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  • Fuel return line with a mechanical pump? | Team

    2015-12-24 · Your fuel pump would have to build more pressure then your regulator is set at. On stock setups with the 1/4' return line, that was actually a vapour return line to help prevent vapour lock. It had nothing to do with regulating fuel pressure. Just my opinion. Brent. 5.3/4L60 '70 Chevelle Clone Restomod.

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  • Return or Returnless: Which Fuel System is Right

    2016-12-22 · Sep 8, 2015. Location: Canada. Or as muscl car said, use the Carter street/strip M4891, and run hard line or a -3 or -4 off the carb fuel log for the return, no regulator needed, not dead heading, fuel and pump runs cooler, pump is clockable and has 120gph. I use Carter M60969, same setup, works great, no regulator.

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  • Engines: Returnless Fuel Injection Systems - EFI

    The VR line circulates a small amount of fuel from the fuel pump (or fuel filter) back to the gas tank. This lowers the fuel temperature and reduces the chance of the fuel turning to vapor (boiling). RobbMc 550HP mechanical fuel pumps have always had an 1/8 NPT port for an optional, extra cost (15) RobbMc VR fitting.

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  • Mechanical fuel pump with return | NastyZ28.com

    2007-1-8 · SB, Edelbrocks specs are not to exceed 6.5 psi, I think if you checked the pressure that your pump puts out you will find it to be right in that area. 4.5 - 5.0 seems a bit low, you want to make sure you have a good fuel supply at WOT. Yes the internal reg will dampen any pulses. No, I have never used a return line.

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  • FUEL PERFORMANCE

    2016-12-12 · A working pump will squirt fuel into the carburetor. However, if no fuel appears, then verify the tank has gas and check both the fuel line and fuel filter for blockages. Inspect the fuel pump visually. If fuel is dripping, the diaphragm is faulty and you need a new pump. Detach the fuel line from the carburetor and put it in an empty container. Crank the engine and watch how the fuel flows from the line. If you see steady, strong spurts, then the pump …

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  • Fuel Pumps | Bosch Auto Parts

    Fuel Pumps. Constantly evolving technologies and state-of-the-art manufacturing over the past 35 years allow Bosch to supply fuel pumps with tight tolerances and compact design, making way for the latest advancement — turbine pump technology. This revolutionary technology replaces older pump designs, providing improved drivability and reduced ...

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  • Perkins CAV Fuel Injector Pumps | Perkins Delphi

    2021-6-22 · Mechanical Governor Style Fuel Injector Pump Commonly found on Perkins 4.108, 4.236, 4.154 (North American version) and Perkins 6.354. ... This high pressure Emergency fuel injection line is designed to replace a failed line, it can be hand formed to fit any cylinder on most engines. You can be back under way in a matter of minutes.

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  • JCB Fuel and injection system parts

    2020-1-13 · FiTech 50001 Go EFI In-line Frame Mount Fuel Delivery Kit unfortunately will not come with a fitting to put the return into the tank. Our TKO Inline Fuel Pump Kits do include a Fuel Cuff: 20 ft. Inline Fuel Pump Kit without Return Line, with Fuel Cuff - AA9921. 40 ft. Inline Frame Mount Fuel Pump Kit with Return Line & Fuel Cuff - AA9940.

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  • Quick Tech: Return- vs. Non Return-Style Fuel

    2013-3-21 · Keep the 3 line system. The main point of it is to keep the fuel moving so that it can't pick up as much heat and cause vapor lock. If you are forced into a no-return type pump then use the OE fuel filter for a full size Jeep Cherokee with a 360 (try '79 as a jumping-off point) as they have the return line at the filter.

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  • Does Fitech EFI need a return line? –

    fuel than any hard line. An actual pressure loss can be measured over dis-tance. Second, for safety’s sake, it’s not a good idea to use rubber fuel line, especially when using a high pressure performance fuel pump. FUEL LINE FITTINGS Like the fuel line, fuel line fittings are also a very important element in the total

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  • Chev 350 mechanical fuel pump - 3rd vapor

    2019-12-20 · A dead-head regulator doesn’t use a return line and therefore there is no fuel redirected back to the fuel tank. The lack of a return line helps decrease installation costs but it can also limit the performance capabilities. These regulators come in a variety of styles and typically regulate fuel pressures in the 1-9 psi range.

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  • CP Performance - Mechanical Fuel Pumps

    Electric fuel pumps are designed to push fuel and they loose efficiency when pulling fuel from the tank. I do not recommend by passing the mechanical fuel pump when an electrical pump is installed. If you feel it is necessary to by pass the mechanical pump should it fail a by pass hose can be fabricated and carried to be installed if you desire.

