holley black fuel pump leaking

I read alot of post that had the same problem. All electric pumps push fuel far better than they can pull (suck) fuel. Items 1 - 21 of 21 Items. I'm sure it's been discussed before, but here goes. Maximum pressure is 14 psi. My fuel pump is leaking from the Vent hole. New one now is an AED DP. CAUSE PARTS TO CRACK, ALLOWING FUEL TO LEAK. Turbo 350 automatic transmission with shift kit and 3000 stall converter. Messages 608. Do yourself a favor and get a Mallory Gerotor or Aeromotive pump. Engine runs too rich and spark plugs are black and sooty. Aug 11, 2010. 1 - 15 of 15 Posts . 1. Kent '68 Malibu ZZ502/502 ACES #5102 . Custom built 327 CI V-8 engine. The accelerator pump diaphragm is also a leaker. . 3. my hot rod is acting the same way it runs for about a half hour than loses all fuel pressure, The holley red electric fuel pump is running like crazy but not pressurizing, Do you remember what cured you problem back then . Loud as hell. There are some good books on the subject of 4) Accelerator pump defective or blown out AED Holley 4150 4 Barrel Ultimate Carb Rebuild Kit: Double Pumper (Mechanical Secondaries) The kit will work on 390 through 1000 cfm Mechanical Secondary Holley Carburetors ( 390 , 600 , 650 , 700 , 750 , 800 , 850 , 900 , 950 , and 10 Accelerator Pump Discharge Nozzle Your carb might be a little greasier . Joined: An #6 One Way Check Valve Roll Over Air Vent Kit With #6 Weld On Bung For Fuel Tank. Mark Miller March 21st 2021, 12:02 am . Mild camshaft. immediately discontinue use of the vehicle and repair the leak(s)! (81) $182.00. Not designed for use on aircraft of any type. The four port regulator (P/N 12-707) uses a special type of o-ring AN fitting, therefore AN Includes P/N 12-803 fuel pressure regulator. Apr 24, 2014. pump running but not moving fuel. Any idea's what's wrong? B. BACKN 68 . Figure 2 WIRING THE FUEL PUMP WITH A RELAY: NOTE: You will need Holley Fuel pump relay kit P/N 12-753 or equivalent 4-wire relay. These are the carburetors I use and rebuild for customers,,so I have a lot of info on them,,,,I have never ran into this issue without having to replace the whole main body,,,NOW,,,that's not to say there isn't a fix for this,,all it means is that I have never tried fixing it.It was always simpler. Engine blows out black exhaust smoke. The following items are included: In-Line Fuel Pump P/N 12-920; Billet Regulator P/N 12-846 Adjustable from 40-70psi with manifold reference; <p>Pre and Post Filters</p>P/N 562 . carb does not leak 6psi fuel pressure from an electric pump 4 hole The holley has more cfm`s cubic feet per minute than a regular carb The Holley 4150, 4160 Carburetor Handbook, will teach you the basics of idling, choke, power, accelerator pump, main-meetering, fuel inlet, and more One of the required items to have on hand to fine tune a . Note that the Volumax regulators are supplied with AN style fuel fittings. The rotor and vane are easily lifted . Holley failed to provide any tech assistance. once pump plate is removed you will see the gasket, take a pick and pull it up, you will also see a screen that in most cases sticks to the gasket. I have a Holley Blue Electric Fuel Pump that has been professionally rebuilt with Holley parts with 3-8 hours on it (never ran for more than 30mins at a time). This one is similar to the "blue" pump but it kicks out more fuel. 5. 1 - 14 of 14 Posts. Used Holley Blue fuel pump regulator and brackets $75+ shipping . The "black" pump, P/N 12-815-1, is rated at 140 GPH and is designed to work with either gas or alcohol fuels. Helpful. Take a pick and remove the plate, you will see the vane and rotor. It was in series with the factory, block mounted pump. I removed the fuel pump and both gaskets and the spacer are there so the pump looks fine. Holley Performance Products Technical Service: 1-866-464-6553 Phone: 1-270-781-9741 Buy Holley - 12-815-1 Electric Fuel Pump Black Auto: Electric Fuel Pumps - Amazon.com FREE DELIVERY possible on eligible purchases . All Holley regulators are pre-set at the factory at 2.8 PSI so there is no guesswork when first installing the regulator. Gasket/Check Valve Kit. Make sure that a low restriction filter is between the