
> > > I hate to admit it, but I've avoided using modern fuel hose in my
> > > engine compartments because I simply can't stand the look of it and
> > > the engine compartment is the most aesthetically important area of the
> > > car to me.  I've also been troubled by the "oh, just use some Good
> > > Quality quarter inch hose and clamp the hell out of it" mindset.  I'd
> > > much rather have something that fits to begin with.  I replace braided
> > > fuel hose every couple years, though; doesn't cost much or take very
> > > much effort, and under this maintenance schedule I've never taken off
> > > a hose that looked scary.  Perhaps I'm lucky, or the local fuels are
> > > relatively benign.  I've heard of people having rotten braided lines
> > > as soon as a year after installation.
> >
> > Most of you don't remember what the FI engines looked like when they were
> > new. Yes, the hoses had exposed braid, but that was covered by some grey
> > vinyl sleeving that made the exposed braid invisible except at the very
> > ends,
> > where the single-loop Oetiker hose clamps were. There was very little
> > braid
> > visible and no screw type hose clamps of any kind.
> >
> > I'd LOVE to find a source for grey vinyl sleeving, because I suspect that
> > it
> > provided one more layer of heat shielding that kept the gas from boiling
> > during the heat soak after shutdown. I actually have a roll of vinyl
> > sleeving
> > that I bought years ago from VW as replacement, but that came in black
> > instead of grey. Maybe it would work the same, or maybe the black color
> > would absorb heat faster than grey. Who knows what this looks like in IR
> > (Infra Red?) I haven't tried it. Just lazy, I guess.
> >
> > > Anyway!  With that confession out of the way, I recently stumbled upon
> > > some properly-sized (for the earlier cars that I'm most interested in)
> > > fuel hose.  I ordered some, but it hasn't yet arrived.  It's pretty
> > > expensive, but I figure if it lasts a decade (under the car where no
> > > one can see it -- I won't be installing this in any engine
> > > compartments, because ew bare rubber!) who cares about the cost:
> > >
> > > http://www.volksbolts.com/faq/fuelhose.htm
> >
> > This is a really interesting web page. They've done a great job of
> > condensing
> > the SAE hose specs down to the essential stuff. It looks like R6 or R7
> > would
> > be fine, but R9 would be better and R14 would be excellent. Too bad no
> one
> > bothered to proof read the page, as there are a number of typos, and they
> > substitued permitivity for permeability, which is completely wrong.
> >
> > > There's also this braided stuff, which I haven't bought yet but
> probably
> > will in the near future:
> > >
> > >
> >
> https://www.belmetric.com/multifuel-hoseethanol-approved-c-14_662/rhm5braid-flennor-multifuel-hose-5mm-braided-p-9852.html
> >
> > You'd have to buy the 5 mm stuff to fit on your 6 mm fittings, which is a
> > 20%
> > stretch, whereas 10% stretch is the max recommended. Our original 7 mm FI
> > hoses tended to fail where they were stretched over 8 mm tubing, so VW
> > changed to 7.5 mm hose. I now use 8 mm hose, which I can get away with
> > because of the 8.? bulges in most of the fittings. There are a few
> > straight 8
> > mm fittings, but only 2 that are under pressure. Those take extra care
> > (full
> > circle clamps) to seal reliably.
> >
> > --
> > *******************************
> > Jim Adney, jadney at vwtype3.org
> > Madison, Wisconsin, USA
> > *******************************
> >
> > _______________________________________________
> > VWType3.Org mailing list - type3 at vwtype3.org
> > To unsubscribe or change subscription options, visit:
> > http://lists.vwtype3.org/listinfo.cgi/type3-vwtype3.org
> > If you need more help, contact: gregm at vwtype3.org
> >
> -------------- next part --------------
> An HTML attachment was scrubbed...
> URL: <
> http://lists.vwtype3.org/pipermail/type3-vwtype3.org/attachments/20190628/b3a4f7bc/attachment.html
> >
> _______________________________________________
> VWType3.Org mailing list - type3 at vwtype3.org
> To unsubscribe or change subscription options, visit:
> http://lists.vwtype3.org/listinfo.cgi/type3-vwtype3.org
> If you need more help, contact: gregm at vwtype3.org
>


-- 
Eugene, Oregon

http://s169.photobucket.com/albums/u236/mr_bojangles500/
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.vwtype3.org/pipermail/type3-vwtype3.org/attachments/20190628/78049e1f/attachment.html>