Type 44, NLA fuel line conundrums

Huw Powell audi at humanspeakers.com
Sun Jan 17 19:13:34 PST 2016


It never occurred to me to worry about the fuel lines.  Unless, I 
suppose, the steel ends are horrible corroded.

If an issue does arise, of course, EFI would be the answer, not 
struggling to make new hoses.

- Huw

On 1/17/2016 9:33 PM, DeWitt Harrison wrote:
> I've lately become paranoid about the eleven flexible fuel lines
> (injectors, main supply, warmup regulator, etc.) in the MC1 engine
> compartment which are all NLA according to one Denver area Audi dealership.
> So I thought that they could perhaps be rebuilt with fresh hose stock.
>
> But having dissected one old Audi fuel hose, I'm currently of the opinion
> that it would be a formidable task to rebuild these fuel lines to factory
> spec because, after extensive surfing, I've learned the oe hose is a very
> specialized construction and dimension with a nylon 12 core and a braided
> steel reinforcing covering. It also appears that special tooling would be
> required to assemble the hose to the hose ends (assuming the non-standard,
> oe hose ends can be salvaged from used factory hoses). I do not think my
> local hydraulic hose fabricator/rebuilder would be up to the task.
>
> So ... any thoughts? Am I being too paranoid about these 28 year old fuel
> lines? Are there hose fabricators who could rise to the challenge of
> rebuilding to Audi original specs? (If they were simple rubber fuel lines,
> replacement would be trivial, right?) Or would it be smarter to rip out the
> whole CIS system and go with contemporary EFI?
>
> Thanks for your ideas,
> DeWitt Harrison
> 1988 5ktq
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