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Air_Cooled_Nut
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Joined: March 27, 2004
Posts: 3068
Location: Portland, Oregon
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 Posted: Sun Jan 17, 2021 5:12 pm Post subject: Looking for quality fuel lines |
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I've been out of the scene since the Invasion in Colorado so I haven't kept up on parts suppliers. With a lot of help from @vwfye I've got an engine and it's ready to install. Before I do that I want to replace the cheap, aged, hardened fuel lines. I don't really care if they are German or meant for American cars, I just want something that is reasonably priced (so not necessarily the cheapest) and will last for well over a decade or more.
So, what do y'all recommend?
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Toby http://www.aircoolednut.com/
Did I mention that I'm an original Darksider?
'72 VW Squareback, 2007cc, GB 5-speed, rag top; '76 VW Riviera Penthouse Sundowner 2.0L; 2015 Audi S5 Cabby w/Stage II APR; '06 Ducati Sport Classic 1000; '14 Ducati Diavel Strada
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Typ3nut
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Joined: October 08, 2002
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Location: MI, MotorCity ManCave
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Air_Cooled_Nut
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Joined: March 27, 2004
Posts: 3068
Location: Portland, Oregon
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| Posted: Sun Jan 17, 2021 5:59 pm Post subject: Re: Looking for quality fuel lines |
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Hose specifically.
Good informative read, always love reading what @raygreenwood has to say.
So it looks like nylon fuel-rated hose is the route, now who are the suppliers?
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Toby http://www.aircoolednut.com/
Did I mention that I'm an original Darksider?
'72 VW Squareback, 2007cc, GB 5-speed, rag top; '76 VW Riviera Penthouse Sundowner 2.0L; 2015 Audi S5 Cabby w/Stage II APR; '06 Ducati Sport Classic 1000; '14 Ducati Diavel Strada
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Air_Cooled_Nut
Samba Member
Joined: March 27, 2004
Posts: 3068
Location: Portland, Oregon
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| Posted: Sun Jan 17, 2021 6:12 pm Post subject: Re: Looking for quality fuel lines |
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https://www.thesamba.com/vw/forum/viewtopic.php?t=...p;start=20
| raygreenwood wrote: |
...
The gist is that pretty much anywhere you can find properly sized Nylon line rated and marked as "fuel line"....you will be fine with it.
You can buy Dorman Nylon fuel line at Summit for about $35 for 25 feet.
Putting the fittings on...thats a longer post but there are many options. O have been working out how to connect to the various components in D-jet. Ray |
Okay, looks like a lead there and I'm sure other locations. A cursorary search brought up "Dorman" so that is another keyword for me. Looks like I'd need to find a way to mate the line to the existing ports (gas tank, filter, carbs, etc.).
Additional input still welcomed.
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Toby http://www.aircoolednut.com/
Did I mention that I'm an original Darksider?
'72 VW Squareback, 2007cc, GB 5-speed, rag top; '76 VW Riviera Penthouse Sundowner 2.0L; 2015 Audi S5 Cabby w/Stage II APR; '06 Ducati Sport Classic 1000; '14 Ducati Diavel Strada
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Glenn 
Mr. 010
Joined: December 25, 2001
Posts: 79493
Location: Sneaking up behind you
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| Posted: Sun Jan 17, 2021 7:31 pm Post subject: Re: Looking for quality fuel lines |
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https://www.belmetric.com/multifuel-hoseethanol-ap...5q4a0ee7t0
"Approved for gasoline, diesel fuel, water, air,heating oil and withstands higher levels of Ethanol up to E85
That means this hose can handle up to 85% ethanol in gasoline. Working temperature, -25 to 250 Degrees Fahrenheit"
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
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W1K1
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Joined: March 04, 2004
Posts: 5293
Location: Southern AB
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| Posted: Mon Jan 18, 2021 8:46 am Post subject: Re: Looking for quality fuel lines |
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the gates barricade I used several years ago when I installed my 1904cc is still like new, I cut a section open last year when I had my engine out. It is multi fuel compatible.
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raygreenwood
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Joined: November 24, 2008
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Location: Oklahoma City
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| Posted: Mon Jan 18, 2021 3:27 pm Post subject: Re: Looking for quality fuel lines |
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I plan to try some of this at some point soon.
I hope it has improved. The old school braided line was the best for decades. I started to see problems in the early 2000's.....but I can tell that while ethanol has been an issue with the older lines.....ethanol was/is not the only problem the fuel lines are having. I moved from one 10% ethanol city to another with 10% ethanol with about 3 complete fuel line changes spanning both cities.
