Re: Milano Fuel Hose

[Tony Lupton <Tony.Lupton@xxxxxxxxxxxxxxxx>]

Mark Denovich and Richard Welty both commented on the hoses in the supply
and return in the RHS rear wheel area. I'm working through this problem at
the moment on my 90.

2 notes to bear in mind:

- I'm referring to an Alfa 90 setup, which has the smaller 50L tank under
the 
  boot/trunk floor. Not sure what the GTV6/3.0L75/Milano setup is.

- I'm using the phrase "EFI hose" in lieu of "7.5mm ID EFI hose". 7.5mm is
not 
  available to me. Every hose or parts place I go into and say "7.5mm ID EFI

  hose", just gets me a "huh?". So, I've been using a hose marked 8mm 5/16"
for a 
  few years now without any problems.

The factory set up is:

supply:
- spigot on tank to hard metal line - 3" of 1/2" ID fuel hose (not EFI)
- hard metal line to pump - 2' of 1/2 ID fuel hose (not EFI). This is a
moulded 
  hose that has a nasty 180 degree back into the pump. I'm struggling to
replace 
  this hose at the moment, because the genuine part is NLA in Australia (or
at 
  least nil-stock). 1/2" fuel hose kinks if you try and follow the same
curve, but 
  there's no space for a larger-radius curve. any suggestions?
- pump to filter - 3" of EFI hose 
- filter to flexible hard line - 6" of EFI hose. This goes through another
tight 
  radius bend, but the hose copes just fine.

  All of this can be replace with a single 4-5' length of the 1/2" fuel hose
from 
  the spigot on the tank to the pump input spigot, provided you can solve
the 
  problem of the bend. you should probably use some wrap to protect the hose
from 
  rubbing on the hose retaining straps. You will of course still need the 3"
and 
  6" pieces of EFI hose on the output side of the pump.

return:
- flexible hard line to hard metal line - 3" of EFI hose
- hard metal line to spigot on tank - 3" of EFI hose

  All of this can be replaced with a single 3' piece of EFI hose from the
flexible 
  hard line to the spigot on the tank. Again, you should probably use some
wrap to 
  protect the EFI hose from rubbing on the hose retaining straps.

I never thought of getting rid of those hard metal lines, but that'd get rid
of the pig of a job of replacing the 3" piece from the hard line to the
tank, so out it will go.

Does anybody know why the supply lines don't run direct from the
tank-pump-filter-flexible hard line, but instead to
tank-bend-pump-filter-bend-flexible hard line? A much more sensible
arrangement to my way of thinking, but I'm sure there's a reason for it.

Tony
1985 Alfa 90 2.5i
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Tony Lupton                    *     ReTech Global Pty Ltd
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