Fuel cell return line

Fuel cell return line. Additionally, racing fuel cells for cars and trucks are designed Aug 4, 2021 · Details. Sent from my iPhone using Tapatalk Mar 30, 2010 · This is baffling. 2. Repair all leaks before starting the engine. 3. On the dotted line to the left of line 30, enter “More than one main home. Maintaining your car’s fuel line can Complete lines 17a through 30 of a separate Form 5695 for each main home. this is creating maybe 20psi of backpressure on the reg, so it has to be adjusted WAY OUT to get the FP down at idle. #3 · Sep 15, 2004. Sep 20, 2018 · A return-style fuel system can use either an electronic or mechanical fuel pump to send your fuel from the tank to a regulator to your carburetor or fuel injection system. Length, Regulator, Kit. FFR 3691K: Dart 427W, Momar 8 Stack EFI, 600'ish hp, TKO, 3. Install instructions photo show a top mount with a tube hanging down into the fuel cell. About 9 - 9. After that, you've pretty much narrowed the May 23, 2008 · Fuel Cell Return Question Jump to Latest Follow 4K views 5 replies 4 participants last post by Mike Beck May 27, 2008 Keep lines away from heat sources, ignoring this can cause Vapor Lock or fire. 6L LLY LMM LBZ Duramax Engine. Lever. Diagnose 1st, never be a parts changer! 355 small block chevy w/ modified 700R4. This improves pressure control at the point of use, reduces pump work load, and keeps the fuel cooler. In this system, the fuel pump runs constantly to Dec 1, 2023 · In carbureted systems, although not always necessary, a fuel return line can greatly improve engine performance and reliability. Features: Alternative to a weld-in bung. Use figure 11 as a reference. Joined May 19, 2020 Member Number 33 Messages 753 Loc Under the bus Apr 21, 2010 · About this item. We recommend using Moroso P/N: 65330 3/8” aluminum Fuel Line. Apr 18, 2023 · I'm in the process of figuring out how to do the fuel system on my 64 nova (complete rebuild). Does this mean the lines have to be facing the front of the Jeep or the back? Thanks for you help. #3 · Oct 8, 2008. A carbureted man in a fuel injected world. The fuel pressure should be within the manufacturer’s specifications for the engine. The return line is #8 from the pump bypass fitting to the cell which is only about 18” long. The installation is easy using standard hand tools, a drill and does not require access to the inside of the tank. Helps keep air out of fuel system Maintain consistent fuel delivery Direct fit for Holley’s Fuel Cells 1. marksoffroad. (Just not cost effective in some cases). This part number does not come with foam, but this exact cell is available with foam with the part #2050D. #10 · Sep 16, 2005. Even my carbed 84 has a factory return line from the pump. fuel line and hardline fittings except about the last 10" to the carb. 10. Holley carburetors powered every Monster Energy Nascar Cup team and nearly every NHRA Pro–Stock champion for four decades. When passing through a panel, use Bulkhead Fittings or Grommets to protect the line. Insert Hose into Fitting a. Billet aluminum bung construction. The return line is usually coming from the regulator. I replaced the AN fitting on the top of the cell with a roll-over valve (has a ball check to prevent spill in a roll over - about $30), I made one loop in the line to help prevent any fuel drips in case fuel makes it up into the vent line. max wall thickness. Aug 27, 2019 · 1. Had this problem myself in the past. Catch Tanks. The front right and left lines will each exit through their own bulkhead fittings where the firewall meets the frame rails. #1 · Dec 30, 2010. It has two -8an fittings in the sump and one -6an vent. Holley products for GM's popular LS engine Aug 19, 2008 · What you need is a fuel pressure regulatorset so that the pump doesn't overpower the needle/seat, not a return line. 137. 