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  • Vapor Lock and Electric Fuel Pumps – Classic

    2013-3-21 · Keep the 3 line system. The main point of it is to keep the fuel moving so that it can't pick up as much heat and cause vapor lock. If you are forced into a no-return type pump then use the OE fuel filter for a full size Jeep Cherokee with a 360 (try '79 as a jumping-off point) as they have the return line at the filter.

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  • Fuel Pump Pressure: Factors That Affect Optimal

    Other fuel pump companies may rate their fuel pumps at a given psi. For example the Walbro fuel pumps that we sell are rated at 40 psi. Our most popular fuel pump we sell is the 4 series fuel pump assembly. These assemblies use a Walbro 255 lph fuel pump. 255 liters is the volume of fuel that the pump will flow at 40 psi.

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  • Chev 350 mechanical fuel pump - 3rd vapor

    2008-12-24 · Fuel Line Tech Tips Mechanical vs. Electric Fuel Pump. The fuel pump for the Willys F-head engine is mounted on the left side of the engine block and is mechanically operated by an eccentric on the camshaft. According to the Jeep Universal Service Manual, 'The double-action fuel pump resembles two single-action pumps …

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  • Choosing the Correct Fuel Pump - Tanks, Inc

    2007-12-1 · BG pump-bypass to return-line kit: 150187 : Jegs High Performance: 66.99: BG fuel-pump-to-regulator kit: 150287: Jegs High Performance: 195.99: BG regulator-to-dual-carb kit: 151587-6: Jegs High ...

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  • Jeep Fuel Line Tech Tips on CJ3B.info

    2009-3-12 · I've got a mechanical fuel pump that came on the crate roller motor i've got. It's got the typical inlet on the left and right side. I know the inlet on the left is supply from the gas tank, and the outle on the right is the out to the carb. however, here is the kicker, it's got another inlet on the right side right above the line that goes to the carb.

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  • Fuel System - Car Craft Magazine - Hot Rod

    2019-2-17 · I currently have a single 5/16” line, no return, from my sender to my 440. I bought a new sender with 3/8” supply and 1/4” return to install. This is a road trip/car show car so not worried about having a massive racing pump. I need a pump with about 15psi or so and can lift fuel out of the top of my stock tank (external pump).

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  • mechanical fuel pump has three inlets, what's the

    2009-12-22 · 1982 22r mechanical fuel pump question?? « on: Dec 22, 2009, 04:28:57 PM ». My after market performance engine has a weber 32/36 coversion on it. I am replacing the fuel pump and I noticed the return line is plugged/capped off. I took the cap off and put a hose on it and put it in a jar. Lots of fuel came out.

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  • JEGS Chrome & Black Mechanical Fuel Pumps |

    JEGS Mechanical Fuel Pumps come in a black or chrome finish with a 360 degree adjustable housing to accommodate any fuel line routing configuration. These pumps are available in 80, 110 and 170 gph (gallons per hour) flow ratings at 8 psi (pounds per square inch) and are intended for gasoline applications only.

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  • Mechanical Fuel Pump - 73-87

    2005-9-12 · Disconnect the fuel intake and outlet lines at the pump and plug the pump intake line. On small block V8 engines, remove the upper bolt from the right front mounting boss. Insert a long bolt (3/8 in.-16 x 2 in.) in this hole to hold the fuel pump pushrod. Remove the two pump mounting bolts and lockwashers; remove the pump …

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  • SU Fuel Pumps & Spares - SU Carburetters

    SU Fuel Pumps & Spares. PLEASE NOTE: To find the correct model of fuel pump for your vehicle & the associated spares, please use the vehicle search on our home page. LP = Low pressure fuel pumps. Bulkhead Mounting. HP = High Pressure.

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  • Weber carb, electric fuel pump, fuel return line???

    2011-10-13 · The mechanical fuel pump had a fuel return line and as of now there IS NO RETURN FUEL LINE. Now my 2nd question is this. Since the weber has such a low psi and even though the pump says it is not greater than that I would like to put on a fuel regulator especially just because my gaskets look wet like the carb is getting to much fuel.

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  • cummins fuel line | eBay

    Fuel Rail Supply Line for 03-07 Dodge Cummins 5.9L Diesel (1292) Brand New. C 74.16. Buy It Now. +C 37.11 shipping. from United States. Last one. 97 sold.

