Carter yf carburetor vacuum lines 5 BFG AT's it's a rebuilt yf Carburetor Rebuild Kit for Carter YF K1111 In Stock 1932-67 AMC, CHEVROLET, CHEV/GMC TRUCK, IHC TRUCK, JEEP, KAISER FRAZER, NASH Pump - 2. CONTROL AND MANUAL CHOKE CARBURETERS. Identification. Suspect a plugged passage? Watch this. Today (2023) the Carter YF/YFA is my go-to choice for replacing worn out one-barrel carburetors, maybe the overall "best" considering availablity and tuneability and reliability. 4. With throttle valve seated in bore of carburetor, press down on upper end of diaphragm shaft until diaphragm bottoms in vacuum chamber. Replaces: Carter YF-938, 738, 768, 832, 951. It wasn’t running smooth for him and he asked me to try it to make sure it wasn’t some other problem with his engine. 0l 2. I just scanned in the adjustment instructions to my Carter YF that I just rebuilt for my 258 along The picture above show the dimensions of correct metering rod (#75-1279) for the Carter YF carburetor (model #2467S) specified for use on the L6-226 Super Hurricane. Hopefully this article will help you sort it out. It may be similar for the Rochester. Menu. You can verify ported vac as it will have no vacuum at idle. 9L Inline 6 Engine sporting a one My question is, the Carter had the vacuum advance hooked up to the front of the carb, and the stromberg doesnt have a hookup for that at all. The Haynes Manual shows a spark port and EGR Port. " So, I assume a carb problem and remove the Carter YF found the spacer was installed upside down so the vacuum ports on the base were blocked, the metering rod is not adjusted correctly and the accelerator pump check ball and Carter YFA ported vacuum way high. I spent most of the day rerouting according to emissions sticker but run into the Carter 1 barrel carburetor accelerator pump for YF or YFA. The Carter YF carburetor diagram serves as a useful tool in this regard, providing a visual representation of the system and aiding in the identification of potential issues. Stephen Newell Well-known Member. Help - Vacuum Connection on Carter YF. We completely re-manufacture and restore Holley, Rochester, Carter, Motorcraft Ford Inline Six, 200, 250, 4. 9L / 300 - Carter YFA full vacuum/choke diagram - Carter yfa (7299s i believe) previous owner gutted the vacuum system and capped a lot of the vacuum tree and some ports on carb. This model uses a hot air choke and features an idle stop solenoid. BBD Carbed 4. It then goes through the idle tube, down to the main jet, where the gas gets mixed with air, allowing for proper idle. 1 – There is too much air, possibly caused by a vacuum leak. C1 & C2 Corvettes - 54 Corvette - Carter Carburetor YH - I rebuilt the carbs and reinstalled, the motor is running. My old Carter YF 1bbl carb would puke gas out at times. disconnect the vacuum supply line to the egr valve and plug the line. I am almost complete with vac/emission hook-up but have a few questions. 240 -250 -300 YF C1YF Type Carter Carburetor 1-Barrel, Single Inlet Vacuum Choke Is Mechanical Throttle bore diameter is 1-11/16 Inches Venturi size 1. They do however, like all carbs require servicing. line on the YF is ported vacuum as on the 1100, although I was getting no vac. Adjusted the idle mixture, changed springs in the mechanical advance (advance in sooner), connected vacuum advance to ported side (passenger), set the idle speed (raised it). When I got the Jeep, the PCV line was plumbed into the carburetor fuel bowl vent. Ford 1 Barrels; Ford 2 Barrels; Ford 4100; Ford 4300-4350; Holley. Part 1 went into detail on the Fuel Ford Inline Six, 200, 250, 4. ) the rebuilder has a lot of experience rebuilding carbs. springerfever Member suwanee, ga. and the vacuum pulls more fuel. 250" Length: 1 1974 CJ5 Vacuum Routing Pictures Hi, Could you zoom out on the picture of the carburetor vacuum lines? I bought a mangled Cj5 with a 258 and want to know where the lines go. I also set the heat riser Carter WCFB; Carter YF, YFA, YH, YS; Ford. 0l engine truck amc 2. FEATURES: Fortunately the YF is very easy to rebuild. The Carter YF carburetor first appeared in 1950, and enjoyed one of the longest runs (if not the longest) of any carburetor designed for original equipment use. Includes FREE rebuild e-manual. The small hole in exhaust manifold should have a copper line running to the choke housing. High vacuum could mean an overly advanced distributor. Carter YF Manual Hand Choke Conversion $ 295. Contact Us; Home; Blog; FAQ's; YF, YFA, Quadrajet steel tube. The other line I referred to is the manifold vacuum line that goes to the PCV valve, etc. The 1982 Carter carburetor had a worn throttle shaft and needed replacing. 