92 Isuzu Pup, 3800>r150f>dual toy cases. Add a Heat Shield or Sleeve for lines near a heat source, do not run lines closer than 6 inches. #4 · Oct 25, 2007. I used 3/4" out and 1/2" return line. Aug 8, 2007 · The return line is the fitting on the left of the fuel cell. This new factory style replacement sending is much more cost effective than a fuel cell or weld-on sump. Pull all slack towards the rear of the car. If you can drill a 1/2" hole you can do this. Your fuel tank sending unit should have a 3/8" tube to connect to the fuel line to the engine. Mar 28, 2016 · I won't do the fuel line inside the body. Tighten the fitting to the fuel pressure regulator. The aluminum Fuel Tank Return Fitting provides a threaded hole in the fuel tank without having to reach inside the tank. The rollover w/ a breather will do the same thing as a vent line just will close in the event of a rollover. You'll have to put a fuel cell bulkhead in the tank. If you’re converting to EFI, you’ll need to run a return line. Aug 2, 2018 · Electric pumps deliver an excess of fuel for most street use less than WOT. i am trying to put the 6. The final assembly of a new clean vehicle must occur within North America. #MAA-4309 all with russell alum. As far as the regulators???? There are different ones. Owning a Chevelle project is like having a giant-size piggy bank that you keep pouring money Dec 30, 2010 · 211 posts · Joined 2007. my website: www. Or fastest delivery Mon, Mar 4. Aug 8, 2004 · Federal Way, WA. The return from the injector pump and the return from the back of the head tie in together with -6an t and then feed back to antother -6an t that comes from the airdog return and then a line going back to my fuel cell. doesn't have to be below the tank, just below the 1/3 full line or so. Thanks for the info. 55 TruTrac, Red with Ghost Flames. I figured more people had run a fuel pump with a return line since there was Jun 15, 2010 · 786 posts · Joined 2007. They are offered in both flat bottom and rear sump variations to prevent fuel starvation under heavy acceleration. Have some ideas but how/where/size would you tap in return line to run back to tank. 4@141mph. 1966 Chevy II: Gone but not forgotten. Yep, I did it the same way. Jan 23, 2024 · To diagnose and repair fuel return line issues, follow these steps: Measure Fuel Pressure: Use a fuel pressure gauge to measure the fuel pressure in the fuel rail. 5 x 12. I have a professionally built 400sbc with a 750cfm carburetor (dyno'd at 525hp and 528 lf-ft torque). Jan 17, 2014 · Do you run 2 different fuels? My suggestion, don't do it. Nov 5, 2008 · For the return line. FREE delivery Wed, Mar 6 on $35 of items shipped by Amazon. THE INSTALLATION: Installing the Steeda fuel rail for return: Remove the fittings off the end for the stock fuel system and installed a -8AN flare onto the inlet and a -8AN to -6AN reducer on on the return side. Moreover, it can contribute to more efficient fuel consumption and smoother engine operation. This cycle of fuel circulation keeps the engine’s temperature down, reducing the risk of overheating. Simply remove the six or 12 bolts securing the existing cap to the top of your fuel cell, slap on a new gasket and bolt the new pump assembly in place. If you run 1/2" to the front, run a return line sized at 1/2". Does not require internal tank access. #3 · Mar 27, 2007. The ones that do can run fine without it because the electric pump is fairly weak. to/2W0uoNTs Jul 24, 2018 · Adding a return fuel line is an essential part of your electronic fuel injection installation. There is an alternative (next photos). Feb 28, 2012 · Fuel would follow the path of least resistance, and go right back to the tank. Original fuel system on 67's did not use a return line. 10) Fill tank with gas and check for leaks. hose, a fuel pickup, return, rollover vent, and a sending unit. Return the motor pump back to your main fuel cell. Can one of these lines be used as a fuel return for my TBI? Also, does it matter which way the cell is pointing? It says a 2" sump in the rear. Aug 16, 2012 · Next remove your injector return lines at the back of each bank of cylinders (line comes off the top of each injector) and collect the fuel returned from the injectors during 15 seconds of cranking. can someone post up some pics of the 6. Holley has been the undisputed leader in fuel systems for over 100 years. Cap the return line as suggested by others. Looking to put a return line in system , figure it would help pump life & run cooler and maybe quiet pump. Country of Origin : United States. They are made from 2. A 5/16-inch return line is usually adequate for fuel pumps that flow 255 LPH of fuel or less. com. Easy to do. 7 return lines that go from the side of the fuel rail to the side of the CP3 pump and the connecting lines that go to the fuel filter canister. This kit allows you to add the threaded bung