Nylon fuel hose

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hermeticist
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Nylon fuel hose

Post by hermeticist » Sun Jun 16, 2019 11:04 pm

After attempting to replace the above gearbox fuel hose, I thought it might be more prudent to run longer lines of nylon (as many people have done). Is this the correct stuff:

https://www.advancedfluidsolutions.co.u ... 5520-p.asp

I can't seem to find it locally but the wall thickness (1mm) seems very thin? It's sort of clear coloured on the 1800ti but this one is available in a multitude of colours.

I believe the sizes are 5/16 and 1/4 but usually replaced with 8mm and 6mm?

Thanks!



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Nylon fuel hose

Post by philhoward » Mon Jun 17, 2019 2:18 am

You need 8mm and 6mm outside diameter nylon - your rubber hose will be 8mm and 6mm inner diameter.

1mm wall thickness is absolutely fine.


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Nylon fuel hose

Post by hermeticist » Mon Jun 17, 2019 5:57 am

Thank you Phil



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Nylon fuel hose

Post by peter freeman » Mon Jun 17, 2019 8:08 am

I moved my pump to next to the tank on the drivers side - to get it out of the weather and ran metal pipes into the engine bay down the drivers side of he car - no cross over above the gearbox any more



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Nylon fuel hose

Post by reliant-reviver » Mon Jun 17, 2019 8:18 am

If you can source 1/4" pipe that is preferable as 6mm hose will then be a tighter fit.


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Nylon fuel hose

Post by hermeticist » Mon Jun 17, 2019 9:18 am

Is there any specific specification for the nylon hose, is the linked stuff correct? I am going to try and source some locally today and I understand it's the same as air brake hose - I thought this might give me a greater chance of sourcing stuff but obviously my main priority is safety.

Peter, I do like your idea, I'll take a look and see if I can run it somewhere else but I was going to try and reuse the existing clips. I'm guessing, from how Reliant fitted it, that it's not flexible enough or suitable for bending through the grommets into the engine bay?

I also seem to have acquired an incorrect fuel filter because, although it fits in the bracket, the outlet is straight up and this forces the hose to bend too sharply. It looks right as to the parts manual but I can't remember where I acquired it. Another day and I can probably have the car up and running.

Thank you yet again for all of your help, it is genuinely appreciated!



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Nylon fuel hose

Post by scimjim » Mon Jun 17, 2019 10:01 am

I bring new nylon through the grommets into the engine bay.


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Post by hermeticist » Mon Jun 17, 2019 11:32 am

I think that would really make life easier :)



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Post by hermeticist » Mon Jun 17, 2019 11:36 am

Apparently, it needs to be rated as PA12 (there is also a PA6) for it to be suitable for fuel...



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Nylon fuel hose

Post by scimjim » Mon Jun 17, 2019 11:51 am

And a PA11 and PA66 - found some info here but the upshot is PA12 for fuel as you say


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SECURE DRY STORAGE FOR YOUR SCIMITAR

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Nylon fuel hose

Post by hermeticist » Mon Jun 17, 2019 12:12 pm

Thanks Jim, It seems that most is PA12 but worth checking.



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