(O. Holley says that a 350 at 6000 rpms at 100% VE needs about 625 cfm. Aug 25, 2021 · I had to replace the carburetor on my lawn tractor. Semi Universal. Too many times people make decisions today that they regret tomorrow. The small screws used on most choke plates are almost impossible to remove with any kind of socket, or wrench. Place the carburetor in position over the four stud bolts on the flange gasket. 10. The factory setting should give you a 1500 – 1600 RPM fast idle speed. The linkages on the engine couldn't fit into the plastic retainers on top of the new carb, so I took out Fuel System: Carburetors - Holley Tri-Power Components & Related - 3X2 FLAP/PLATE - choke: 13. Install a suitable manual choke cable, such as Holley P/N 45-228 with the choke-mounting bracket, P/N 45-229. 6). Apr 8, 2014 · an overview of how to set a holley carb choke and an explanation of how chokes work and why they are necessary. RV cam, headers, dual plane intake, the car idles dead smooth when warm. cap clockwise, if the choke comes off too late. screw spring 52 Choke plate 115 Idle adj. If not, something wrong with accelerator pump assembly passage etc etc. For a street car I'm not sure what the advantage would be, but it won't hurt anything to pull the choke plate and shaft out if it's not operational anyway. (fig. The pull-off keeps the engine from going too rich or too lean just after firing, and for the first 1/2 to 1 minute. Figure 5. 14. 3. Video. /lbs. 2. The choke plate should move freely. Microswitch and Solenoid Mounting Brackets. That way you can pull the choke blade out and remove the linkage so the shaft slides out the side. These steps show how to install and adjust both types of chokes o Apr 7, 2020 · Apr 7, 2020. 067 inch and its idle holes are . Install the hold-down nuts and tighten progressively in a criss-cross pattern to 60 in. Air Scoops. author. If it doesn't, remove the choke assembly and check that the vacuum passage between the choke housing and the carb main body isn't plugged or covered by a Open the throttle, then release allowing the throttle shaft to snap shut. Choke plate screws should be restaked after tightening to prevent loosening. After making the final adjustments, start the engine and make sure the choke plate opens completely. The choke won’t open no matter where I set it. May 30, 2018 · Advance the throttle to wide – open, exposing the fast idle set screw below the choke housing. Box 10360, Bowling Green, KY. When I see used carbs for sale without choke plates, I wonder what else did they butchered and I pass it right by. For a year now I've been fighting a choke issue with the holley. Fuel Bowl 48 Plug - Fuel Level 75 Seal - Choke Rod Subscribe now to make sure you don't miss any of our new products!https://www. C. #1 · Feb 2, 2007. So that would would put you in at a little under 600 cfm. Check to be sure it is still positioned correctly. HydraMat. For more information contact Holley Tech Service, P. 95 : B5036: 68-69: ALL METERING PLATE REMOVAL TOOL - clutch head Oct 22, 2007 · I have a Holley 570 Street Avenger carb with an electric choke. to 6 p. From their roots as the premier carburetor on many factory muscle cars to powering thousands of vehicles across the finish line, the Double Pumper is a great choice whether you are burning up the Mar 19, 2013 · 6. Install the new choke cap gasket onto the housing. Problem with the 870/502 carbs is that they gurgle when the motor starts. 