Fuel Line Regulator Mounting - Ford Muscle Forums : Ford Muscle Cars Tech Forum
 
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post #1 of 7 (permalink) Old 02-10-2010, 09:54 PM Thread Starter
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Fuel Line Regulator Mounting

I needed a place to mount a fuel pressure regulator on a 302 in a '65 Mustang. There was no need to mount the regulator it on the fender well, or to route the fuel line forward because of the electric fuel pump mounted in the back of the car. I decided to mount the regulator on the end of the fuel line, and route the fuel line towards the back of the engine.

The owner of this car wanted an understated competition look that stainless steel braided lines with blue and red AN fittings would not give. When he saw the copper lines on some multi carb setups I have done, that is what he wanted.

It may seem unconventional that I am using 3/8" copper line as a fuel line, but I have used it for years and it works really well, is inexpensive, flares easily and bends nicely.

Now before I get a bunch of responses saying how you CANNOT use copper for fuel line, I have heard all the myths, rumors and experiences that people have had with copper line, and I stand by my article.

-One of the myths is that copper line will work harden.
Well, steel, aluminum and stainless steel line will work harden as well if not properly supported.

Cars, trucks, tractors and heavy equipment have had copper fuel lines for decades with no trouble. The universal dual feed chrome Holley fuel lines that have been sold for years are also copper, so this is nothing new.

18" of 3/8" copper line, six inverted steel flare nuts, a brass inverted flare "T" and a couple of adapter fittings would be all the materials needed.

This is the 650 Holley double pumper on the 302:



The first piece will tie in the rear bowl to a brass "T" that will also hold the fuel regulator:


The piece of tubing is clamped into the flaring block with the end protruding above the block equal to the flaring mandrel:


The mandrel is now slipped into the tubing:


The cone is placed on the mandrel and the first part of the flare is done by turning the handle on the flaring cone:


The flaring cone is loosened and the mandrel is removed. The flaring cone is now placed back on the tube and the second part of the flare is completed by turning the handle on the flaring cone:

We now have a double flare:


This is the regulator. The 90 degree fitting on the bottom will connect to the line coming from the tank:


The piece we just made is threaded into the rear fuel bowl, and the brass "T". Another piece of tube was made to thread in to the back of the "T" and hold the regulator. The other end of the "T" will go to the front fuel bowl:


A small aluminum bracket will hold the fuel regulator:




The line going to the front fuel bowl will need a 90 degree bend in it. A mark is made a 3 1/2" and the 90 degree line on the bender is lined up with the mark. The bend is made to 90 degrees on the graduated scale on the bender:




Here is the completed installation:


.
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Last edited by 67stang; 02-21-2010 at 04:36 PM.
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post #2 of 7 (permalink) Old 02-11-2010, 07:51 PM
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Re: Fuel Line Regulator Mounting

looks nice and clean, I have used copper nickel alloy for brake lines, same stuff that European cars use from the factory. bends easier than steel and flares like aluminum. Won't corrode like steel and looks great.
Federal Hill Trading Company

is he using an electric fuel pump? I see no return line.

83 FULLSIZE Bronco - 357W Comp Extreme 4x4 cam. Edelbrock Performer Intake and 600cfm Toilet Bowl.
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post #3 of 7 (permalink) Old 02-12-2010, 08:49 AM
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Re: Fuel Line Regulator Mounting

Actually if you were to peel of the Chrome on most Pre-made Dual inlet Fuel Lines you would see that they are Copper , as long as it properly supported its fine , ( a bit expensive thats all )



Quote:
Originally Posted by F15Falcon View Post
I needed a place to mount a fuel pressure regulator on a 302 in a '65 Mustang. There was no need to mount the regulator it on the fender well, or to route the fuel line forward because of the electric fuel pump mounted in the back of the car. I decided to mount the regulator on the end of the fuel line, and route the fuel line towards the back of the engine.

The owner of this car wanted an understated competition look that stainless steel braided lines with blue and red AN fittings would not give. When he saw the copper lines on some multi carb setups I have done, that is what he wanted.

