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Old 06-21-2010, 07:29 AM
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Braided fuel line....

I am running braided fuel line for my project. -8AN from the tank to a fuel pump to a fuel filter to the inlet side of my EFI and the -6NA back to the tank for the outlet side of the EFI.

My question is, on the fuel pump and fuel filter there is no screw on -AN fitting. it is slip on. Can I use the braided hose and a hose clamp to secure the fuel line? The ends are -8AN in size.

Thanks,

Dave

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Old 06-21-2010, 07:53 AM
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what size are the slip on ends?
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Old 06-21-2010, 07:54 AM
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They are -8AN I am told. They appear to be that size.

Dave
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Old 06-21-2010, 08:30 AM
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I don't think barbed type slip on ends would be designated with an-AN size.-8AN is 1/2" and -6AN is 3/8" as long as the sizes are the same I would say clamp it. What would you be out if it didn't work but a couple of hose clamps?Cut your line a little long in case it don't work...LOL
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Old 06-21-2010, 08:37 AM
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Quote:
Originally Posted by BBCMudbogger
I don't think barbed type slip on ends would be designated with an-AN size.-8AN is 1/2" and -6AN is 3/8" as long as the sizes are the same I would say clamp it. What would you be out if it didn't work but a couple of hose clamps?Cut your line a little long in case it don't work...LOL
It is not a barbed end actually. It as a single bump or nub near the end of the fitting on each side of the filter and one sife of the fuel pump. rest of the fitting is smooth.

Dave
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Old 06-21-2010, 08:59 AM
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Of course you can use a screw clamp - but why? First of all, you are losing any benefits of braided line when you can purchase filters as well as adapters for the fuel pump, and carb. But of course - that begs the question as to why? Braided line will deteriorate internally after a few years as well as way more expensive then even SS line. Next, why -8? Is it an all out race car or is it a street driven car? Unless you are in the 500+cid displacement, you can never use that capacity? Aero Quip has a good write up:
http://hydraulics.eaton.com/products...e_products.htm

and another site:

http://www.jdaent.com/general-information.html

These fittings can be confusing!!!!!!!!!!!

The photo shown below has -6AN line at the fuel pump, filter and carb with frame mounted 3/8" SS back to the tank. The engine itself is a fairly mild Ford 5.0L (302). The line arrangement has also been used on my past very strong 351W engines as well.




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Old 06-21-2010, 09:06 AM
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The setup was recommended by the people I purchased the intake manifold from. They said it is roughly equivialnt to 1000cfm carb and needs the bigger line and fuel pump to handle the gas.

Not sure if that is true or not. This is my first build. I am a body and paint guy typically.

The braided line is from Summit Racing with -8AN fittings. I figured I could use the clamps but wanted to check.

Thanks for the input and links. Will read the article here in a bit.

It is not a barbed fitting but has a single nub towards the end of the fitting on the oil filter. Thinking of using something like this:

http://www.racepartsolutions.com/products.asp?cat=19

to connect to it.

fuel filter looks like this one:



Dave

Last edited by muscarmad; 06-21-2010 at 09:12 AM.
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Old 06-21-2010, 10:07 AM
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This is the one I'm using - doesn't make sense to use the one you pictured with -AN line/fittings:



Speedway - about $40 (others have similar filters)

Oh yeah - what intake/carb as well as engine do you have. 1000CFM is great - for NASCAR engines or full WOT drag cars. Street engines are whole 'nother bag.

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Old 06-21-2010, 11:01 AM
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This is the intake I am using:



Will look at the filters. however my fuel pump has the same style fitting on one end at least. Will need an -AN adapter for that.

Dave
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Old 06-21-2010, 11:23 AM
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Look at my photo above - that's a Carter hipo pump with the AN adapters.

Since it appears to be a small block ford engine, 302-351, etc and unless you have a LOT done internally and are only racing, your carb/fuel needs - 550 to 600 cfm. Even my long gone 460's in either the LTD or F350 only had a 500cfm Holley as the OEM carb.

Carb Size = CIDxRPM/3456xVE

-CID = Cubic Inch Displacement
-RPM = Operating max
-3456 = Constant
-VE = Volumetric Efficiancy

It is pretty though

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Old 06-21-2010, 12:11 PM
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As I already have a Rouche fuel pump I will try to adapt that. To expensive to buy another one. As for the fuel filter I am looking at this one:

http://www.summitracing.com/parts/TFS-23004/

Just need to find a -AN adapter to fit the fuel pump I have. Same connector on one end as the the fuel filter I posted above.

Dave
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Old 06-21-2010, 03:02 PM
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Quote:
Originally Posted by muscarmad
As I already have a Rouche fuel pump I will try to adapt that. To expensive to buy another one. As for the fuel filter I am looking at this one:

http://www.summitracing.com/parts/TFS-23004/

Just need to find a -AN adapter to fit the fuel pump I have. Same connector on one end as the the fuel filter I posted above.

Dave
That filter is rated for a 100 microns if that is going between your fuel tank and pump that's fine. However if it is between the pump and carb you want a smaller micron rated filter I have been running a 30 micron (between pump and carb) but they have even smaller ones like 10 micron for better filteration. Look here and scroll down link http://www.chevyhiperformance.com/te...tem/index.html
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Old 06-21-2010, 03:10 PM
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Thanks, my bad. I was going the wrong way. yeah I want the 10 Micron one.

I will look and see what I can find.

Dave
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Old 06-21-2010, 09:16 PM
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That is a very nice induction set up you are putting together, leaves the carburetor boys jealous.

Reading your post I think you are just wanting some fittings to adapt the fuel pump too AN . I have pasted a link with some examples of what is out there. They are made straight, 90 or 45

http://www.speedwaymotors.com/Blue-S...-Pipe,971.html


For myself I run AN10 from tank too pump and AN8 from pump too the carb .

http://www.barrygrant.com/bgfuel/default.aspx?page=85
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Old 06-21-2010, 10:00 PM
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Thanks. Will definitely check it out.

Dave
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