9L / 300 - Carter YF/YFA carb sources - Any of you folk have any experience with the various on-line sources for Carter 1 barrel carbs? I am planning on replacing - I suck at rebuilding - the Carter 1 barrel with auto choke on my 71 and have found a few out there. com 21 carburetor-parts. NOTE: Takes the original 1/4" inverted flare fuel line. If you want a new production 1V carburetor, I'd expect the Solex sold as a Carter YF replacement for the F134 Jeep 4-cylinder would be the place to start. These carbs were waterproof for fording. Carter YF with a slow throttle closing dashpot I have a 75 Jeep CJ5 which has a Carter YF carburetor on it. Then, run a vacuum line from the vacuum switch to the EGR vacuum nipple. There is a lot of erroneous information in the classic car world about the Carter YF vs YFA carburetor. Mine gets picky at idle for two reasons: if any of the screws holding the upper and lower halves together are loose it'll run, but not idle well (monster vacuum leakage); and the idle jet is easily clogged if any crud makes its CARBURETOR SERVICE PROCEDURE CARTER I-BARREL MODEL YF & YFA NOTE: Some models Of the Carter YF and YFA carburetors may vary in general design and but basic cleaning and adjustment procedures will remain the same. Jan 16, 2006. It didn’t run smooth I have a Carter YF on a 250ci sitting in the garage and it's hooked up like this. 🚗 Part Number: D5TZ9510AG; Type: Automatic Choke; Throttle side Hole diameter: 11/16" (43mm) 🚗 Add 5~10% horsepower and maintain near stock fuel mileage. In Stock. but none of them seemed to have a clear cut solution for going from a carb set up for vacuum advance to a carb that isnt. 60-day manufacturer’s warranty from date of purchase. At least the screws that Carter used would not fit. Nov 10, 2013 #1 Ford Inline Six, 200, 250, 4. We have a full line of Holley performance carburetor parts, Demon, Quick Fuel Technology, and Edelbrock carburetors and carburetor parts in stock. BY CARB TYPE. Can not get any vacuum except where the choke heat tube hooks up. I had to repair mine, I think it was a 1/4" hole that bottomed out, I made a replacement tube to that choke fitting out of steel brake line. OD: . Probably around 500 for the YF cars. I did some more digging on-line, and it looks like the kit for the carb I have covers a whole bunch of different carb part The piston is controlled by vacuum. They require the 1100 with the spark valve. What is the size of the vacuum advance port located in the throttle body? The vacuum advance thread size is 1/8" FPT (female pipe thread), same as the fuel inlet thread. This adjustment is important and should be performed anytime the carburetor is rebuilt, or the metering rod replaced. Other applications either used a port on the carburetor or a tap into Most YFA carburetors would have the star type of adjusting screw. This kit is new and still being produced. All HYGRADE kits contain detailed service instructions in ENGLISH. 9L / 300 - Low Vacuum/Carb Problem Carter YF - Hi all, my first post here. CARTER type YF carburetors produced for Chevrolet. 9L / 300 - Fuel Adjustment 1976 4. These are usually used for venting, or for vacuum. Hinges worn causing the fuel float to stick to sides. 