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How To Install Holley's 255 LPH OEM Style EFI Fuel Tank Module
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- เผยแพร่เมื่อ 6 ธ.ค. 2017
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Maybe a stupid question, but do I have to run this black battery ground all the way to the battery, or just ground on any good ground?
Is it recommended to use a fuel filter before connecting to my factory hard lines? Or do we trust the filter in tank?
Looking at your 12-333 oe style 350 lph for my 88 gmc jimmy 5.7 350. Would there be anything else I need to do other than swap in and hook up seeing how it's already efi?
no return line?
Can this be used on a stock ls1 intake and fuel injection setup for my 67 Camaro is swap. If so what do I do with stock injection fuel return line.
Hello, are these products capable of using E85 fuel?
Can this be used with the Terminator system?
Can I use this with the Holley Sniper EFI?
Is there a wiring harness extension
Do I need to block the reglater on the holley sniper efi when iam using this in c10
Is this pump able to be ran off the relay supplied with the sniper?
Great Idea!
Should this pump prime every time key is cycled
Are yall going to make one or already have of these for a 78/79 F150 or Bronco?
Will this work on a 1967-72 blazer gas tanks?
Nice product :-) Please tell me how and where can i connect a fuel return line. For a 66 chevelle with Holley Sniper
If you are using this unit with a Sniper/ it isn't necessary to have a return line.
My exact question also awesome
This is phenomenal. Are there plans for making one for Ford Mustang applications?
12-305 is the part number for that application
@@six4sprint Woohoo!
What is the rated discharge pressure of the pump?
can you add a external fuel pressure regulator to adjust to 7-9 psi for carburetor system without damaging the fuel pump
It is possible but you would need to install a bypass style regulator and make provisions for the return fuel coming back into the fuel tank to prevent dead-heading the fuel pump. J
Does the new sniper systems no longer require the return line?
This one does not need a Return line !
So why is it my fuel gauge doesn't work after install? Reads empty all the time. Worked fine before 🤔🤔
How do I attach the filler neck onto the Holley Sniper 10-504? I have the tank and the filler neck but need a way to attach them. Thanks
give our tech department a call 866-464-6553
I was hoping to find one for a 1964 impala but no luck
Sorry, keep checking back as we add new applications weekly! thx J
@@HolleyPerformance any update on Impala applications?
@@GBD85 nothing yet! :(
can you purchase a external fuel pressure regulator to adjust to 7-9 psi for carburetor system without damaging the fuel pump. Is there a complete system that you can buy that allows us to keep stock equipment and only convert to in tank electric pump ?
Our OEM replacement modules are designed for EFI upgraded systems. However , yes you can add an external regulator for carb pressures. Keep in mind though a return style regulator would be the best setup to avoid unnecessary pressure and strain on the fuel pump. And require modification to the module or tank for the correct size return port. Thx J
Is a return line needed for this setup?
no
No Return Line required with this ....
What micron fuel filter do you recommend after the stock fuel line? Do you have a fuel filter holley part number for 6AN? Thanks i just ordered the 12-300 69 camaro
If your running EFI use a 10 micron, carbureted use a 40 micron post filter. We have plenty of options, here's a link to our -6 filter selection.
www.holley.com/products/fuel_systems/fuel_pumps_regulators_and_filters/filters/page=4
Thx J
Dead head the pump?
Ia this product able to be upgraded to a 340lph fuel pump
Depending on the layout and design of the pump, you should have very little problem adapting a larger pump. Remember the total fuel flow will be restricted by the fuel line diameter and the internal regulator has not been tested for performance with a larger pump. J
Can you use these with no return fuel line off the sniper throttle body?
Thinking of using these on a 66 chevelle and a 72 lemans from other comments I see no need for fuel return line off the sniper. Do I just plug all the sniper lines then except 1 inlet for this to feed the sniper?
thinking the same thing also
Can. This Pump Be Use for fi tech. System ?
Yes, this would work for most any fuel injection system.
Link shows this product only for Camaro/firebird. Will this be available for 73-87 c10?
that link has been fixed now: www.holley.com/products/fuel_systems/fuel_pumps_regulators_and_filters/fuel_pumps/efi_fuel_pumps/255_lph_oem_style_efi/
Thanks!
HolleyPerformance would it work with an 81 c10 also if dual tank how would this be possible to make it work
This is more than 1 year old now and still they have only a few vehicles covered. Come on Holley. What are you waiting for?????
I'm looking at the one for a gbody, and it has 2 hard lines. Why is that so. Ls swaping.
@@wyliebrewer5412Did you run a return line?
Why are you Americans talking metric volumes now.
That is how the pump manufacturer rated the pump output so we used the metric rating rater than converting it. J
Welcome to the early '80s.
and if i already have a fuel pump on my frame for my efi system can i use fuel hose to make up the difference what size or what fitting do i need to connect it to the hose
Yes, just make sure you use high pressure fuel line and EFI style hose clamps. Hose size is determined by the pump unit, most are 5/16" but some are 3/8". thx J