Plastic Nylon Main Fuel Line

[chriskent85]

I have a question. I just got some 3/8 dorman nylon fuel line and it doesn't fit my 3/8 barbed fuel filters. I tried to heat it up with a heat gun but the line collapsed when i tried to stretch it over the 3/8 bard. Talked to dorman and they said to try to boil it. How is everyone connecting their nylon lines

 

[broncodriver99]

Talked to dorman and they said to try to boil it.

That's what I did and it was still a pain. Had sore hands for a couple of days.

 

[JAFO]

I used rubber USCG approved line to run from the plastic line to fuel tank and from plastic line to carb. Pushed the rubber line up far enough onto the plastic line so I could double hose clamp. Been running that way since November 2015 without issue. 15k miles of driving.

 

[Rustytruck]

That's the way I do it and that's the way it came from the factory.

 

[Steve83]

Try a swaging tool:
https://www.amazon.com/dp/B071G2ZCQ2/
They can be found locally in better hardware & plumbing stores. Maybe the big-box stores, too.

 

[nvrstuk]

Boiling water works ... not a fun job but it lasts!

Marine hose is HD stuff! Wall thickness must be at least double what regular fuel hose is...course boats are notorious for blowing up if you have a fuel line with a wear hole in it so ...

 

[DirtDonk]

...I just got some 3/8 dorman nylon fuel line and it doesn't fit my 3/8 barbed fuel filters.

Are there multiple types of this nylon line? Perhaps some that are not made to be heated and inserted to a 3/8" barb?
I'm presuming that since you bought it recently it's made for what you intended. And that when you spoke to them they knew what you had.
But I thought I would throw that out there just in case.

Is nylon just nylon, and would all be made to have the same characteristics?

Paul

 

[chuck]

, or what would likely become a sales pitch for a pre-bent set of BC lines.

I did not offer or even suggest that steel was better or that I sell anything. I only ask why he wanted plastic.

 

[bronconut73]

I did not offer or even suggest that steel was better or that I sell anything. I only ask why he wanted plastic.

I would ask the same question.

Unless you are doing an accurate restoration.....upgrade....I did.

My ss braided fuel line has been in place for over 20 years. It has had all manner of brush poke at it pull on it and tug at it. Still perfect. Can't see neoprene fuel line or plastic fuel line holding up that well.
When I first saw my plastic stock lines right next to my exhaust I Damn near had a heart attack. I am sure Ford thought it was a great idea.....

I'm not a fan of the hard stainless steel lines but they are obviously profoundly superior to that plastic stock stuff.

Again...unless you are doing a restoration upgrade. Its your fuel system and worth upgrading.

 

[jim3326]

I'm not a fan of the hard stainless steel lines but they are obviously profoundly superior to that plastic stock stuff.

Again...unless you are doing a restoration upgrade. Its your fuel system and worth upgrading.

I love the ss hard line I put in mine. I got a coil of 3/8 and made it go where I wanted it to. Runs along the top of the frame out of the way and protected.

 

[chuck]

On our racer we used braided SS and ran it inside the frame front to back. Worked great but if I recall with the fittings the cost was $700.

 

[nvrstuk]

I"m curious, how did you secure it to keep it from bouncing around inside the frame? What did you use to keep it from having abrasion issues?

 

[chuck]

Nothing, as it turns out there is not all that much room inside the frame with all the stuff going through the frame but bouncing up and down would not make much rub. We have only had to pull it one time because some one welded on the frame and melted the hose a little. Not a lot but we had to pull it to be sure it was OK. The SS was black but the inner part was fine. The whole hose was dirty but had no fraying.

 

[Steve83]

What did you use to keep it from having abrasion issues?

SS braiding

 

[nvrstuk]

S/S braiding was worthless for abrasion on my P/S hose that was laying flat against the side of my fender... took 2 years and developed a nice flat spot that blew...

Take a backhoe type hose and let it rub for years in the same spot and it's fine... hence my question about what did you use to keep it from abrasion...

I currently (past 10 - 15 years have run brake line (for fuel) inside my frame rail with fuel hose over it in areas that I'm concerned about. Have both HP and LP in the past couple years now...

 

[bulletpruf]

Bumping an old thread that's got some pretty good tech. I'm working on getting my '69 back on the road and I plan to use the stock nylon line for now, assuming there are no leaks.