tank and the pump. I have a Holley Blue Electric Pump installed, and up until a week or so ago it was fine. The included fuel system places a 340LPH fuel pump in the tank, which can easily be . Fuel Pump Rebuild Kit. #1. Each Holley fuel pressure regulator is fully adjustable so regulating the fuel pressure to your engines needs is a simple task. Holleys are not at all water tolerant. Dual tunnel ram intake with Holley 600 CFM carburetors. Diaphragm Kit. But after about 10 seconds, the seal between the tank and pump seems to be leaking, and continued to leak after the pump was turned off. This item: Holley Electric Fuel Pump 6194-2 Blu Auto. If excessive dirt is found, remove the carburetor unit. Because of so, 5 stars. Brush Cap Kit. Jump to Latest Follow Submissions now being taken for JULY CUMMINS OF THE MONTH! Only show this user. Seal Kit. Compatible with alcohol or methanol fuels. The rust then wipes out the seal and they leak or the extra friction burns up the motor. Messages: 519 Likes Received: 128. Improved design for street/strip applications. It looks older than 10 years, so time for a new pump. Holley Electric Fuel Pump 6145-2 Red Auto. If using a Holley relay, connect the black wire of the relay harness to a good clean ground using 12 gauge wire. the pump, neither the output nor the return line were wet. 4.3 out of 5 stars. (3) Check float needle and seat for proper seal. That probably means there is fuel up into the motor. I would get yourself a set of gaskets and give it a quick once over. Look for leaking needle and seat in carb and excessive fuel pressure. about five minutes later, same thing happens. 3/8" NPT inlet and outlet ports. Holley Black Fuel Pump. Some people on this forum have had good luck with the holley pumps some have not.Mine started leaking after a couple of months. Free shipping. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Headers, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley . The previous Holley "black" fuel pump finally gave out after 14 years. $233.93. 4.0 out of 5 stars Somewhat Mixed. up-to the front, with a fuel 10 micron Russell filter before the carbs. Once you have removed the gasket and screen you will remove the pump bottom circular plate. Check Valve. #1. Any ideas ? Attach the in-line fuse holder to the remaining red wire of the relay harness. To complete the installation, connect the ground (black lead) to the battery. Feb 18, 2013. i was in the same boat as you and elected to spend ~$125 for the Holley Blue instead of the ~$390 for the Raptor. The fuel line I'm using is Earl's rubber line. 340dartley Well-Known Member. Holley Black pump leaking. Read more. About 15 minutes into the trip the engine dies. 2. This leak continued even after car was off. These pumps all feature a simple, yet rugged, rotor . Re: fix for edelbrock 1406 throttle shaft leak? 2002 6 speed, Edge Drag Comp, DAP 100s, Phatshaft 62/65-14, ARP 425's, Valair Kevlar . Stop the engine and see if the fuel level rises after shutoff. Mar 27, 2014. Dec 4, 2011. Original body mounted on 1973 C10 chassis. Holley blue pump and reg. Custom build completed by Frank's Speed Shop in Euless, Texas. Report abuse. Reduce the jetting size (use caution to be sure not to go lean) or increase the power valve to a higher factor to prevent it from opening too soon. 4. Has externally accessible pressure relief valve (max 14 psi) Rotor/vane pump design is more tolerant of contaminated fuels. Connect one of the red wires to the positive wire (red wire) of the fuel pump. The typical locations are the bowl or metering block gasket. Holley blue pump leak. Could be the small "O" rings on the valve or . Lower housing casting designed for enhanced fuel flow. This combines the Sniper EFI Self Learning Throttle Body, with an easy to install In-Tank Retrofit Returnless Module, 20 ft of Earl's Vapor Guard Fuel Hose, and the required fittings. Holley Red/Blue/Black fuel pump leaking is just a bad O-ring around the motor shaft, but I believe the last time I looked into a rebuild kit, it was literally more expensive than a new red pump. Any water through them and the vanes rust and then no pump. 65GTclone said: well it did have fuel pressure for the last ten or more years but now is blatantly leaking and all i was doing was testing the recurved distributor so i guess with the new fuel in it it must of ruined the diaphragm like you said. Coasted to the shoulder, let it sit for about five minutes, cranked it up and proceeded on my merry way. Mine is just not squirting at all and has a small leak/weep Compare Holley Blue Fuel Pump Electric With Pressure Regulator - 110 GPH, 14 PSI, HO12-802 SPO3827085 Find many great new & used options and get the best deals for Genuine Holley 50cc Accelerator Pump Diaphragm Holley Demon QUICKFUEL at the best online prices at eBay!. Veteran Member. 