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Location:
Camden
Registered:
May 2002
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 Fuel line question
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Tue, 14 October 2003 08:24
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It has come time to fit some new fuel lines into my RA23 for a 1GGTE. I have had a bit of a try bending up some 5/16 tube but it looks bodgy and its is quite difficult making it fit and look good.
It is possible to use hose instead of pipe? Is legal? what are your opinions?
It would be far much easier as you could bend it and place it wherever you want. I would run the lines in a similar place to the standard lines whhich run in the gearbox tunnel so its not like they could possibly be cut in the case of a bottom out or crash.
wot do ya recken??
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Location:
Menai area of Sydney
Registered:
June 2003
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Re: Fuel line question
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Tue, 14 October 2003 10:19
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From hardware stores, you can get a coiled spring ( about 20cm long) to fit around the outside of the tube while bending it. This supports the tube and stops it from squashing. Sort of a mandril bending tool for soft copper tubimg. Plumbers use these so you can get them for different thiknesses of tubing. The spring will help you do a neat job as you work your way along the underside of the car replicating the existing lines.
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Location:
adelaide
Registered:
August 2003
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Re: Fuel line question
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Tue, 14 October 2003 10:25
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I bought a tool for bending brake lines etc from Repco, about $25 or so and it does 1/8, 3/16, 1/4 & 5/16 . I used it for brake and fuel lines..... same tubing.
It was easy to use and very neat tight bends up to 180 deg.
kevin.
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Location:
Brisbane
Registered:
February 2003
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Re: Fuel line question
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Tue, 14 October 2003 10:54
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it feels like a dumb question, but what kind of pipe should you use for fuel line?
i gotta do this at some point (bigger lines) but am unsure which pipe to use and where to get and what kind of fittings for any joints?
tia
charles
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Location:
adelaide
Registered:
August 2003
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Re: Fuel line question
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Tue, 14 October 2003 12:51
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May be there is a better alternative but I have used the same tube for both brake and fuel lines.. it comes in various sizes ( It used to be called bundy tubing years ago I think ) ... it comes in straight lengths and is cheap... just go to the local brake shop.
It is covered in some kind of green coating now days... I guess you could clean up the ends and braze/silver solder fittings on if you wanted to get fancy. I generally just use rubber line at the ends.
In another project I used normal " rubber " fuel tubing and slipped it inside aluminium tubing for protection, .. ie 5/16" rubber line slips inside 19mm aluminium tubing (from memory) with a little detergent etc. also you can get the coiled spring as suggested elsewhere in a size to suit 19mm tube and with a bit if effort you get good bends ( up to 45 deg ?? )in this tube .
kevin.
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Location:
Rosanna, Melb
Registered:
June 2002
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Re: Fuel line question
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Tue, 14 October 2003 15:10
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You could use tubing all the way if you like, as long as it is high pressure EFI tubing. But that is expensive, usually $20-30 a metre.
Bending up bundy tubing is the way to go, and use rubber tubing where you have to for joints and connections. You can also bend it over a big socket or any other nice sized round thing you have to hand.
Hen
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I supported Toymods
Location:
south of the big smoke
Registered:
May 2002
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Re: Fuel line question
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Tue, 14 October 2003 23:23
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you can use hose, but im pretty sure it has to be of hight quality, im using aircraft grade fuel lines 
hows the conversion going? all finished?
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Location:
Montrose, VIC
Registered:
May 2002
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Re: Fuel line question
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Wed, 15 October 2003 00:16
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Yah, use blue half inch aeroquip hose - or if you're on a more realistic budget, stick to bundy tube. Remember, though, PLEASE, that especially for the EFI pressure line, make sure you barb the ends of the pipe, don't just shove a piece of hose on there - a number of cars have undergone a process known as Charcoal Conversion as a result of this...
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Location:
Camden
Registered:
May 2002
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Re: Fuel line question
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Wed, 15 October 2003 06:11
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Thanks for the advice all. I have been using 5/16 bundy tube and a bending tool but i guess i am a bit of a perfectionist so i will have to keep trying till i get it right. What exactly is a barb on the end of the pipe?
Oz_Craig as far as the conversion is going.....very very slowly 
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Location:
Perth
Registered:
October 2003
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Re: Fuel line question
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Wed, 15 October 2003 07:26
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Go buy a pipe flaring tool from the hardware store, or automotive store, I got mine from Bunnings. All it does is put a barb or flare in the pipe, push the hose over this and place your hose clamp on the tube side, basically it stops the hose from flying off. Oh yeah ive seen them in Super Cheap to, will come with dies to flare tube say 1/4" to 3/4", about $20 i think.
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