with out having to do any welding. Oct 25, 2007 · 2218 posts · Joined 2006. Oct 9, 2017 · Have a 350 in a 50 chevy with external new Holley red pump #12-801, preset at 7# no need for regulator, new gas tank with extra port for return line. If your Fuel Cell does not have a 6, or 12 bolt flange drilled into it then follow the following instructions: 1. You need to use a return style pressure regulator mounted as close to the carb as possible. If I recall correctly it has to do with both limiting static electricity buildup and increasing the vapor level inside the tank. Jul 18, 2015 · hey guys was wondering how many of you run a return line from reg back to fuel cell? Bout to install a product engineering fuel pump and wanted to see if it was really a must to run a return line? What are some pros in doing this? Some say dont worry bout it but seems like theres alot of Details. Standard Bulkhead Fittings: Basic bulkhead fittings typically start at around $10 to $20 each for smaller sizes and can go up to $50 or more for larger sizes. Great for High Performance applications. www. It cannot go to the other side of the pickup like you said that in itself would help aeriate the fuel. And mount it as close to the carb as possible. Sep 4, 2005 · 9699 posts · Joined 2002. Fuel leaks and vapor lock are two of the most common signs that the fuel return line has been compromised. IIRC that's double the original size on an LLY. Aeromotive told me NOT to plumb it into the bottom because it can aerate your fuel before it goes to your pickup/feed line. 2 posts · Joined 2004. Oct 22, 2003 · One cell in particular has two pickup lines at the bottom with a sump in the rear. Some say run it to the top, and to ensure that the outlet for the line is submerged below the fuel level to avoid aeration from the fuel re-entry/splash. Mar 4, 2017 · The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1960 - 1966 Chevrolet & GMC Pickups Message Board: Fuel cell return line question. Post pump you will want to install at a minimum a 30 Oct 10, 2008 · San Diego. Jun 19, 2009 · That smaller 5/16" tube on the tank connects to the vent tube with a short piece of rubber fuel hose. Usually return lines feed through tubes that port the fuel out near the bottom of the tank (submerging the fuel return). Jul 21, 2008 · Here's a photo of my fuel cell and vent line. But for the brake lines, in my case, my master cylinder inside my body, under my cowl behind the dash. Dec 16, 2014 · The 82 fuel sender return line fitting (barb) is actually 5/16". 5mm thick 5052 TIG welded aluminum, with Aug 6, 2009 · This 5 Gallon fuel cell comes with an aircraft style flush mount cap, one -8 return on top, one -8 rollover vent on top despite what the picture shows, and two -8 outlets mounted at the bottom side of the two inch sump. A regulated return certainly keeps the pump from dead-heading when the pump is running but not the engine, or from 1/2" return tube allows use of a return/bypass regulator without modifying the fuel tank or switching to a fuel cell. Cobra Make, Engine: BDR 408W. #2 · Jun 15, 2010. This version features 1/2 inch diameter line and a 1/4 inch return line for better fuel pick up and increased fuel delivery. Fuel System Components. Apr 9, 2018 · I'm running a return line to the cell, and have read conflicting opinions about where/how to run the return. The fuel line runs alongside the engine. -8AN line from pump to rail. Removing -10AN Plug a. I have a 1969 nova that I replaced the fuel tank a few years ago. Now, Holley EFI products power these cars and are dominating the performance world. High-Performance or Specialty Fittings: If you require specialized bulkhead fittings for specific racing or performance applications, prices can range from $30 to $100 or more per fitting. These bulkhead-type Fuel Cell Pickup Outlet fittings are normally installed in a plate on the fuel cell. Jan 31, 2014 · Fuel lines for dummies. Sep 15, 2004 · 383 posts · Joined 2003. As long as the vent is outside the cabin and The diesel fuel return line is more than just a pipeline; it’s a vital part of the engine’s fuel system. Holley Aluminum fuel cells come in a several variations for nearly every race application. Location: Escondido, ca. XRedRavenX Discussion starter. 