It may seem unconventional that I am using 3/8" copper line as a fuel line, but I have used it for years and it works really well, is inexpensive, flares easily and bends nicely.

Now before I get a bunch of responses saying how you CANNOT use copper for fuel line, I have heard all the myths, rumors and experiences that people have had with copper line, and I stand by my article.

-One of the myths is that copper line will work harden.
Well, steel, aluminum and stainless steel line will work harden as well if not properly supported.

Cars, trucks, tractors and heavy equipment have had copper fuel lines for decades with no trouble. The universal dual feed chrome Holley fuel lines that have been sold for years are also copper, so this is nothing new.

18" of 3/8" copper line, six inverted steel flare nuts, a brass inverted flare "T" and a couple of adapter fittings would be all the materials needed.

This is the 650 Holley double pumper on the 302:



The first piece will tie in the rear bowl to a brass "T" that will also hold the fuel regulator:


The piece of tubing is clamped into the flaring block with the end protruding above the block equal to the flaring mandrel:


The mandrel is now slipped into the tubing:


The cone is placed on the mandrel and the first part of the flare is done by turning the handle on the flaring cone:


The flaring cone is loosened and the mandrel is removed. The flaring cone is now placed back on the tube and the second part of the flare is completed by turning the handle on the flaring cone:

We now have a double flare:


This is the regulator. The 90 degree fitting on the bottom will connect to the line coming from the tank:


The piece we just made is threaded into the rear fuel bowl, and the brass "T". Another piece of tube was made to thread in to the back of the "T" and hold the regulator. The other end of the "T" will go to the front fuel bowl:


A small aluminum bracket will hold the fuel regulator:




The line going to the front fuel bowl will need a 90 degree bend in it. A mark is made a 3 1/2" and the 90 degree line on the bender is lined up with the mark. The bend is made to 90 degrees on the graduated scale on the bender:




Here is the completed installation:


.
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post #4 of 7 (permalink) Old 02-13-2010, 07:04 AM
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Re: Fuel Line Regulator Mounting

If the owner wanted an " understated competition " look he should have bought a '72 Vega....It all sounds nice, but with M/T valve covers, a Holley carb and the roller rockers, what's the point ?? Stick the regulator on the motor where the fuel pump blockoff plate is now resting..Sometimes, we only fool ourselves......
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post #5 of 7 (permalink) Old 02-13-2010, 08:32 AM Thread Starter
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Re: Fuel Line Regulator Mounting

Quote:
Originally Posted by old gator View Post
If the owner wanted an " understated competition " look he should have bought a '72 Vega....It all sounds nice, but with M/T valve covers, a Holley carb and the roller rockers, what's the point ?? Stick the regulator on the motor where the fuel pump blockoff plate is now resting..Sometimes, we only fool ourselves......
He is not trying to fool anyone, and the valve covers are going in favor of a pair of stock steel ones. He merely did not want a bunch of polished, billet, racy looking parts, and AN fittings were on the top of his list.

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post #6 of 7 (permalink) Old 02-25-2010, 07:28 AM
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Re: Fuel Line Regulator Mounting

Unfortunately copper line is not DOT approved. It is true that seamless nickel-copper is DOT approved for fuel line. Also many tracks specifically state "no copper line" in the fuel system. The Mr. gasket chrome lines for the Holley were copper but I believe an annealed seamless copper tube, not refrigeration or plumbing copper tubing. So you have to decide the end use.
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post #7 of 7 (permalink) Old 02-25-2010, 01:56 PM Thread Starter
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Re: Fuel Line Regulator Mounting

Quote:
Originally Posted by ranchero67 View Post
Unfortunately copper line is not DOT approved. It is true that seamless nickel-copper is DOT approved for fuel line. Also many tracks specifically state "no copper line" in the fuel system. The Mr. gasket chrome lines for the Holley were copper but I believe an annealed seamless copper tube, not refrigeration or plumbing copper tubing. So you have to decide the end use.

My '27 Track T with a copper fuel line from the pump to the carb had to pass a Texas DMV inspection to get a title, and they were going over it with a fine tooth comb and a DOT book. It passed with flying colors.

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