Fuel system install help

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Old Oct 1, 2013 | 11:55 AM
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Default Fuel system install help

I bought a completely new fuel pump, filter, and stainless/AN line kit from GoAutoworks. I have all the necessary pieces and fittings from pump to rail to install it. I'd like to tackle this job myself instead of paying someone an arm and a leg to do it. Are there any DIY's or write ups that could point me in the right direction? This is for a del Sol... Thanks!!

***Edit***

The feed line install with everything was a breeze! Thanks for all the help!

I think I'm going to do a braided return line as well. What size should I do. The same as feed (-6) or should I do -4? What fittings do I need to connect it to the stock fuel pump carriage?

Too many lines under the car with all that. I'm pretty sure I'm going to cut out both feed and return hard lines...

I also plan on deleting the EVAP system. What is the best method to vent the stock hard line that goes to the bay? I don't want to vent it there, nor do I want it's vapors in my bay.

Last edited by DelSolMike; Oct 8, 2013 at 08:47 AM.
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Old Oct 1, 2013 | 12:05 PM
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Default Re: Fuel system install help

What pump what tank
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Old Oct 1, 2013 | 09:48 PM
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Default Re: Fuel system install help

Full blown 320 in tank. Stock del Sol Tank.

For the most part it seems pretty straightforward. Install fuel pump. Use GoAutoworks fuel line kit to go from tank to filter. It has the correct fittings I need to do it all... Now my main concern is running the stainless line under the car... What is the best method of running it, best method of attaching it to the car, do I need to worry about insulation and grounds, how to drain the system to not get fuel everywhere and how to remove the hard feed line... Any advice?

Last edited by DelSolMike; Oct 1, 2013 at 11:28 PM.
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Old Oct 2, 2013 | 03:31 AM
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Default Re: Fuel system install help

I usually leave the stock lines alone. Run the new fuel line under the car with the new fittings and filter up to the rail. Be sure to leave a small amount of slack but not too much. You want the line to be long enough, yet not too long that it hangs down a lot. I use whatever it takes to mount the line and filter to the chassis. Sometimes it's the rubber coated clamps that use a self tapping screw.. Other times it's zip ties. What I look for most are areas where the line may chafe on and low hanging areas where it may need to be tucked up higher.
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Old Oct 2, 2013 | 04:31 AM
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Default Re: Fuel system install help

Originally Posted by DelSolMike
Use GoAutoworks fuel line kit to go from tank to filter. It has the correct fittings I need to do it all... Now my main concern is running the stainless line under the car... What is the best method of running it, best method of attaching it to the car, do I need to worry about insulation and grounds, how to drain the system to not get fuel everywhere and how to remove the hard feed line... Any advice?
Whats the point of larger diameter feed line if you are reducing it down into the stock fuel filter? You should upgrade the filter as well.

Route the new line in the same way the stock line is. I reused the "tunnel" under the car.

I used threaded nutserts and insulated pipe clamps to attach to car. Was able to reuse the plastic fuel line tray for the front half of the lines after slight modification to accept the larger diameter hose.

Insulation and grounds? No.

I just cut the stock fuel line with bolt cutters in the middle and let it drain. No easy way to remove the line whole.
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Old Oct 2, 2013 | 05:54 AM
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Default Re: Fuel system install help

I'm sorry, you mid understood me. Everything from pump to injectors is new. Nothing stock other than the fuel tank... My main concern about doin this task is doing the line from the tank to the filter.
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Old Oct 2, 2013 | 06:19 AM
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Default Re: Fuel system install help

Its super simple just route it under the car and tuck it up into the casing that holds the stock lines it should fit if its -6. If not then use cousion clamps and self taping screws and clamp it every 18-24"
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Old Oct 2, 2013 | 06:58 AM
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Default Re: Fuel system install help

Right on! Do you recommend leaving the stock line or pulling it? What the best method of pulling it? Just really wanting to avoid a mess of fuel.
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Old Oct 2, 2013 | 07:58 AM
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Default Re: Fuel system install help

Originally Posted by DelSolMike
Right on! Do you recommend leaving the stock line or pulling it? What the best method of pulling it? Just really wanting to avoid a mess of fuel.
Not 100% sure on this, but my VW (engine is in the rear) had a throttle cable snap. And when I replaced that I connected the new cable to the old one and used the old one to pull the new one through the tunnel. If that makes sense, that's they way I would do it. Unless you can just feed it through the tunnel and leave the old one there, as a fall back plan.
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Old Oct 2, 2013 | 09:01 AM
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Default Re: Fuel system install help

I left stock lines über the car but cut out under hood
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Old Oct 2, 2013 | 09:11 AM
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Default Re: Fuel system install help

Awesome. I think I will do it that way. Whats the best way to depressurize the system? Or am I going to deal with leaky fuel no matter what?
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Old Oct 2, 2013 | 10:41 AM
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Default Re: Fuel system install help

Leaks no matter what you do just have some tags handy and wel ventilated area
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Old Oct 2, 2013 | 10:48 AM
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Default Re: Fuel system install help

Thanks!
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Old Oct 2, 2013 | 01:07 PM
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Default Re: Fuel system install help

What I would do to limit the amount of fuel mess is run out as much fuel as possible before attempting anything. If you have a fuel hose long enough this is the best way : remove the stock return line from the regulator. Use a long piece of fuel hose and attach it to the regulators exit fitting. Stick the other end of the long fuel hose into a gas can. Start the engine. Make sure all the fuel is getting into the gas can and not all over the engine bay...and possibly cause a fire. The gas can will full up as the tank drains. This is best done with less than 1/4 tank, out doors with a fire extinguisher and with a friend helping. Hopefully someone older than 19 yrs old.

Btw I'm not liable if you burn yourself or your car or any thing else for telling you how I do things. Fuel is very dangerous and should be treated as such.

Doing it this way will remove as much of the fuel out of the lines as possible without making a mess. Yes, there will still be fuel spilling out but it isn't going to be 5gal worth.
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Old Oct 2, 2013 | 04:21 PM
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Default Re: Fuel system install help

Yes, I plan on running as much fuel out as I can.

No, I am not 19. Far from. Still feel like it though, ha!
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Old Oct 6, 2013 | 06:20 PM
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Default Re: Fuel system install help

The feed line install with everything was a breeze! Thanks for all the help!

I think I'm going to do a braided return line as well. What size should I do. The same as feed (-6) or should I do -4? What fittings do I need to connect it to the stock fuel pump carriage?

Too many lines under the car with all that. I'm pretty sure I'm going to cut out both feed and return hard lines...

I also plan on deleting the EVAP system. What is the best method to vent the stock hard line that goes to the bay? I don't want to vent it there, nor do I want it's vapors in my bay.
Reply
Old Oct 8, 2013 | 08:47 AM
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Default Re: Fuel system install help

Any takers?
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Old Oct 8, 2013 | 08:56 AM
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Default Re: Fuel system install help

Return should be at least -6. You can eliminate the EVAP al together. Just be aware that plugging the vent will allow pressure to build inside the tank. Not a good idea. I like to leave a hose connecting the vent and run it up hill on the chassis.
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Old Oct 8, 2013 | 09:21 AM
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Default Re: Fuel system install help

Yeah, I definitely do not want to plug the vent line. I was just curious as to what the proper way of venting it would be. An open line venting gas vapors in my bay does not sound appealing.

Alrighty. What would be the best method of connecting the -6 return line back to the fuel pump housing?
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