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10/03/2020 5:49 PM  #1


fuel line pump to carb

Looking for suggestions on fuel pump to carb lines with pics if you got them ?

I have edelbrock rpm mechanical pump and made a nice 3/8" stainless line that runs to inline billet filter that attached directly to my dual line but can't get the fitting at the pump to stop leaking,

I think its my flare or the line just not staying straight as fitting is tightened.  Has a ferule fitting at dual line. Really don't want to try and make another one of these and was hoping to avoid any lengths of rubber hose and a bunch of clamps.

 

 

10/03/2020 6:09 PM  #2


Re: fuel line pump to carb

Is that a single flare?

 

10/03/2020 6:11 PM  #3


Re: fuel line pump to carb

 

10/04/2020 6:11 AM  #4


Re: fuel line pump to carb

the line is a double inverted flare.  The edelbrock pump required a 3/8" npt fitting that converts to inverted flare.

was considered pre made up black braided lines you see online but they seem to all be too short.

     Thread Starter
 

10/04/2020 6:50 AM  #5


Re: fuel line pump to carb

I have the same fuel pump and used this stuff to make up my own the line between pump and carb.

https://www.summitracing.com/parts/EAR-680606ERL


And I used this adapter at the pump.

https://www.summitracing.com/parts/RUS-660843


And used this in-line filter


https://www.summitracing.com/parts/RUS-650133


And I used an assortment of the Earl's Ultra Pro hose ends to make all of the connections. Went together easily and no leaks.

Last edited by Chaplin (10/04/2020 6:50 AM)

 

10/04/2020 6:57 AM  #6


Re: fuel line pump to carb

Here's a pic that shows the fuel line. I also repurposed the bracket that is supposed to support the battery cable at the starter and used it to support the fuel line.

 

10/04/2020 7:53 AM  #7


Re: fuel line pump to carb

Aluminum fuel line is an option.  Cheap, easy to work with and mine does not leak.  I had the same issue when I made a mild steel line; just could not get it to stop dripping at the pump to line connection.  Zero issue with the aluminum one.

There is black braided AN hose also that works very well.  I've made up many, many feet of it over the years.  Also easy to work with and you can get fittings in black or silver.  Personally I hate the braided stainless line with red and blue fittings look.  It just screams '80s.  The black braided line and black or silver fittings give a nice modern alternative to that. 

 

10/04/2020 8:17 AM  #8


Re: fuel line pump to carb

Are you using the bottom exit plate?
Both inlet and outlet point to the ground.

Or the stock bottom plate that comes with pump?
Inlet and outlet are on opposite sides.

Picture of pump and your flare might be helpful too.
According the to description online, pump has 3/8 NPT.

Last edited by Nos681 (10/04/2020 8:18 AM)

 

10/05/2020 10:07 AM  #9


Re: fuel line pump to carb

I used Summit fittings and 3/8" SS braided line.  Notice how the "black" coating on the Summit fittings by the carb lost the blackness.


65 Fastback, 351W, 5-speed, 4 wheel discs, 9" rear,  R&C Front End.
 

10/05/2020 11:04 AM  #10


Re: fuel line pump to carb

BobE wrote:

I used Summit fittings and 3/8" SS braided line.  Notice how the "black" coating on the Summit fittings by the carb lost the blackness.

Bob, you sure have a lot of real-estate under the hood with those shock towers removed....

1fstsang, I can understand not wanting to bend another one, can you get rid of the flare at the pump and use a ferule fitting on that end too? Will it still be long enough? 


John  -- 67 Mustang Coupe 390 5 speed
 

10/09/2020 2:35 PM  #11


Re: fuel line pump to carb

Bolted to Floor wrote:

BobE wrote:

I used Summit fittings and 3/8" SS braided line.  Notice how the "black" coating on the Summit fittings by the carb lost the blackness.

Bob, you sure have a lot of real-estate under the hood with those shock towers removed....

1fstsang, I can understand not wanting to bend another one, can you get rid of the flare at the pump and use a ferule fitting on that end too? Will it still be long enough? 

For many years working on, and racing, a few different Fords with those shock towers I always said if I ever had the funds, I'd do the MII front end.  Very happy with the conversion.


65 Fastback, 351W, 5-speed, 4 wheel discs, 9" rear,  R&C Front End.
 

Board footera


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