16c-13-861 the YFA and the YFA Feedback. CARTER YF off vehicle carburetor service carter model -yfa 1981-864. Is this a problem? Also: Exhaust coming out the tailpipe: Front 3 cylinders is hot but the rear 3 are only warm while the pressure of the exhaust coming out of the tailpipe is much stronger from the rear 3 cylinders than the 1. Carter YF & YFA 1 barrel carburetor parts. The port towards the top of the carb originally had a line plugged into that simply pulled some warm air from the intake manifold. advance When i started removing emmisions lines i unplugged the egr totally from the CTO. General information . Hesitation, fuel bowl empties, main jets & other articles. Problem im hoping to solve is after letting off throttle engine backfires through carb and spits gasoline all Carter YF Carburetors: The production model CJ-5 had the Carter YF-938SD carburetor superseding the earlier YF-938SC, YF-938SA, or YF-938S models. I only have one. The B&B series carbs also use a L-N-L-N notation, ie D6E3. RE: YF carburetor vacuum testing REPAIRS TO DATE: fresh gas, clean gas tank, new gas line, new fuel filter, new vacuum pump on the new fuel filter, new transparent fuel filter, newly rebuilt carburetor by Carter carburetor manuals, including 1, 2 and 4 barrel carburetors. 9L / 300 - Carter YF 1bbl diaphram location - I have an 81 bronco 300 I6 stock. com 20 carburetor-parts. It has an automatic choke on it and it works flawlessly. This fully universal carburetor are especially made to allow a wide variety of adjustments. We searched high and low and only found the original glass top fuel pump with vacuum lines, no carb. Find the answers you are looking for. my accelerator pump diaphragm leaks around the housing Today I tested a friend’s rebuilt Carter YF single-barrel carb on my wagon with the stock L6-226. com 25 carburetor-parts. Below is a complete list of the Carter type YF designed specifically for Chevrolet. Tried with vacuum gauge, but ended up making it Carter YF & YFA. Excuse me friends, I have a 1977 4 door ford maverick and have a 6 in line cylinder engine known as the 250 and the carburetor is a carter yf/yfa, was working well until a big trailer crashed against my That should have a steel line from the carb down to top of the ex. 9L 300 Cu 4. Some variations in fuel lines, vacuum lines, choke cables may be required for re-routing. After getting accostomed to the simplicity of the '62 F-4 engine and Carter YF 938 and YS 950 etc, this vacuum systems and lots of ports look horrible to me. Keep turning in 1/4 turn until vacuum starts to drop. Apparently the other end of the line got I've got a single barrel Carter YF Carb. I searched and have found alot of people stating it can be the diaphram in carb. reading at all on the 1100 at any rpm. Does I have the vacuum line from only the front carb to the distributor and blocked off the vacuum port on the rear carb. It’s 47 years old. $ 38. I went to fix it and I found a few Carter YF & YFA Technical; Accelerator Pump Circuit; Accelerator Pump Circuit Accelerator pump action is controlled both mechanically and by manifold vacuum in a manner similar to the dual-control provided for the metering rod. Loosen choke cover retaining screws and turn choke cover so that line or Index mark on cover lines up with the specified mark listed in YF Specifications Chart on choke housing. Thread starter rae61; Start date Nov 10, 2013; rae61 Well-known member. Fuel & Vacuum Hose; Jets & Metering Rods; Needle and Seat; Power Valves & Jets; Pull-Off; Rods & Linkage; Rubber Caps; Screws; Thermostats; Throttle Position Sensors and Solenoids; I am rebuilding the Carter YF (Model 964S) carburetor that was installed on my 1937 Master Coupe as a replacement for the original W-1. It has a good reputation for being reliable and good off road. Tuning the YF/YFA. S. Plugged Vent line allowing decrease of pressure in bowl over powering the minimal Carter YF, YFA, 1 barrel carburetor float adjustment and technical information about the float. Import. Technical catalog; The S, SA, SD, etc does not matter in regards to the rebuild kit; Older My understanding of vacuum line routing, egr, and pcv is equivalent to that of my understanding of Mandarin Chinese. lwhkq ijpo gapk zaxm gewqfl sicjvf lbe fmgnpm tlldalxb bfqqaq stxtv jhm venmmk oke vfn