03-23-2014, 06:05 PM. INSTRUCTION SHEET OFF VEHICLE CARBURETOR SERVICE HOLLEY MODEL-4180C GF10410 DISASSEMBLY USE THE EXPLODED VIEW AS A GUIDE. Check to make sure the choke fully opens with the choke attached. They're manufactured from aluminum and include mounting hardware for an easy installation. Earls Classic Hose and Hose Ends. Make sure the choke butterfly Jul 31, 2013 · prevent damage to the throttle plate and injector electrical connection. Remove the levers etc on each end of the shaft, then there should be two screws holding each plate, remove them, slip plate out, slide shaft out the one way or the other. It will be off center because of the bolt for the air cleaner lid. ) electric choke source. Holley RetroBright. Just curious, we have a 600DP holley and was wondering if removing the choke plate helps air flow or anything. Place the new carburetor flange gasket, provided with the carburetor, in the proper position on the intake manifold. I have to push down on the cam to get it to idle at it’s normal rate. Install your new carburetor with an electric choke and block-off the OEM model with one of these Holley choke block-off Dec 2, 2009 · Installing an electric or manual choke can make engine start ups easier on your muscle car. Remove the two TPS attaching screws and retainer. Fuel Pumps and Regulators. Cover intake manifold carburetor flange with a clean rag or towel to prevent any foreign objects from falling into the engine. 0 out of 5 by 1 . Fuel Pumps Regulators and Filters. The easy way: Using something like a dremmel tool, grind the head of the screw off. For nearest dealer: 1-800-HOLLEY-1. Install the main jets in the metering block; use a dedicated jet driver instead of a conventional screwdriver. Then rotate it back slowly until the choke plate just comes closed. May 6, 2013 · REMOVAL: After removing the air cleaner, identify and label the vacuum lines leading to your original carburetor, distributor, PCV, choke fresh air, and manifold vacuum. Lightly tap the plates in the bore. The choke plate should open about 1/4” (. 8. Install new vacuum secondary housing. I adjusted the fast idle screw, and it lowered it some, but it does not allow the butterfly to open. and rotate the choke cap counterclockwise one notch at a time, until the choke operation is satisfactory. 4. Project1. Disconnect electric choke wires if equipped (identify if necessary). Quantity. WARNING! Apr 15, 2021 · Also, the Holley choke assembly should include a choke pull-off (choke unloader) piston inside the housing that will instantly pop the choke plate open slightly as soon as the engine starts. See Jan 8, 2021 · Holley 5200 & 5210 Rebuild. If throttle plates are nicked or damaged, it The List number for a Model 2010, 2300, 4010, 4011, 4150, 4160, 4165, or 4175 carburetor can be found on the right side of choke air horn. B. On one side you have the purists that want everything period correct and on the oth Dec 15, 2013 · The vice grips will hold the choke plate open enough to clear the front vent. Double Pumper carburetors are an American icon when it comes to performance carburetors. The engine should run smoothly after the engine has warmed up "some" (i. Vendor Part Number. Choosing between mechanical- or vacuum-operated secondaries on a Holley four-barrel carburetor really comes down to not only understanding the engine’s performance requirements but also what the driver wants to feel through the bottom of the seat. Remove carburetor from intake manifold. Check the voltage source with a volt-ohm meter to assure proper voltage and choke operation. Wash off in suitable solvent. #4 · Dec 26, 2001. choke plate opens completely. Remove the original carburetor and old flange gasket. 74 Rod - Choke 21 Screw (4) - Sec. It's provides two benefit's: 1) it increases clearance between the bottom of the air cleaner / air box assembly and the entry surface of the carb, and 2) makes air flow into the primary more uniform to air flow into the unobstructed secondary barrels 89 Choke Housing Gasket 90 Choke Control Lever Retainer 91 Choke Control lever and/or Shaft Assembly 92 Fast idle Cam 93 Choke Rod 94 Choke Rod Seal 95 Fast idle Cam Plate Screw & Lockwasher 96 Choke Control Lever Nut 97 Choke Control Lever Lockwasher 98 Choke Wire Bracket 99 Choke Lever & Swivel Assembly 100 Fast Idle Cam Plate Aug 25, 2007 · holley choke issues (390 cfm) on 2. Follow the procedure given in the Service Manual for the disassembly of the main body assembly with the following variations. I noticed that it woud be easy to remove so I thought if it Feb 3, 2011 · 50 Back up plate & stud assy 113 Idle limiter cap 176 Fast idle cam lever adj. Some people can break a cannon ball, in a sandbox, with their bare hands. 