4.4 out of 5 stars. I had the Holley mounted just forward of the fuel tank, tapped into the fuel supply line. The Holley 12-804 fuel pressure regulator features 3/8" NPT in/out ports. Nice cool, sunny morning. Flows 110 GPH (free flow) Flows 88 GPH at 9 psi. The car was just sitting and I started smell fuel and I went out to the garage and found fuel poring out of the hole. Burned up a pump with probably 10hrs on it while averaging relatively low rpm's (3500 or less). If it does, you have valve problems. Connect the Green/Black wire to a switched 12V source. New. The fuel "appears" to be coming out of that hole when the pump is running. A FUEL LEAK CAN CAUSE A FIRE AND/OR EXPLOSION RESULTING IN PROPERTY DAMAGE, SERIOUS INJURY, AND/OR DEATH. Blown/leaking power valve. 226. 3. Jul 20, 2014 #1 . Jump to Latest Follow 1 - 2 of 2 Posts. 6. Thread starter cadreamn67; Start date Jul 20, 2014; C. cadreamn67 Platinum Forum Member. (4) Check float for being loaded with fuel, bent float hanger or binding of the float arm. And the other minor detail was a bit of fuel leaking from between the motor and the pump of the HP pump after initial test. Provides constant fuel flow with no pulsation. I have a sump installed in the tank, a 1/2 in fuel line to the regulator, with a cartridge filter, and the pump being installed back by the sump. This is one of the more common fuel pump problems found in classic cars that are between 30 and 60 years old. Weighs only 3 lbs. fuel pumps, Holley recommends using either Holley P/N 162-514 or 162-515 VoluMAX filters. 162-574 Black Aluminum Mounting Bracket . Mallory has them available It had to be coming from somewhere else. Camel hump heads. Anyway, the drawing shows a gasket between where the black bottom part meets the chrome top part, right where mine is leaking. Connect the fuel pump (red lead) to a 12-volt ignition source. 42 offers from $141.24. If the needle is defective, replace with a Holley matched set. where the fuel lines are also kept away from heat and moving parts. Introducing Sniper EFI Master Kits, with a Returnless Retrofit Fuel Module. From each side of the regulator to the carb[1050 dominator] is a 3/8 fuel line . Aug 29, 2016 #7. Product Type. Flows 140 GPH (free flow) Flows 120 GPH at 9 psi. Blue Holley pump located below tank level, running a inline (clear) 3/8 filter before pump with 3/8 line. When the internal diaphragm leaks, fuel escapes through the weep hole to notify the vehicle owner of a malfunction. Roller rockers. Thanks. AmazonCommercial Heavy Duty Diesel Fuel Box Transfer Pump Kit Portable 10GPM/40LPM Electric Self-Priming DC 12V Includes Alligator Clamps, Aluminum Manual Nozzle, Delivery & Suction Hose w/Filter. The fuel pump, Holley blue, has quit. Distinctive "Blue" logo. A 40-micron element it sufficient to protect the pump from contamination such as dirt, rust, fuel cell foam, etc. . Under the mounting bracket (wraps around the motor) for the fuel pump, is a small approximately 1/8" hole. Holley Performance 12-802-1 Electric Fuel Pump. Disassemble and clean. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. just after the tank & before the fuel pump, mounted lower. It is a H4-4160 . Accelerator-Pump Carbs - Many late model pwcs are coming, from the factory, with accelerator-pump carbs 4) Accelerator pump defective or blown out Previous Post: Mota Performance A40201 Carburetor Adapter Kit for Adapting Large Bore Holley and Carter AFB Carbs to Small Bore 1-7/16 Manifolds Next Post: Carb Kit - Carburetors Carb Repair Rebuild Kit 017 Ms180 Ms170 Chainsaw Replace . My fuel system is very simple. The typical 4150/4160 Holley carb has many places to leak, which is one of their bad points. Then I rebuilt and installed a holley DP. This carburetor was made by Holley , The Holley Brothers Company was started in 1905 in Detroit Michigan then became the Holley Carburetor Co . 