My Efi tank solution - The 1947 - Present Chevrolet & GMC Truck Message Board Network

vannatta20 · 12-18-2012, 07:49 PM

Boyd's tank for 350$ plus a used ls1 pump for 35$ off eBay.

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vannatta20 · 12-18-2012, 07:57 PM

The ls1 pump assembly has a built in fuel regulator for a returnless fuel system. I removed it since my system had a return and used a basic 3/8 to 3/8 10$ fuel filter.
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**Clyde65** · 12-18-2012, 08:58 PM

Check to see what pressure that ls1 pump puts out, for the Lsx, you need 58psi at the rails
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68GMCCustom · 12-19-2012, 12:01 AM

my external setup has worked fine...but if/when it fails I've thought about doing something like this.

vannatta20 · 12-19-2012, 12:57 AM

My truck has a fuel regulator on the fuel rails. That's why I removed the fpr in the pump.
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coyotes33 · 12-19-2012, 01:10 AM

So you have a return style fuel rail? if so how do you have your fuel lines set up?

vannatta20 · 12-20-2012, 11:08 PM

Yes, I have a return from the fuel rail. I just run the return to the pump return. Pump feed to a cheap filter to the intake feed.
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coyotes33 · 12-20-2012, 11:15 PM

Quote:

Originally Posted by vannatta20

Yes, I have a return from the fuel rail. I just run the return to the pump return. Pump feed to a cheap filter to the intake feed.
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Do you have a list of the items you used for it and any pics?
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vannatta20 · 11-23-2017, 11:53 PM

Dorman 800-075 that will be the feed 3/8 line
Dorman 800-074 5/16 return line
Dorman 800-075 5/16 fuel fittings
Dorman 800-082 3/8 Fuel Line Fitting
Motorcraft FG1083 Fuel Filter 3/8 push connect ( may be wrong its been awhile) also this is only a filter. it does not regulate fuel pressure
Spectra Premium TR7 Fuel Tank Lock Ring

Total is about 60$ so not bad for the parts listed above. The fuel system will cause the most headaches in a LS swap. Either spend big bucks for a aftermarket setup or piece together a OEM setup in my opinion. Anything else can be a gamble. I have had every external fuel pump fail. Not worth it. Every customer has had their external pumps fail within 6 months. I know some others have had better luck but it is not worth the headache and stress.

If you need a regulator for a none return system get this
WIX Filters - 33737

New AC delco Pump https://www.amazon.com/ACDelco-Assem...1%2C3937584011

71Charlie10 · 11-24-2017, 01:21 PM

thats exactly what im doing! i havent figured out how to install the factory locking ring yet. Can you post a close up picture of yours? How did you secure the locking ring?

thanksd

vannatta20 · 11-24-2017, 01:33 PM

I don't have a pic but we just drilled and tapped the tank for small screws to hold the lock ring tight. The aluminum is thick enough. If it is stainless steel then that wont work.

71Charlie10 · 11-24-2017, 01:40 PM

i gotchya. thanks for getting back to me

12-18-2012, 07:49 PM	#1
vannatta20 Registered User Join Date: Oct 2011 Location: Las Vegas, NV Posts: 291	My Efi tank solution Boyd's tank for 350$ plus a used ls1 pump for 35$ off eBay. Posted via Mobile Device

12-18-2012, 07:57 PM	#2
vannatta20 Registered User Join Date: Oct 2011 Location: Las Vegas, NV Posts: 291	Re: My Efi tank solution The ls1 pump assembly has a built in fuel regulator for a returnless fuel system. I removed it since my system had a return and used a basic 3/8 to 3/8 10$ fuel filter. Posted via Mobile Device

12-18-2012, 08:58 PM	#3
Clyde65 1965 Chevy C10, 2005 4.8L/4l60 Join Date: Aug 2004 Location: DFW Texas Posts: 8,546	Re: My Efi tank solution Check to see what pressure that ls1 pump puts out, for the Lsx, you need 58psi at the rails Posted via Mobile Device __________________ Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684 *support our troops!*

12-19-2012, 12:01 AM	#4
68GMCCustom Truck and auto performance nut Join Date: Feb 2007 Location: McKinney,Texas Posts: 3,848	Re: My Efi tank solution my external setup has worked fine...but if/when it fails I've thought about doing something like this. __________________ Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken

12-19-2012, 12:57 AM	#5
vannatta20 Registered User Join Date: Oct 2011 Location: Las Vegas, NV Posts: 291	Re: My Efi tank solution My truck has a fuel regulator on the fuel rails. That's why I removed the fpr in the pump. Posted via Mobile Device

12-19-2012, 01:10 AM	#6
coyotes33 Registered User Join Date: Sep 2012 Location: San Antonio, Tx Posts: 65	Re: My Efi tank solution So you have a return style fuel rail? if so how do you have your fuel lines set up?

12-20-2012, 11:08 PM	#7
vannatta20 Registered User Join Date: Oct 2011 Location: Las Vegas, NV Posts: 291	Re: My Efi tank solution Yes, I have a return from the fuel rail. I just run the return to the pump return. Pump feed to a cheap filter to the intake feed. Posted via Mobile Device

11-23-2017, 11:53 PM	#9
vannatta20 Registered User Join Date: Oct 2011 Location: Las Vegas, NV Posts: 291	Re: My Efi tank solution Dorman 800-075 that will be the feed 3/8 line Dorman 800-074 5/16 return line Dorman 800-075 5/16 fuel fittings Dorman 800-082 3/8 Fuel Line Fitting Motorcraft FG1083 Fuel Filter 3/8 push connect ( may be wrong its been awhile) also this is only a filter. it does not regulate fuel pressure Spectra Premium TR7 Fuel Tank Lock Ring Total is about 60$ so not bad for the parts listed above. The fuel system will cause the most headaches in a LS swap. Either spend big bucks for a aftermarket setup or piece together a OEM setup in my opinion. Anything else can be a gamble. I have had every external fuel pump fail. Not worth it. Every customer has had their external pumps fail within 6 months. I know some others have had better luck but it is not worth the headache and stress. If you need a regulator for a none return system get this WIX Filters - 33737 New AC delco Pump https://www.amazon.com/ACDelco-Assem...1%2C3937584011 Last edited by vannatta20; 11-24-2017 at 12:14 AM.

11-24-2017, 01:21 PM	#10
71Charlie10 Registered User Join Date: Oct 2016 Location: FWB Fl Posts: 14	Re: My Efi tank solution thats exactly what im doing! i havent figured out how to install the factory locking ring yet. Can you post a close up picture of yours? How did you secure the locking ring? thanksd

11-24-2017, 01:33 PM	#11
vannatta20 Registered User Join Date: Oct 2011 Location: Las Vegas, NV Posts: 291	Re: My Efi tank solution I don't have a pic but we just drilled and tapped the tank for small screws to hold the lock ring tight. The aluminum is thick enough. If it is stainless steel then that wont work.

11-24-2017, 01:40 PM	#12
71Charlie10 Registered User Join Date: Oct 2016 Location: FWB Fl Posts: 14	Re: My Efi tank solution i gotchya. thanks for getting back to me



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