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New Fuel Line (Carburettor)


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#1 Alphaboat


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Posted 14 April 2019 - 09:01 AM

When replacing the fuel line that goes from the tank to the pump, is it necessary to replicate the flares used on the original fuel line?

#2 richmondclassicsnorthwales


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Posted 14 April 2019 - 09:52 AM

Not really - It just helps with the sealing. 


One thing to remember is the flexible pipe the hard line connects to will have possibly swollen a bit and dried up a tad. In this case if you are using the correct sized hard line (replacement) - it may feel a bit loose, so best to replace the rubber piping too


Just a case of not mixing old with new. Best to use new clips too if they are as old as the line.Just a safety thing really, you don,t want fuel leaks

Edited by richmondclassicsnorthwales, 14 April 2019 - 09:55 AM.

#3 Stu1961


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Posted 14 April 2019 - 09:54 AM

Cannot speak for everyone else but the original factory steel fuel lines on my 1982, 998 didn't have any flares at any of the fuel line joints. I think the key is to match the correct size tube (1/4"O/D x 22swg) to the correct size rubber hose (1/4" I/D) at any of the joints using the correct size clips think 11-13mm are the ones you want though I stand to be corrected on that. You don't state which model you have, I think, though not certain the injected cars may have had larger lines. 

#4 Alphaboat


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Posted 15 April 2019 - 02:31 PM

I have a 1275, 1994 mayfair . I'm replacing both the hard line and rubber pipe with new stuff, which is the same size as what came on the car. If it's not necessary I won't use any flares as the new rubber pipe fits snugly over the hard line anyway.

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