28. I changed the fuel filter (inline before the pump) and turned on the car to make sure the filter was not leaking. Holley secondary leak. Wynnewood, Pa USA. It is also unrepairable. Check the float level when idling and adjust as needed. Oct 28, 1999. Connect the black wire of the fuel pump to a good clean chassis ground using a ring terminal 12. Fuel Pump Component. Kuddos for that too! 7. Auction Lot S257, Dallas, TX 2022. Wrong/bad gaskets. Palm Harbor, FL. would effect both bowls. In-line Fuel Pump (12-920), Billet Regulator, Metal Filters, Earl's Super Stock hose, Barbed hose ends; Holley EFI fuel kits provide everything needed for a complete supply fuel system for the Terminator EFI. It was mounted on it's side under the car. 2. The main drive shaft from the motor loses its seal. The new HP pump is almost too quiet compared to the older pump. This carburetor has a part number of 50419 and used on OMC 307 351 . THE USE OF A . All three of them had this same issue. The fuel mixture is too rich. Had this happen with 3 different carbs. Connect the fuel lines from the pump to the regulator and from the regulator to the carburetor. Distinctive "Black" logo. The leak is definitely coming from the accelerator pump gasket, the bottom of the fuel bow/metering block gasket or the bottom of the metering block/main body gasket or the little hole the factory drilled and sealed or a crack in the bottom of the metering block. maximum pressure is 14 psi. Lifetime Gold Member. 2022. I give up trying to find a seal kit for it and bought a new pump . May 20, 2007. Nov 26, 2007. Pump gave no warning and died while cruising. Now it appears to be leaking fuel from the 2 small holes at the bottom of the cylinder part of the pump, as show in the pic. In this line, add an in-line fuse holder and a 7.5 amp fuse. Again, a five minute break to cool down and I'm on my way again. drawing thru an OE style Mancini Racing 3/8" sending unit, ( just a streetbeast) all drawing thru an Aeromotive canister style 40 micron (IIRC) fuel filter. 68 HEMI GTS said: . I was able to tighten the three hex screws and eliminate the . I was messing with my 4160 Holley or 80457-2 due to fuel leaking into the secondary and down the secondary diapham arm. Most mechanical fuel pumps have a weep hole on the bottom of the unit. Turn the fuel pump ON without starting the engine by turning the ignition key to the "ON" position, allow the pump to run for . The pump is mounted on a flat section of a . 480. +. It seems leaking fuel out of the tiny weep holes on either side of the lower housing is a frequent problem with these pumps. They work ok as long as they work. Don't worry. Had it installed less than a year.Pump hesitates before working.90 day warranty sucks for a pump that costs this much.Pump is insulated with thick rubber and his louder than exhaust.Bought the Holley regulator ,Prefilter and after pump filter hooked up to new steel 3/8 gas lines and new gas tank on my 55 Chevy. Even when floats level was right and visually not coming from the boosters. Are electric fuel pumps designed to leak from the go? My question is, will a holley-black fuel pump provide enough fuel for my new 555ci chev? +. Fuel pressure, etc. I don't know about the blue pump but I have a black pump it did the same thing I never did find a seal kit for it. 41 offers from $133.57. The first one was a new vacuum secondary holley. 153. the tank and preferably behind or next to the fuel tank. 7. You have too high rear float or leaky fuel valve. Holley HP125 Fuel Pump Leaking. Another common place for a fuel leak to develop . $249.52. Plug the fuel pump relay harness into the relay, until it locks into place. The pump was replaced by the PO about 4000k miles ago. (5) Adjust float to specifications. Holley Electric Fuel Pump 6194-2 Blu Auto. Installed a Holley in tank pump and Sniper EFI system. Erin Underwood.

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