0250”). Catch Tanks. I'm trying to install a Holley 600 but can not get the car to idle. Insert the choke butterfly shaft through the choke tower (Fig. This will expose the fast idle set screw behind the choke housing. Remove the three (3) screws securing the manual choke. A new vacuum passage gasket has been cemented in place. Part Number: HLY-301-20. Jan 22, 2014 · plate. Also in Plumbing AN Fittings and Hose. May 29, 2006 · Consider that the choke plate may act as an "air straighener" for the primary throttles. When the car finally starts, it runs wide open almost. Holley started using cheaper round throttle shafts. A full explanation of the components and operation of the Holley electronic choke and how to properl Jan 31, 2000 · Remove the shop towel from the intake manifold and install a flange gasket on the manifold. Gauges. Feb 4, 2015 · Soak parts long enough to soften and remove all foreign material. It looks like there is a bar through the plate that holds it on the carb. A. Adapters. Carburetor Installation and Tuning. 47. $15. 35 Choke Control Wire Bracket Clamp 36 Wire Bracket Clamp Screw Nut 37 Choke Lever Assembly Swivel Screw 38 Choke lever & Swivel Assembly 39 Fast Idle Cam Plate 40 Fast Idle Cam and Shaft Assembly 41 Fast idle Cam Plunger 42 Fast Idle Cam Plunger Spring 43 Choke Operating Lever Spring Washer 44 Choke Operating lever Washer Categories/ Plumbing AN Fittings and Hose. Proper assembly may be verified by turning the choke cap in both directions. Figure 5 6. Holley. The “9” in the center identifies this plate as PN 134-9; its main metering holes are . Adjust the choke coil so the choke OPENS at a rate suitable for your engine. (a) Omit Step 5. Simple. In the bottom right corner you will see a hole that lines up with the hole on the bowl Dec 2, 2009 · How to adjust the electric choke on a Holley carburetor. The stock pump should be removed and replaced with a block-off plate. #2 · Jul 26, 2016. If the choke comes off too soon, loosen the three screws and rotate the choke cap counterclockwise one notch at a time, until the choke operation is satisfactory. i want to take everything off. Be sure to note how it “pulls” to close the choke plate or whether it “pushes” to close the choke plate. Using a ¼ inch open-ended wrench, turn the screw clockwise to increase the rpm or counter clockwise to decrease the rpm Feb 6, 2015 · The obvious change is the removal of the choke housing and the contoured venturi inlet. Diaphragm Check 47 Float & Spring Assy - Pri. the choke butterfly and electric pot on the side. It's installed on my 1978 360 in my '68 Barracuda, and it's a very mild engine. Insert the small end of the choke rod (Fig. Disconnect all linkage and return springs. Use an adjustable fuel pressure regulator (Holley® P/N 12-803) if it is higher than 7 psi. The upgraded carbs use billet aluminum base plates and metering blocks with multiple tuning options. I have watched all the videos and read some threads but didn't find an Sep 24, 2018 · Pull-off or break: The pull-off is manifold vacuum-operated and is designed to open the choke plate slightly after the engine starts, to decrease the signal at the booster. (c) Complete the disassembly of the main body May 17, 2021 · Understanding Holley Vacuum Secondary Carburetors. Notice that the part numbers stamped on the plates face toward the center of the throttle body. 2571 posts · Joined 2007. Adjust, as necessary. Sep 14, 2001 · If it's a Holley (?!) the choke blade slides thru a slot in the shaft and is held in place by the lips on the choke plate. needle 177 Fast idle cam lever adj. The pull-off determines this. Shaft Diameter . Figure 1. diaph. You can knife edge the butterflies for a few more cfm. Carburetor Tools including Jet removal, Thread repair, and E-85 testing. Aug 7, 2008 · Next was slabbing the throttle shaft and installing button head bolts. Hose Lines and Tubing. When building a race Holley I always remove the choke and mill the choke horn. With the engine off, turn the throttle to its side wide open position and hold it there. Rated 5 out of 5 by RTs Rod Shop from Fit perfect!!!I bought this and was hoping that the fit would be good, It fits perfect! 