The fuel in Atlanta gave me no problem. The first 3 years in Dallas....no problem. Both had 10% ethanol. Than Dallas got repeatedly popped for ozone violations. The fuel package got reformulated......and fuel line life went out the window. So while ethanol is part of the problem.....its not all of it.
And back in the day....with the old braided lines....diesel would eat it. So.....to see a braided line that is formulated for muti-fuel.....gives me good hope.
I still plan to run everything from the from end to the engine sheet metal in the back witn nylon. It just makes better sense because its easily 15-20 years bulletproof no matter what fuel.
But.....in an enclosed VW 412 engine compartment compared to a type 3 which is open to the ground and air.....our engine compartment cwn easily average 225° to 250° in the summer.
Most nylon fuel line is good to a max constant temp of about 248°F. Thats a little too close to peak engine bay temp for nylon.
So, I would probably keep as much metal and fuel hose inside the engine bay as possible. Even if I still have to change the fuel hose every 2-3 years.....thats only about 8 feet compared to 30' for the whole car.
It also keeps certain difficult connections like the CS valve.....simple. Ray |
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Air_Cooled_Nut
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Joined: March 27, 2004
Posts: 3068
Location: Portland, Oregon
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| Posted: Tue Jan 19, 2021 12:47 pm Post subject: Re: Looking for quality fuel lines |
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| raygreenwood wrote: |
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I still plan to run everything from the from end to the engine sheet metal in the back witn nylon. It just makes better sense because its easily 15-20 years bulletproof no matter what fuel.
But.....in an enclosed VW 412 engine compartment compared to a type 3 which is open to the ground and air.....our engine compartment cwn easily average 225° to 250° in the summer.
Most nylon fuel line is good to a max constant temp of about 248°F. Thats a little too close to peak engine bay temp for nylon.
So, I would probably keep as much metal and fuel hose inside the engine bay as possible. Even if I still have to change the fuel hose every 2-3 years.....thats only about 8 feet compared to 30' for the whole car.
It also keeps certain difficult connections like the CS valve.....simple. Ray |
Ray, I'm confused by where you will be running nylon hose and "regular" fuel hose (like what Glenn showed). Am I correct that you will use nylon forward of the engine tin and use regular hose in the engine bay & on the engine?
Yes, a cursory exploration shows special connectors for nylon. Yipee.
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Toby http://www.aircoolednut.com/
Did I mention that I'm an original Darksider?
'72 VW Squareback, 2007cc, GB 5-speed, rag top; '76 VW Riviera Penthouse Sundowner 2.0L; 2015 Audi S5 Cabby w/Stage II APR; '06 Ducati Sport Classic 1000; '14 Ducati Diavel Strada
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raygreenwood
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Joined: November 24, 2008
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Location: Oklahoma City
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| Posted: Tue Jan 19, 2021 9:47 pm Post subject: Re: Looking for quality fuel lines |
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| Air_Cooled_Nut wrote: |
| raygreenwood wrote: |
...
I still plan to run everything from the from end to the engine sheet metal in the back witn nylon. It just makes better sense because its easily 15-20 years bulletproof no matter what fuel.
But.....in an enclosed VW 412 engine compartment compared to a type 3 which is open to the ground and air.....our engine compartment cwn easily average 225° to 250° in the summer.
Most nylon fuel line is good to a max constant temp of about 248°F. Thats a little too close to peak engine bay temp for nylon.
So, I would probably keep as much metal and fuel hose inside the engine bay as possible. Even if I still have to change the fuel hose every 2-3 years.....thats only about 8 feet compared to 30' for the whole car.
It also keeps certain difficult connections like the CS valve.....simple. Ray |
Ray, I'm confused by where you will be running nylon hose and "regular" fuel hose (like what Glenn showed). Am I correct that you will use nylon forward of the engine tin and use regular hose in the engine bay & on the engine?
Yes, a cursory exploration shows special connectors for nylon. Yipee. |
Yes...sorry...had a few typo's...it happens when I work on my phone ... 
Everything from the front end....fuel tank, pump and filter connections etc....will by nylon. The fuel pipes in the tunnel will still be steel. The lines FROM the tunnel to the engine sheet metal fire wall will be nylon.....both feed and return lines.
All lines inside the engine compartment will either be steel or fuel HOSE. Its just to hot inside the engine bay for nylon on a 412. You would probably be just fine on a bus or a type 3. Ray |
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Air_Cooled_Nut
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Joined: March 27, 2004
Posts: 3068
Location: Portland, Oregon
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| Posted: Tue Jan 19, 2021 10:07 pm Post subject: Re: Looking for quality fuel lines |
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| raygreenwood wrote: |
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Everything from the front end....fuel tank, pump and filter connections etc....will by nylon. The fuel pipes in the tunnel will still be steel. The lines FROM the tunnel to the engine sheet metal fire wall will be nylon.....both feed and return lines. |
Okay, cool, that is my plan as well.
| raygreenwood wrote: |
All lines inside the engine compartment will either be steel or fuel HOSE. Its just to hot inside the engine bay for nylon on a 412. You would probably be just fine on a bus or a type 3. Ray |
Ah, gotcha! Thanks 
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Toby http://www.aircoolednut.com/
Did I mention that I'm an original Darksider?
