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Re: TR3 Fuel Line OD

To: Randall Young <ryoung@navcomtech.com>
Subject: Re: TR3 Fuel Line OD
From: suhring <suhring@lancnews.infi.net>
Date: Tue, 29 Oct 2002 06:44:08 -0500
Cc: "Triumph Internet Mail List." <triumphs@autox.team.net>
Organization: InfiNet
References: <NCBBKDNEEKEOHAOIIOIIOEHPHBAA.ryoung@navcomtech.com>
Randall:

I do have the original nut but bought standard 1/4" glands. I'll
have to think about this one a bit.

Thanks
Scott

Randall Young wrote:
> 
> Scott, the original line from the pump to the carbs was 1/4" od, as you
> found.
> 
> The problem is, there was a special nut and gland used to connect the 1/4"
> line into the 5/16" fitting on the fuel pump.  AFAIK, these are NLA.  If you
> have your old nut, you can reuse it, but without the special gland, the nut
> is too short and will bottom in the pump fitting before crushing a common
> 1/4" gland.  Overtightening will just break the pump (don't ask how I know
> this).
> 
> Unfortunately I don't know of a good solution to the problem, perhaps
> someone else does.
> 
> Randall
> 
> > The line running from the pump to the front carb that I took off
> > when dismantling the entire car is 1/4" OD.  All other lines that
> > were removed were 5/16" OD.  The fitting on the shut off tap that
> > runs to the fuel pump is 5/16th OD. The replacement line I got
> > from Moss for the pump to the carb is 5/16th.
> >
> > Here is my question, if the line running to the front carb is
> > 5/16" OD and the inlet pipe on the carb's fuel bowl is 1/4",
> > how do you connect the flexible fuel line between the two
> > when one end fits a 1/4" and the other is 5/16"?  If I go
> > with 1/4" line from the pump to the carb, will this negatively
> > effect my pressure?  My preference is to use 1/4" line since
> > it fits better and is much easier to bend and to then use
> > 5/16th line from the shut off valve back to the tank. Again,
> > any issues with negatively effecting the pressure?  What is
> > correct?

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