38. I live in Flordia and just want remove the whole thing. Install the electric choke cap and Route a section of 3/8” hose from the boat fuel tank and fuel filter to the barbed fitting on the inlet of the PRO-JECTION electric fuel pump. NOS Jets. Tip: Take plenty of digital pictures along the way in case you have a question about something later. that's about 300 MPH. Fuel System Kits. Holley Choke Block-Off Plates. All Hose Groups. youtube. Electrical and Wiring. CST. 8 that had been modified before I bought it with an edelbrock torquer 2 intake and 390 cfm holly carb with vacume secondaries model 4160 . Cold Air Intake. At that point, you can go ahead and snug Jan 24, 2014 · CHOKE PLATE SCREW - Choke plate screws are staked to prevent loosening. . NOTE: The recommended fuel pressure is 5-7 psi. See More Specifications | Check the Fit. Should you need information or parts assistance, please contact our Technical Service Department at 1-866-464-6553, Monday through Friday, 8 a. Installing an electric or manual choke can make engine start ups easier on your muscle car. Holley list numbers 4412, 1850, 3310, 80457 3 days ago · Holley choke block-off plates are designed to seal off the factory choke position on the intake manifold of small block Chevy engines. Failure to do so may result in a runaway engine or a wide-open throttle condition, which could result in engine damage, personal injury, or death. Mar 25, 2019 · 4. Remove two (2) front attaching bolts and two (2) rear attaching nuts. Secure with clamps at each end of the hose. . I recently purchased a Holley 80457 for a 327. I will test this theory later today when I field test my car with and without a Feb 19, 2002 · Take out the screws that go through the shaft and plate, pull the plate out of the shaft,pull shaft out of choke horn. Share. 45-458 is rated 5. Make sure the TPS pick-up lever is located ABOVE the tang on the throttle actuator lever. But, the choke needs to open a bit immediately as soon as the motor starts. This will allow the engine to start. Slightly crack the throttle open, unload the fast idle cam, and turn the choke cap clockwise until you see the choke plate open. Take the plate and place it into the throttle bore with the letter R facing down and towards the rear of the carburetor. Application Specific Parts. Connect the choke control cable (Holley® P/N 45-228) to the choke actuation lever, and lock in place with the choke cable lock screw. It pulls the choke plate open against spring tension. Provision of a good ground and 12 volt+ source that can supply enough current to the choke cap is essential for proper choke operation! 15. Only 7 left in stock - order soon. Jul 16, 2017 · Step 3: Install Main Jets. Choke Block-Off Plate, Rectangular, 2 Bolts, Most Chevy Small Block Intake Manifolds, Kit. needle seal 178 Fast idle cam lever 53 Choke rod retainer 116 Spark hole plug 179 Sec. Plate Frames and Accessories. Oct 20, 2005 · Included with each Street Avenger carburetor is a step-by-step installation guide, a Lifetime warranty on parts, and a one (1) year labor warranty with factory direct service. Connect the choke control cable (Holley P/N 45-228) to the choke actuation lever, and lock in place with the choke cable lock screw. When installing the choke cap, be sure the pick-up lever (in the housing) fits into the loop on the bi-metal spring. With the throttle plate screw holes aligned with the shaft, install the screws. Install the hold down nuts and snug down progressively in a “crisscross” pattern (60-80 in. Holley carburetor chokes shaft assembly for most later models Holley Performance 2 and 4bbl carburetors. Jan 17, 2021 · There's been a raging debate on this topic for as long as I can remember. Feb 3, 2011 · 50 Back up plate & stud assy 113 Idle limiter