99. You may have a fuel delivery issue as well. $6591. Like I had mentioned I know on a fuel cell it is a good idea for it to hit the side of the tank to keep aeriation down. Jegs is telling me to use the other side on the sump but i'm not sure I Install Return Line. Diesel Fuel Injector Return line Rail Kit Compatible with 2004-2010 Chevy GMC 6. The old tank had rust problems so I put in a polyethylene 16 gallon fuel cell. The single low pressure pump that is required for carb setups puts out less than 10 PSI. Check Summit #220882 for an example. 9 and i am missing the return lines. Just a heads up for you! The 82 cars used a 1/4" return line like earlier cars but the fitting at the fuel sender was 5/16". Oct 17, 2006 · No return line is used on a properly done carb setup. Jan 25, 2012 · Will a fuel return line stop vapor lock. I'm trying to decide whether I should run the line back to the suction side of the electric fuel pump using a Y AN fitting, or, run 9 ) Fabricate a line connection from the fuel pressure regulator bypass return port to the new return line fitting in the filler neck. Works okay until the headers bake the fuel. Requires drilling 0. Sent from my iPhone using Tapatalk. Thread starter No way; Start date Feb 12, 2022; No way Viking Mothfukle. Jun 30, 2019 · The stock setup with 3/8" fuel line came with a 1/4" return line. Part Number: MSD-2922. You don't need a return with a holley blue, just a dead head regulator with the -6 to the carb will be fine. Jan 19, 2017 · Fuel line return question. Apr 28, 2022. So adding a cheap aluminum hard line in the fuel cell (like a siphon line) to move the fuel away from the pick up and below the fuel level should stable out the Feb 12, 2022 · Fuel cell return line. If the fuel pressure is too high, it may indicate a blocked return line. On warm days it takes a lot of cranking to restart. Return tube can be capped off if no return line is used. The cell has slosh foam about 1/2 way in the cell. Jun 20, 2018 · Product Description. Lubricate fitting and O-ring as shown, and securely press hose until it bottoms out. The fuel cell has two outlets coming out of the sump, i'm assuming one goes to the fuel pump and the other one is a return line. 2000 Dakota SLT QC- 4. #4. View the part here: Join Date: Jun 2014. Apr 3, 2022 · Most will use a coiled or single loop line off the roll-over vent, to prevent heavy fuel slosh from spitting a trickle on the ground. Oct 8, 2008 · 751 posts · Joined 2008. Earls Classic Hose and Hose Ends. All of these fittings have standard male AN fittings on both ends. I was at the shop that is doing it yesterday and the individual spoke about just adding an extension to the fuel line to extend it to reach the new location. You only have one fuel supply line that goes from the tank to the injector rail assembly. Jun 16, 2017 · I use a steel bulkhead fitting. Most of the manufactures switched at the OBD1/OBD11 transition. Mar 14, 2006 · I'll be using Mallory Comp 140 series electric fuel pump and Mallory reg. The engine is not flooded it just seems not to be getting any gas. Move the pump closer to the cell and put in a 3/8" return line, the plug to remove and and install the return line on is labelled on the casting. Mar 27, 2020 · Today we'll run you through how to install POL's Universal Fuel Tank Return Line Bung on a gas tank with our head tech, Randy Garrett. Fuel Return Line Fitting. Fuel return line and venting. Dec 5, 2017 · For LS swaps an Walbro 255L inline is a very common install. If the car does not run properly once the fuel system is plumbed, it is worth clamping the return pipe and see if the car picks up and runs well. (Image/Wayne Scraba) (Image/Wayne Scraba) The alternative is to route the forward line (s) over the top of the inner fender. To vent to the outside, I used a bulkhead AN fitting through Oct 10, 2017 · A returnless fuel system uses an in-tank pump and regulator. Double in, double out could be wrong (usually am) atleast the ID ratio between feed and return will remain the same. Apr 29, 2017 · Black High-Flow Fuel Cell Bulkhead Fitting -6AN. Rochester, New York 14617-2012. There is a -06 an bulkhead fitting that is currently capped almost at top (vertical part of tank)facing towards the front of car. net. If it is designed as a bypass style regulator, the front port will be the feed, side ports to the carb and bottom return. View Now. Feb 26, 2009. I own a 93 YJ and a 99TJ, YJ's have a regulator on at the