'72 VW Squareback, 2007cc, GB 5-speed, rag top; '76 VW Riviera Penthouse Sundowner 2.0L; 2015 Audi S5 Cabby w/Stage II APR; '06 Ducati Sport Classic 1000; '14 Ducati Diavel Strada
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vwfye
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Joined: April 15, 2000
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| Posted: Thu Jan 21, 2021 8:55 am Post subject: Re: Looking for quality fuel lines |
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I used NHRA certified line for my pink car this last time. Multifuel compatible, and the car was 100 bucks, plus fittings and as a non braided, non metal, it was the only one allowed on the track. 
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Erik G
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KTPhil
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| Posted: Thu Jan 21, 2021 3:17 pm Post subject: Re: Looking for quality fuel lines |
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| W1K1 wrote: |
| the gates barricade I used several years ago when I installed my 1904cc is still like new, I cut a section open last year when I had my engine out. It is multi fuel compatible. |
I used this too. It's little off in size... larger OD, but still fits. Bend radius is increased a little by this, though. Multi-fuel compatible and it's lasted a few years so far with no sign of leaks or cracking. FI pressure rated, but a bit pricey. |
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Absoluteyeti
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Joined: July 17, 2018
Posts: 191
Location: Minnesota
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| Posted: Thu Jan 21, 2021 3:38 pm Post subject: Re: Looking for quality fuel lines |
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| Jbugs.com has the german metric braided stuff. |
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 79493
Location: Sneaking up behind you
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| Posted: Thu Jan 21, 2021 3:42 pm Post subject: Re: Looking for quality fuel lines |
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| Absoluteyeti wrote: |
| Jbugs.com has the german metric braided stuff. |
Is it E85 safe?
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
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Absoluteyeti
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Location: Minnesota
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| Posted: Thu Jan 21, 2021 3:46 pm Post subject: Re: Looking for quality fuel lines |
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| No but i have to ask why e85 (flex fuel)? It runs significantly hotter which would be terrible in air cooled engines. |
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Glenn
Mr. 010
Joined: December 25, 2001
Posts: 79493
Location: Sneaking up behind you
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| Posted: Thu Jan 21, 2021 4:01 pm Post subject: Re: Looking for quality fuel lines |
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| Absoluteyeti wrote: |
| No but i have to ask why e85 (flex fuel)? It runs significantly hotter which would be terrible in air cooled engines. |
Today all gasoline is E10 or E15. Maybe tomorrow it will have a higher content.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare
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Absoluteyeti
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Posts: 191
Location: Minnesota
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| Posted: Thu Jan 21, 2021 4:12 pm Post subject: Re: Looking for quality fuel lines |
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| Glenn wrote: |
| Absoluteyeti wrote: |
| No but i have to ask why e85 (flex fuel)? It runs significantly hotter which would be terrible in air cooled engines. |
Today all gasoline is E10 or E15. Maybe tomorrow it will have a higher content. |
Or run non-oxy? Mn still has non-oxy for offroad, boats and classic cars. |
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Erik G
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Joined: October 16, 2002
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| Posted: Thu Jan 21, 2021 6:14 pm Post subject: Re: Looking for quality fuel lines |
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| Absoluteyeti wrote: |
| Jbugs.com has the german metric braided stuff. |
 jbugs is shit I will never understand why people buy from that place. Oh, shiny ad
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Air_Cooled_Nut
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Joined: March 27, 2004
Posts: 3068
Location: Portland, Oregon
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| Posted: Fri Jan 22, 2021 6:04 pm Post subject: Re: Looking for quality fuel lines |
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| vwfye wrote: |
| I used NHRA certified line for my pink car this last time. Multifuel compatible, and the car was 100 bucks, plus fittings and as a non braided, non metal, it was the only one allowed on the track. |
Where did you get it? C'mon Bri, you know I'm detail-oriented
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Toby http://www.aircoolednut.com/
Did I mention that I'm an original Darksider?
'72 VW Squareback, 2007cc, GB 5-speed, rag top; '76 VW Riviera Penthouse Sundowner 2.0L; 2015 Audi S5 Cabby w/Stage II APR; '06 Ducati Sport Classic 1000; '14 Ducati Diavel Strada
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