cap 176 Fast idle cam lever adj. THROTTLE BODY - DO NOT remove throttle shafts or plates. Holley EFI. Figure 5 Description. so i take it i can just yank all of it off. INSTALLATION: 1. A Holley jet driver safely captures the jet and eliminates accidental slippage or burring of the jet’s drive slot. The reason I ask is becuase our car is only driven in warm weather so the choke has been in the locked open position anyways. On two barrel carburetors, the numbers will face towards the rear. Choke Components, Choke Plate, Replacement, Steel, Black, for Model 4010, 4011, 4150, 4160, Each. Holley Choke Plates 45-458. Aug 18, 2020 · G. Actuate the choke cable through its full range of motion to ensure full choke operation. you may want to file the 'braded' portion of the screw before tyring to unscrew the screws. Diaphragm 45 Baffle - Primary Fuel 72 Plate - Choke 19 Diaphragm - Secondary 46 Retainer - Primary Float 73 Shaft - Choke Plate 20 Ball - Sec. 1) Air Horn Remove fuel inlet filter plug and filter assembly (fig. The choke plate should open when rotated clockwise, and it should close when rotated counter Jan 23, 2008 · Generally speaking, removing the choke air horn on a four barrel is an excellent thing to do. Of course this must be done when the carb is completely apart. O. Add 1 drop of Loctite 290 to each screw thread. , don't screw with the choke coil because the engine runs bad when first started !) and be fully open at a reasonable temperature. Fuel Tanks and Fuel Cells. 8L. See Illustration 7. However, when I give it some throttle, it shuts the throttle plate and the engine revs high. Adjust as necessary. Rotate the choke cap clockwise, if the choke comes off too late. Jul 16, 2017 · All Holley secondary metering plates are stamped with a one- or two-digit identification number in the center area. 1. With the throttle valve in the normal closed-idle position, install the TPS on the throttle body assembly. Remove the screw holding the fast idle levers. Lift free the linkage bracket (if so equipped), located at the right Dec 2, 2009 · 12/02/2009. Jun 27, 2011 · You can either mill the choke horn and radius the sharp edges or use the stub stack w/ no choke blade. CHOKE PLATE SCREW - Choke plate screws are staked to prevent loosening. ), as shown in Figure 5. Removing Secondary Jets. The tightening specification for main jets is 30 to 40 in-lbs. 10. Finally got around to removing the choke horns on a pair of 600 Street Brawlers I modified to 4150s, amoung other things, to use on my street crossram project. Retain the fastener clip for use at a later time. The List number for the 4500 can be found on the top of the main body casting. Plug the fume tube in the throttle body. Vapor Guard. screw 51 Choke plate screw 114 Idle adj. With the choke fully closed, open the throttle completely. Choke PullOff Solenoid Remove the retaining clip, two screws and remove the solenoid from the bracket. Speed-Seal and Speed-Flex. To retain the original flat hood the 68/pre-ZL2 69 hood air cleaner is being used and the horns sat only 1/4" from air cleaner lid. E. (b) After Step 9 has been completed, using 3/8" open-end wrenches, remove and discard the secondary jets and gaskets. Dec 13, 2012 · 18 Spring - Sec. May 19, 2021 · by c1500sbc » Wed May 19, 2021 6:51 pm. If the choke plate does not open in the specified amount, carefully bend the lever installed on the throttle shaft in Aug 29, 2018 · Loosen them up just enough to allow you to rotate the choke cap but not enough to allow it to freewheel. 317" For use with choke plate number 45-458 Dec 14, 2011 · 4. , 42101-7360, Telephone 270-781-9741. 