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  • I installed a new fuel pump, but the line from the

    2017-3-19 · I installed a new mechanical fuel pump yesterday , and the line from the pump to the carburetor is leaking at the flare fitting connecting the line to the pump outlet. My car has 77657 miles. My car has an automatic transmission. Recommended Services. Fuel is leaking from gas tank Inspection: 79.99 - 99.99:

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  • 5 Common Signs that Your Fuel Pump is Failing

    2016-6-20 · The fuel pump is a device that moves fuel from your tank to the engine, supplying the fuel at a constant pressure to ensure that your engine runs smoothly. Depending on the age of your vehicle, you may have either a mechanical or an electronic fuel pump, and, if you’re attentive, you can catch the symptoms of a failing fuel pump …

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  • How To Add a Return Fuel Line The Right Way

    2016-1-8 · The fuel return hose is a fuel system hose that is found on vehicles equipped with carburetors. It’s primary purpose is to return excess fuel from the carburetor to the fuel pump, however it ...

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  • Symptoms of a Bad or Failing Fuel Return Hose |

    2009-12-22 · 1982 22r mechanical fuel pump question?? « on: Dec 22, 2009, 04:28:57 PM ». My after market performance engine has a weber 32/36 coversion on it. I am replacing the fuel pump and I noticed the return line is plugged/capped off. I took the cap off and put a hose on it and put it in a jar. Lots of fuel came out.

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  • Fuel Pressure - QuadrajetParts.com

    Mechanical fuel pump return line-Some mechanical fuel pumps have provisions for a return line back to the fuel tank. A return line helps keep the fuel cooler and because it allows the fuel pressure in the line to bleed off, it makes it easier and safer to remove the fuel line after shutting off your engine, without getting fuel on your hot engine.

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  • Carter Mechanical Fuel Pumps - Engineered in USA

    Carter's mechanical fuel pumps are engineered for car enthusiasts who work closely with older model vehicles with engines designed for low fuel pump pressure. . Contact Tech Support: (888) 565-9632 ...

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  • Holley fuel pump, return line or not to return line ...

    2010-7-16 · Holley fuel regulator, one side feeds carb 750 Holley, other side feeds liquid filled fuel pressure gauge. I bought the car 3 yrs ago, been running the fuel pump this way ever since. Lately my fuel pump started to leak between the elctrical pump and the vain rotor housing. I'm thinking to much resistance on it because of no return line.

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  • How Do PWM Returnless Fuel Systems Work? -

    Kohler Part # 1975524S Electronic Fuel Pump Module. Genuine Kohler Electronic Fuel Pump Module With Bracket, 1975524-S - 19 755 24-S, Free Shipping. No Tax. Used on ECV850, ECV860, ECV870, ECV880 The new FPM... 199.16 273.56. Save: 27% …

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  • Kohler Fuel Pumps : Kohler Engines and Parts

    2017-3-19 · I installed a new mechanical fuel pump yesterday , and the line from the pump to the carburetor is leaking at the flare fitting connecting the line to the pump outlet. My car has 77657 miles. My car has an automatic transmission. Recommended Services. Fuel is leaking from gas tank Inspection: 79.99 - 99.99:

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  • I installed a new fuel pump, but the line from the

    2012-2-23 · The fuel pump that was on mine had a return connection on it.If it didn't come with a/c then I'm guessing GM used a different fuel pump.Because I bought a new fuel pump,auto parts asked if I had a/c,said no and I got a different fuel pump w/o a return on it.I bought a new tank also,it had 3 lines one is going to the pump,one for the return( I ...

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  • 79 Fuel line/tank question | NastyZ28.com

    2013-3-26 · 89 jeep wrangler yj 4.2 Hi I recently got a new mechanical fuel pump unfortunately I'm not getting any fuel from the tank to the pump. I've tested the pump with a gas can sitting on the side of the jeep and it does pump from the gas can to the carburetor just fine but for some reason when I hook up the lines from the pump to the gas tank it does not pump …

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  • New fuel pump... No gas | Jeep Wrangler Forum

    2009-12-22 · 1982 22r mechanical fuel pump question?? « on: Dec 22, 2009, 04:28:57 PM ». My after market performance engine has a weber 32/36 coversion on it. I am replacing the fuel pump and I noticed the return line is plugged/capped off. I took the cap off and put a hose on it and put it in a jar. Lots of fuel came out.

    Get Price
  • 1982 22r mechanical fuel pump question??

    2008-8-28 · The mechanical fuel pump runs off pressure waves in the crank case. It is probably bolted to the block and has a non-fuel hose running to it. Make sure the hose is plugged, as well as the hole behind the fuel pump that you can't see. Don't let those holes vent to the air or your engine won't run right.

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