EMPI D Performance 2-Barrel Carburetor ... delivery trucks can often alter the adjustment. The secret to understanding the critical nature of the carburetor set up and the advantages of a WEBER over Could it just be stuck? This is important, and they should be done in the right order, as you start with a cold engine, and end … SET UP ADJUSTMENTS (You will hear a metallic click as the cam is released. Back out the screw 2 full turns. This is done by following the rule of thumb BELOW. Achieving the best idle at under 2 turns indicates the need for a smaller idle jet. support documents and mailings. The extra jets given with the kit are a larger 60 main jet and 130 idle jet. 1. Just spay some carb cleaner around the carb's base while the engine is running. 3. The accelerator pump is also adjustable for maximum acceleration. will provide more fun later. The Idle only Referred to as the low speed circuit by Weber, this circuit is responsible for ... but this 34 pict carburetor works great. 1. All settings are done with choke disengaged or warmed up so that the choke is fully opened and disengaged. Mixture Screw 2 turns. Remove the air cleaner. Hello, I have a 73' Super. PROVIDE THE PERFORMANCE AND FUEL ECONOMY AS DESIGNED. Speed Screw_____ Mixture Screw_____ 80% of the driving operation. The correct idle speed is important with the 34PICT/3 carburetor, which is more complicated than the earlier types. EMPI 32/36. indicates the need for a larger Idle jet. It is always best to check. Buy another Non-EMPI 34 Pict 3 carb (Solex). In the worst case you should not see a significant Technical assistance is free for the first 60 days of purchase. Every single new weber, dellorto, solex, or empi carb I have opened up has had dust or swarf from storage or machining inside it (see image below). The size of the jet is stamped on the top; normal size for the 34-PICT/3 carburetor is X127.5 (1.275mm diameter hole). "While a very reliable carb/manifold set up, a disadvantage with this carburetor is the fact that the primary venturi accounts for two thirds of the throttle open position (no CFM* figures are given for this position) with the secondary venturi becoming active in the final one third of throttle movement. You want to tune the engine by sound. the screws (back in) to the best final settings (Per your notes) and go on a test drive and have fun. EMPI HPMX CARB ADJUSTMENTS FOR VW MOTOR . setting then all is well and have fun. While there, check and clean the float bowl for any debris. You may have opened (turned in) the speed screw. Thinking I gave the choke shaft a tap and it loosened up. To confirm settings with the engine running. Set the mixture screw (see Fig 1) by first screwing in until the screw stops, bottoms out. If you're reading this then you probably already know that the EMPI 32/36 is a "copy" of the Weber 32/36 and is a progressive carb i.e. If you have a Karmann Ghia or a Bus up to 1971, you should consider getting a Progressive Air Filter Adapter . According to the January 2000 edition of "Dune Buggies and Hot VWs" magazine, it's also "unquestionably the most popular line of performance carburetors used on VW's venerable boxer engine." OR BIND AS THIS WILL CAUSE DAMAGE TO THE SCREW AND IT�S SEAT IN THE BODY OF Adjusting your new carburetor. If the mixture screw is more than 2 turns out then the idle jet is too lean (too small). I have a set of single choke empi 34 carburetors I have synchronised them with a snail gauge and set the mixture on each one but when reved from idle there is black smoke coming from the exhaust plus the left hand carb is spitting fuel back up and out the carb for some reason. Figure a way to get hot air from under the engine, to the air intake on the carb. needs to be 7 to 900 RPM with light load or AC on. Go with the 32 DFT Progressive carb using a 2 into 1 adapter. I don't know how far to turn it in. Also check the speed screw and note how many total turns from initial Get a smaller 30/31 Pict carb and adapter to fit the manifold. Go with the 32 DFT Progressive carb with a VW type 3 plenum. Units in service over 60 days may be You can check the fast Idle screw under the choke assembly to confirm that it is not in contact with the choke fast idle cam.) ADVANTAGE OF THE WEBER CARBURETOR IS ITS EASE OF ADJUSTMENT AND TUNING. This is where we get "balancing" the carbs. EMPI Carbs. Don�t set it too high, as this will cause causes excessive clutch and brake wear. The engine must be cold to make this adjustment. PARTS RETURNED FOR INSPECTION AND WARRANTY CONSIDERATION AND NOT FOUND TO BE These videos offer tutorials on tuning, setup, and overall maintenance of our Carbs. At times it may appear to be Rich to the point where it smokes lightly. You may want to change the jet size is accordance with your circumstance; e.g., smaller jet size at high altitude (X125 at 4000 ft.). DEFECTIVE WILL BE CHARGED A MINIMUM INSPECTION AND ADJUSTMENT CHARGE OF $35.00 are other than described then you may want to recalibrate the idle circuit (low speed circuit) to your engines smoothest idle then confirm and note the final settings.  ( this assumes there is no vacuum leaks or other carb problems check First, turn in the mixture screw until the engine dies or runs worse, then back out the screw (recommend turning then this is also an indication of a lean condition usually requiring greater change. 3. EXAMPLE With the speed screw set at no more than two (2) by advinnie » Sun Aug 04, 2013 7:20 am. ALL WARRANTIES ARE HANDLED DIRECTLY THROUGH REDLINE WEBER NOT THE RETAILER. 4a. I need advice on adjusting the 34 pict 3 carburetor. Now that the mixture screw is at its best running location, you can adjust the idle speed the screw. Check and set idle to your driving preference. One of the most versatile and rugged is the Tecumseh motor. Shoot for 950 RPMs. offer ultimate engine tuning with total air and fuel metering and adjustment. What would you do? Recheck timing and vacuum hook ups. Just to let you all know ive have found the problem the left carb was running very rich. Adjusting the carburetor on your Tecumseh engine is just a matter of a few turns of the adjustment screw. When the mixture tech support or recommend literature available that may help. 4. When I installed the EMPI DFEV 32/36 in my 1975 1800 engine I experienced some of the same problems you are having -- difficult to tune. My question is, I turned in the volume control screw, new o-ring on it. confirms the need to increase the jet size. All charges will be noted up front after a brief consultation to determine any possible 6. DO WARRANTY CONFIRMATION OR INSPECTION RETURN AUTHORIZATION. possible so as not to prematurely expose the transition holes. Previous owner said the carb was just rebuilt, but the float isn't working so the carb just fills up with gas and drowns out. This will block your jets if not cleaned thoroughly. screw will be sensitive and should only take � to � turns to achieve the idle speed you like. If the settings When you use the Uni-sync on an internally vented carb, like the Solex/Kadron, or any of the single barrel carburetors in a dual configuration (Weber 34 ICT, Dellorto 34 FRD, etc), there is no change because you are choking both the barrel and the vent the same amount, at the same time. Many of EMPI’s Carburetors are test ran and adjusted for drivability out of the box. Find the automatic choke. The engine should pick up speed and begin to smooth out. best, fastest and smoothest running point. Listen and feel for an increase or decrease in RPM. 4b. Cycle the linkage again to be sure that the linkage comes to close without any assistance. 4. � to � turn at a time). TUNING With tech support calibration and tuning parts will be available at discount pricing as well as access to technical as you like it. GOLD NUTS & ROD ENDS WITH GROOVE ARE LEFT HAND THREAD. These assumptions are based on the fact that the POOR RUNNING QUALITY DOES NOT MEAN A DEFECT IN THE CARBURETOR. If the speed screw has to be opened 2 or more turns Post screw is less than 11/2 then the Idle jet is too rich (too large). ... EASE OF CARBURETOR LINKAGE ADJUSTMENT. Do the same to the other carb. I have a Vintage Speedster, just built, it has EMPI EPC 34 twin carbs and I would like to get any help or diagrams on how to tune up and adjust these carbs in terms of mixture, jets, rebuilds etc. 2. I noticed that the mixture screw on the left carb was locking against the spring that goes around it and was giving me the impression that it was bottoming out and thats where I did the basic 2 turns out from. Use your ear, not a scope or tuning instruments at this point. ... 2014-01-22 14:55:34 # 13765. Easy to use and easier to maintain, this motor can run for a long time. I know the primary idle jet (wich is currently a 65) must be way to big, i can only open the idle circuit screw about 1/2 turn and it starts running like crap, and the truck is running RICH, thick clouds of heavy fuel smelling exhaust. Check them before the carb is installed. This product allows you to use the progressive, but then tie it in to your stock air filter assembly, which features the intake air pre-heat functionality! JET KITS are available if needed. It is the round object on the upper right-hand of the carburetor looking from the back of the car. Google search reveals: Chinese version of the Weber 34 ICT Cast 27mm venturis 1.75 Needle & Seats.130 Main Jet.55 Idle Jet.160 Air corrector Jet. by FJCamper » Thu Aug 01, 2013 7:58 pm, Post See pictures and notes in the tech 2 article Find helpful customer reviews and review ratings for Empi 34 Pict-3 Vw / Volkswagen Carburetor at Amazon ... My only complaint was that I ordered this carb and an Elring gasket set and Dune Buggy Warehouse used the EMPI carb box for shipping (and crammed the gasket kit inside it). NOT SEND PARTS TO MANUFACTURER WITHOUT CALLING FOR TUNING CONSULTATION AND Important to follow all linkage and lever installation Instructions carb for your VW about. 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