11. The underlying beauty of a four-barrel Mar 29, 2018 · 03-29-2018, 03:43 PM. Biggest catch is that on a lot of Holley cards, the screws holding the plates on have the Mar 4, 2024 · Holley Choke Horn Removal. Jul 26, 2016 · Sort by Oldest first. lever assy screw 10. Use a carburetor solvent, lacquer thinner, or denatured alcohol. This deal is the main reason the 3310 was downrated fron 780CFM to 750. com/subscription_center?add_user=HolleyPerformanceHOLLEY ON SOCIAL:Face Dec 26, 2001 · 2157 posts · Joined 2000. Another source of aiflow is the throttle shafts and butterfly edges. lever assy screw Jan 23, 2014 · NOTE: The photo in Figure 8 shows the bottom and side views of the throttle body and throttle plates. If the choke plate does not move freely, check the choke linkage to make sure there is no binding. Tighten all three screws to secure new vacuum secondary Direct Port Systems. Check that the fast idle screw is in alignment with the red cam on the back of the choke housing. ), as shown in Figure 4. These steps show how to install and adjust both types of chokes on just about any type of vehicle. Hooker. Disasembly. When the motor is cold, the choke should slam-shut when you touch the throttle. Intercooler Sprayers. 10 min read. Detach the choke rod from the original carburetor. 031 inch. Insert the nylon main body block off plate into the cut out slot in the side of the main body. 5. Place the carburetor on top of the flange gasket on the manifold. Consider the fact that on large engines, the venturi velocities are in the neighborhood of 400 feet per second (FPS) (depending on the size of the carb). Be careful not to over tighten the nuts. Clean the manifold surface thoroughly. Figure 3. CONGRATULATIONS on your purchase of Holley carburetor! We feel that you have purchased the finest performance carburetor manufactured today. K. Production numbers, which can be ignored, are stamped at the center bottom. The above picture is a Holley metering block. After having it disconnected for two years due to a hokey wiring Choke Plate Shaft(4150 and 4160). Yes, you can remove everything, including the choke plate and shaft. Electric choke conversion kits are available: 45-223 for the 0-7448; 45-224 for the 0-4412 with the 45-465 Dechoke Linkage. Let's see, your engine is probably somewhere between 80-90% volumetric efficieny. Blow out all passages in castings with compressed air and check carefully to insure thorough cleaning of obscure areas. From the moment I start the truck in the morning to the time the choke is Jan 3, 2009 · 4. THE NUMERICAL SEQUENCE MAY GENERALLY BE FOLLOWED TO DISASSEMBLE UNIT FAR ENOUGH TO PERMIT CLEANING AND INSPECTION. I once again have to manually push the cam to get it to slow idle. Remove the throttle shafts and file the shaft down to about 1/32 thick on both sides. Any advice on how to remove the choke plate. Find many great new & used options and get the best deals for Holley 45-458 Choke Plate at the best online prices at eBay! Free shipping for many products! Mar 23, 2014 · Holley 600 Electric Choke. I've got an 84 s-10 with a 2. Make certain the throttle body is free of all hard carbon deposits. To avoid breaking or stripping the threads in the choke shaft, lightly file off the staking. Figure 7 Figure 8 8. This allows air into the engine, if the engine should flood. Carburetor Components. Air Cleaners. So in the morning the fast idle came does not engage and the choke is wide open. Start the engine and check the fuel lines and inlet fitting for possible leaks. Distribution Blocks, Filters, Adapters and Fittings. Remove the fastener clip from the choke rod and the manual choke backing plate. Shipping Weight. Here is the best way to remove these: Generally there will be a small piece of screw sticking out the bottom of the choke plate. The choke is all messed up and will close while driving and the engine will die. Nov 7, 2013 · The most common issue for Holley chokes is the pull-off, and is usually not adjusted or is mis-adjusted for your engine. Remove the fast idle levers and spring. H. Dec 20, 2016 · The choke on the carb is completely out of site with the air cleaner on and if it is properly opened, it has no ill effect on the engine performance. Mount the outer sleeve to the cable clamp. m. Check this by turning the choke cap in both directions. 