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 Post subject: 1300 FWD fuel hoses
PostPosted: Wed Nov 01, 2023 10:53 am 
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Joined: Sat Oct 07, 2023 7:30 pm
Posts: 8
Guys
I want to replace all the flexible rubber fuel hoses on my recently acquired 1300 FWD (sc)
I understand that tank to pump sections are 8mm and pump to carb is 6mm, but what
I’m not clear on is how many flexible sections there are. I can see the two engine bay sections
And am assuming there is one from the tank to the main line. Is that it?
(Can’t look at the moment due to illness.)
Thanks for your advice.
John


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 Post subject: Hello and .....
PostPosted: Thu Nov 02, 2023 11:33 pm 
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Joined: Thu Aug 09, 2007 1:22 pm
Posts: 6472
Location: Caithness, Scotland
Welcome to the forum John.

If it was up to me, I would be replacing the steel pipes with kunifer.
Lying in below the car, I have done this with one pipe from front to back, not the easiest job but doable.
(I will doing this time shortly on my Sprint)

I have never worked on a 1300, but as the sizes you quote are correct for Dolomites I imagine they are the same for your car.


Ian

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 Post subject: Re: 1300 FWD fuel hoses
PostPosted: Fri Nov 03, 2023 5:49 pm 
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Joined: Sun Aug 21, 2011 5:12 pm
Posts: 6996
Location: Highley, Shropshire
If it's the same as a Dolomite, there are 3 short section under the car, 1 near the tank outlet, a second roughly below the rear seat and a third to the rear of the front footwell. All these are 5/16" (8mm) as are the 2 longer hoses into and out of the fuel pump. If you have a TC 1300, the hose into the carbs is 5/16" and the pipes between are 1/4" (6mm). If it's an SC, I think the final hose into the carb is 5/16" also, but I wouldn't swear to it.

Steve

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'73 2 door Toledo with Vauxhall Carlton 2.0 8v engine (The Carledo)
'78 Sprint Auto with Vauxhall Omega 2.2 16v engine (The Dolomega)
'72 Triumph 1500FWD in Slate Grey, Now with RWD and Carledo powertrain!

Maverick Triumph, Servicing, Repairs, Electrical, Recomissioning, MOT prep, Trackerjack brake fitting service.
Apprentice served Triumph Specialist for 50 years. PM for more info or quotes.


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 Post subject: Re: 1300 FWD fuel hoses
PostPosted: Sat Nov 04, 2023 6:20 pm 
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Joined: Sat Oct 07, 2023 7:30 pm
Posts: 8
Thanks guys. I will be going over it thoroughly so will check as suggested.


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 Post subject: Re: 1300 FWD fuel hoses
PostPosted: Fri Dec 22, 2023 6:00 pm 
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Joined: Sat Oct 07, 2023 7:30 pm
Posts: 8
Done this job now. Just in case anyone else needs to do the job-replaced the rear hard line with 1/4" copper pipe. There are 4 sections of rubber hose on the car, listed below. They are ALL 6mm hose.
1. Tank to rear pipe
2. Rear pipe to main pipe (By rear suspension)
3. Main pipe in engine bay to pump hard line (I put an in line filter in this section)
4. Hard line to carb


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