fuel rail with the return going back to the tank and TJ's have a single feed line with all regulation in the tank as part of the sending unit. It would help if we knew more specifics of your fuel system. Right into the top of the cell. “She may not look like much, but she's got it where it counts, kid. Ranging in sizes from 12 to 19 gallons, they feature 12-bolt heavy-duty remote fill necks for use with standard 1 3/4 in. Mustang Dyno: 237 RWHP/279 RWTQ. Fuel Return Line, Atomic EFI, Rubber Hose, 3/8 in. May 30, 2019 · If the car has a replacement tank (alloy/plastic fuel cell etc) that has removed the in-tank pump, this can sometimes have a built-in regulator as well (quite common on single point injection cars). A fuel return line is a pipe that helps to maintain the fuel’s pressure. -10 return. Posts: 29. Aug 16, 2013 · This prevents frothing of the fuel. Numerous uses including power steering return, venting, oil return, and more. -6AN from rail to regulator and from regulator to tank. Sep 11, 2019 · The return line is the fitting on the left of the fuel cell. com Dec 4, 2004 · I'm planning out my fuel system and intend to use a 16 gallan Jaz cell that's 18. Speed-Seal and Speed-Flex. Then, complete the rest of this form. Which supports the theory why return systems are a more effective fuel system. That is if you have a carburetor X. Exact fit for all 69 models with the extra 1/4" return line. The material strength and inner design of automotive racing fuel cells helps to protect drivers in crashes by preventing fuel spillage. Secure the return line to the feed line using zip ties. Look closely on the regulator casting you will see it. So the brake lines have to exit the body somewhere. 93 out of 5 stars Apr 27, 2020 · The SIMPLEST way to CORRECTLY return fuel to your tank on a return style fuel system!! The gas tank filler neck return line adapter: https://amzn. . 799 pounds. Oct 10, 2008. Fuel Safe "Return" Fuel Hose Decals, 10 pack. The fuel return line routes excess fuel from the engine back to the tank. To avoid running the pump against a nearly stalled for in the lines at less than WOT a bypspass allows the unused portion to flow back to the tank. You are correct about the filter and pump location. 11) Start the engine and have an assistant check for leaks. $3499. 89 F-150 said: I can't say I've ever seen a carb with a return fuel line. Nov 21, 2018 · Line up the gasket with the mounting holes and zip tie slots and then insert the fuel pump hanger assembly into the tank and fasten with the included mounting hardware using the plastic washers as gaskets for the mounting screws. Adapters. EFI systems require a return line to move unneeded fuel from the fuel injection system back to the fuel tank. Not Ranked. They are usually called bypass regulators. It helps in regulating fuel pressure, avoiding the risks of flooding and vapor lock, which are common in carbureted engines. hole into a tank with a 0. #3 · Aug 19, 2008. 89. 1982 Monte Carlo SC: 400 sbc, Procharger D1SC, Fueltech, E85, th400, Strange 9" 3. Like. you dont always NEED it, but circulating cooler fuel to the carb is always a good idea. ”. Pass the return line through the firewall alongside the feed line and tighten the fitting at the pump first. 818-9 (53-9230. Gone, but not forgotten. 5 x 18. 7 fuel rail and grid delete plate on my 5. To regulate the fuel pressure, the ECU simply adjusts the pump speed or fuel injector rate. If you are planning on running fuel injection, you will need a return line to the tank. I’m running fuel injection that requires a 3/8” return. This process of cycling fuel from the tank to the injectors or throttle body and back to the tank is a complex process. In Stock. $0. Part Number: 555-110560. Remove one -10AN ORB Plug with 3/8” Hex key, turn counter-clockwise to loosen. That may not be your only problem. Positioning the convoluted tube such that it returns the fuel near the pickup helps prevent fuel starvation at low fuel levels. I'm actually going to cheat on the one below and run a -10 forward and -8 return. I bought the stock reproduction 3/8" fuel lines and 1/4" return line, but the parts place lists two fuel pumps, one with a return line and one without. I use the Internet to promote my business; I use a telephone to conduct it. * Quantity Pricing Available. No good reason to have a 3/8" return that I can think of. 89s. Glenn R. 1954 Ford F-100. My weber carb man (Bud with Redline Weber) wants me to run a fuel return line with a restrictor on my new dual DCOE setup on my 33 Ford hot rod to prevent any boiling in the fuel bowls. 