2) Remove choke, it will be necessary to remove the choke housing and assembly to access all the screws securing the vacuum secondary housing. I am having trouble with a new Holley 770 street avenger. Feb 2, 2007 · 9295 posts · Joined 2002. Remove the 4 hold down nuts and washers (if used). Hi everyone, I'm having some trouble with the electric choke on my Holley 650 vacuum secondary, electric choke. Sep 16, 2005 · Quote: Originally Posted by Redshark6974. Sold individually. Insert the end of a phillips screwdriver into the notch at the bottom of the choke plate, with the shaft of the screwdriver pivoting on the back edge of the air horn. Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles. 5) through the bottom of the nylon main body block off plate towards the top. It should rest at roughly a 15° angle in the closed position. 45-458. After that, the choke coil primarily controls the choke action. Jumpstart Your Next Project! Find Holley Choke Plates and get Free Shipping on Orders Over $109 at Summit Racing! Holley choke plates will fit your originally equipped electric choke carburetor. The Ultra XP line of carburetors is intended for high-output street and race engines. Rotate the choke. May 9, 2013 · Turn the engine off and let it cool until the choke is fully closed. Feb 27, 2009 · Dont use it to control how much/little the flap closes. e. #1. The choke will get stuck open and not close when the truck sits overnight. Using a 1/4” open end wrench, turn the screw clockwise to increase the RPM or counterclockwise to decrease the RPM (as shown in the following picture). This will help center the plates in the bore. You can drive a very small screwdriver tip ( or something similiar ) down into the slot and force it open. If throttle plates are nicked or damaged, it Oct 31, 2021 · Milling off the choke housing or tower on a 750 Holley carburetor Jun 27, 2011 · If a 670 is too big for this engine, I'm selling it and buying a Honda, lol. NOTE: THE CHOKE PLATE RETAINING SCREWS ARE STAKED AT THE THREADED END AND THIS STAKING MUST BE Jan 24, 2014 · REMOVAL OF OLD CARBURETOR: WARNING! Prior to and after installing your new carburetor, manually operate the throttle lever and choke mechanism, checking for any sticking or binding. Tom Terrific or Terrible Tom, depending on the phase of the moon, passing cosmic rays or other factors not fully understood except by my wife. Some Rochester carburetors had a primary and secondary pull-off that allowed more control over the opening function Place the new carburetor flange gasket, provided with the carburetor, in the proper position on the intake manifold. Holley carburetor Jun 11, 2012 · FFR Challenge car #4182SP Carbed 302, Holley 600CFM, E303 cam, T5, 3 link rear-3:55, Levy wheels, Kumho tires, Fire Safe fuel cell, Griffin race radiator, ISIS wiring system, MSD 6ALN NASCAR ignition, 85 Mustang distributor, May 1, 2002 · If the choke comes off too soon, loosen the three screws. Lightly tap the leading edge of the plates with a small nut driver or a socket set extension to help lightly seat the plates further into the throttle bore. Installation and Adjustment Instructions. After making the final adjustments, start the engine and make sure the. 6. Hidden Holley universal style electric choke pull off adjustment not mentioned in any literature that I could find, and no videos made about this critical ad Jun 24, 2015 · Blow through passage, manually put some fuel in the diaphragm area to make sure it has fuel and pump it to see if fuel squirts out this hole. Disconnect the vacuum lines, throttle linkage, choke tube, and fuel line. Hardline. Takes about 5 minutes to pull everything out. The choke plate should open when rotated clockwise, and it should close when rotated counter-clockwise. 7. kendallt. IMPORTANT: When installing the choke cap, be sure the bi-metal pick-up lever (in the housing) fits into the loop on the bi-metal spring. Install the choke cap gasket back onto the housing. I have noticed that this is caused by a small piece of red plastic behind the adjustable Categories/ Plumbing AN Fittings and Hose. This may not be a 12V source. wr og sj gk ql oa zz ed ex ye