500 in. FS 1DEC39. Chris. If you see more than 20 ml per bank (or 40 ml for all 8 cylinders) then you have a bad injector (s). I like to get all the fact before I start slapping thing to together, cost to much to get May 11, 2008 · Lines: -10AN from tank to pump. Comon guys YJ's use a return line, TJ's do not. I cut 1 end down, [leaving enuf threads for a nylon seal washer and nut], drill it for a length of 3/8" tubing, weld the tube in, cut to end close enuf to the bottom, to stay below fuel level. Take out the stock tank keep pump/sending unit for parts, trade stock tank for any STEEL bronco II or ranger tank, wash out said tank, cut 10" around fuel pump/ sending unit flange (thingy w/ steel lock ring, adapt to new cell ( bolts & o-ring), remove slip connects from stock hoses (knife) purchase high press line from Sep 21, 2007 · 41703. Jul 16, 2020 · The “normal” forward fuel line routing on a many cars is like this. Dec 16, 2005 · Most stock type efi fuel tanks with an in-tank pump have the fuel return line at the bottom of the tank with a tube from the sending unit. Diameter, 15 ft. Report an issue with this product or seller. Jan 5, 2007 · Jan 5, 2007. 250 in. Application Specific Parts. This item: Moroso 65385 EFI Fuel Return Line Kit. Mar 26, 2007 · 650 posts · Joined 2001. In your case a crash landing i guess. Most carburetors don’t have a fuel return line. You will still lose fuel due to evaporation because the rollover vent will be open untill it is upside down. I'm removing the fuel cell and electric pump in my 70 Nova and replacing them with a stock fuel tank and mechanical pump. Actually, a good carb setup does use a return line. Dec 21, 2007 · Mark Romeo. Pressure is controlled by a computer, which monitors a series of engine sensors to determine how much fuel to deliver. Have a Backdraft with aluminum tank. The IRA also added a credit for used clean vehicles, which can equal 30% percent of the sale price up to a maximum credit of $4,000. My thinking was purdy straight forward. Just buy an AN cap for the other line on the sump on the fuel cell. 146 L x 21. I have a 454 with a stock fuel pump a Mar 4, 2017 · Re: Fuel cell return line question. Hardline. Jan 9, 2022 · JEGS 555-103118 -6 AN Fuel Return Line Fitting Features: This JEGS fuel return line fitting is designed for installing a return line port into a fuel tank when adding a fuel injection system. autodermatology. This pump can easily be converted to AN6 style fittings to use with Hot Rod fuel hose lines and make for an easy fuel system install. I had Classic Tube make up a complete new front to rear stainless line in 5/16" when I converted my 80 Vette to fuel injection Racing fuel cells provide many performance and safety advantages over factory original gas tanks for several racing and performance applications. Package Dimensions: 0. I'm just currious where everyone is running the return line back too. If you think you need it, I guess you could buy two 3/8 pre-bent fuel lines and use one for the return. I've also used alum fitting, & a flare nut/sleeve on the tube. › See more product details. Product Q&A. Click image to zoom. 9/73- FJ40 Rustic Green - F155 3 spd (Sold) 05/72 FJ55 1F 3 spd Rust/Blue/White (Sold) 05/70 FJ55 2F 3 spd (Sold) 08/87 FJ60 2F 5 spd. Can be hose or bent hard line. It also offers an added safety benefit, which is why it’s often mandated by law. The return line is behind the fuel pressure gauge. $11. Connecting to the fuel system is easy with the -8AN return and -10AN outlet ports. 2 days ago · RCI uses 5052 aircraft aluminum alloy and TIG welding to make their aluminum street fuel cells lightweight and strong. A single fuel line exits the tank and travels to the engine. 5 psi the pressure will overcome the needle and seat assemblies and push them open causing uncontroled fuel bowl levels. Jun 17, 2016 · Ive never had an aeration issue returning fuel to the top of the cell , and thats with 2 A1000 pumps . thanx. Feb 8, 2010 · hello just a couple questions, for a sbc turbo car, with a fuel cell, is a return style regulator, return line to fuel cell really needed, also do i need a check valve in the return line, thank you for all your help, blow thru single turbo sbc, aeromotive pump, rci fuel cell, thx for the help Feb 16, 2018 · All four of these are quick and easy to install. Size Selection. This is fine as a temporary fix as I'm eager to get the Jeep back but am looking at doing stainless Apr 7, 2010 · If you don't have a carb with a return, use a regulator with a return. Fit Type: Vehicle Specific. Use with a reducer to connect 1/4" vapor return line from a mechanical pump. The purchase of a new clean vehicle between 2009 and 2022 may also qualify for a tax credit. I am having a Genright fuel cell installed in the back of my JK. Billet aluminum base and aluminum tubes are anodized for use with gasoline or alcohol. Black anodized -6AN fitting. Pre - pump you will want to install a 100 Micron Fuel filter to protect the pump from debris. I like to run the same size back as you run forward. If using a dip tube to the bottom of the tank it will make the pump work just as hard as if the return is to the sump. Return Lines should follow the pressure line back to the tank. 7L V8, 545RFE transmission, Polished/Ported Cylinder Heads, Bosch +4 Plugs, HO Cams, Mopar beehive valvesprings, bwdakrt 65 mm Throttle Body, Fuel Delivery mod, Magnaflow Hi-flow cat May 25, 2023 · Summary. A fuel return line prevents the engine from running out of gas if the car is turned off in an unsafe spot, like on railroad tracks or a tight road. I have worked on many drag cars that had fuel delivery failures from foam particles clogging the pump and/or regulator(s). 082 W (centimetres) Package Weight: 2. Return ran down to about 3" from the bottom of the tank. It ensures that the exact quantity of fuel needed for combustion is available, while the surplus fuel is returned to the tank. The pre-filter needs to be relatively coarse, it is just Jul 16, 2010 · This results in a lot of thrashing of the fuel in the pump rotor chamber at low engine speeds since the engine's fuel requirement isn't much compared to the pump's output. It's hit or miss with the quality of the baffling foam, or dislodged particles created during production/installation waiting to be carried off by fluid. To begin i have fuel coming from the fuel cell to a airdog 200 feeding straight to the injector pump. Mar 5, 2006 · If im runnin a fuel cell is there really a need to run a return line?? Andrew . If your fuel pump flows more than 255 LPH then a 3/8-inch return port is required. Third line was not for smog, it was designed to keep the fuel cool, also the pumps with the third line have higher capacity and the excess fuel must be returned to the tank. Andrew Nelson Slamd86dime@aol. Jun 22, 2011 · If your sending unit does not have the third line, do bother withit in a stock application. #13. 9. 508 H x 25. TLCA #1086. Jun 4, 2013 · Instead of over powering the fuel and creating air in the lines. Jul 16, 2005 · 6 return line to fuel cell My theory, inspired by a reputable big-par non-2jz shop, is the pump is pushing so much at idle and is trying to force it back through the little 6an line. Figure the amount to be entered on line 30 of both forms and enter the combined amount on line 30 of one of the forms. 100+ bought in past month. Save. This gets to be a bigger problem with high capacity pumps. Make sure you vent the top of the cell to the outside of the car, I go through the floor, you'll need an AN fitting and some extra line to do that right as well. Apr 12, 2023 · The buyer must meet certain income limitations. These fuel cells feature -10AN ORB fittings on the feed, return and vent ports, for high flow support and easy plumbing. Reach in, put the washer and nut up on the tube, tighten it. Any excess fuel that comes through the system and isn’t used is returned to your tank via the fuel pressure regulator. So I guess return at top with outlet tube to bottom of tank. I too, have decided to go with NICOPP hard lines between the external fuel pump and the carburetor and to use a return line to minimize vapor lock. It will help keep the fuel cooler and not let it airlock. . I now run -8 from mallory 140gph pump to a Jegs bypass fuel regulator with -8 back to the fuel cell. Also in Plumbing AN Fittings and Hose. All Hose Groups. This was how the TBI pump I just pulled was setup. Oct 10, 2007 · How much fuel psi do you run to the carb. mv hg he nh th cm vz ap fv yf