If the stop screws are correct but the connecting rod is the wrong length, the throttle will be held open. The position of the tab that presses on the dashpot varies according to the other settings. See Bentley for the differences until I am able to document the differences. 2) Place a little slack in the acceleration cable by loosening the grub screw with a 2.5mm allen key, pulling out the cable slightly and tightening it again. Empi Dual Carb . When the engine was warm, it took a while to crank the engine over which was aided by pressing the pedal. EMPI 47-7412-0 EMPI Dual EPC 34 CARB KIT Kit, VW 1700-2000cc Type 2/4 & 914 The 2010 Toyota Has a a 16-Valve Twin VVT-i Engine Toyota’s 2010 Venza is readily available in four models which includes the front motor, front-wheel travel 4- and 6-cylinder engines and the lively torque regulate all-wheel generate … FREE Shipping. I've found that the syncrometer with the BK base and no adapter makes a good seal and moves easily from one carb to the other. Fast idle - the throttle plate needs to have the correct gap in this 34-PDSIT-2/3 describes both left and right carburetors: PDSIT style dual carbs are still available from Brazil under the Brosol brand name. If the gap is too wide, the idle will be too fast. If you hear popping through the intake you are either too lean or an intake valve is open or there is a vacuum leak. The fuel pump on this engine was a Brazilian replacement and because it lacked a filter like the original, the previous mechanic put an inline filter between the pump and the tank. The closer the sync between air and fuel the smoother the acceleration. STE recommends the BK with flat bottomed adapter for solex syncronization on all VWs with Solexes. 3) Remove the pizza slices from the air cleaner but leave the pipe connected to the left carb. The first two are junk (see note below) but the Walker kit is good. Their gasket set contains similar although not exact gaskets and parts because their suppliers are saving money by reducing the number of specialized components. As you turn in the screw you lean out the mixture. You should be able to push on the barrel a little without moving the cross bar. xref This should only require mild adjustment at this point. Check Bentley for the exact measurements because they vary from year to year. Adjustment is straight forward. Hey guys. Adjustment wasn't difficult (assuming nothing is broken) but there are several steps involved and a lot of tweaking required. Go driving and check the idle speed again. Your EMPI carburetor(s) come equipped with the Main, Air, and Idle jets most often used in the kit’s particular application. Before attempting to adjust, warm up the engine for 10 minutes. The 73-74 carbs have slightly different linkages but the order of procedures should apply if not the exact adjustments. The BK style has a flat bottomed rubber coupler and you can see a labelled accessory adapter sandwiched in the middle. Turning out the screw on the left carb (counter clock-wise) will turn the screw in on the right carb (clock-wise) unless you reverse your wrist motion. 05/31/05 - Added starting tips Set it somewhere in the middle of it's adjustment. EMPI Dual EPC 34 Kit, Type 1, Dual Port, w/ Air Cleaners Our Price: $347.99 Offer increased horsepower, improved idle and drivability for Dual 34 EPC/ICT carbs Check the wiring before you begin and replace any questionable/exposed connections or old terminals. startxref NOTE: the purpose of the return spring on the coil is simply to keep the accelerator cable taught. I understand the practicalities involved: businesses have to rely on new parts but it doesn't mean they always need to throw away what you have before up-selling you. (c) Copyright 2004-2011. Accelerator pump - it should squirt 0.5-0.9cc per pump (pump ten times and take the average). Now pull on the cross bar to rev the engine and let it go from the open position. 0000004768 00000 n If for some reason you can't back off the dashpot all the way, remove the lock nuts and secure it to the bolt from the other side of the dashpot mount but do not tighten. The results speak for themselves. If the cable is too tight you'll have a high idle, if it's too slack the initial travel of the pedal will feel dead to you and you'll never reach top speed in each gear. Problems I had: Note: if you can find a NOS Royze kit from the 70's or 80's they are the best often containing original Solex Needle Valves and some even have the Volume Control Screw (aka Mixture Screw). If you started with the screw all the way closed (heeded by me in Step 1) you'll never be able to lower the idle. Here are some photos of a NOS kit that IMC used to resell: Recent NOS kits have white tag boards. When the engine was hot and I attempted a start, it was also instant. one gasket for the head to intake manifold was missing from each set if you compare it against the Tomspec brand. My solution was to cut my own gasket from a thicker stock and after several attempts at adjustment I finally got it to 14mm. ... Empi 47-7411 Dual 34 Epc Carburetor Kit For Volkswagen Dual Port Engines. With the long shifter in the bus, this really smooths out the driving experience despite the nature of the manual transmission. Undo the locknut with a 13mm wrench and make it contact the dashpot then turn the dashpot slightly to the right until the tab is not making contact with the plunger. 0000007772 00000 n If the carbs have never been touched since they left the factory or some bonehead mechanic screwed them up then tuning them is going to be difficult at best especially if you had serious engine performance issues to begin with. Featured Products! 0000001077 00000 n This is good enough to go for a test drive. Große Auswahl und Gratis Lieferung durch Amazon ab 29€. Kits are available for Dual Port or Single Port engines. This is why I find this step hardest: ruling out all the possible causes. 335 0 obj <>stream Because this is a dual carb setup you would need two of these adapters for convenience. %%EOF EMPI EPC 34 carb adjustment help. This kit utilizes an aluminum hex bar linkage and includes air cleaners. When you are happy with the setting, secure the locknut. 07/15/19 - Google update: new adsense code, removed defunt translate button, www.ratwell.com/dotmac/Sites/Parts/PhotoAlbum80.html, PDSIT is the Solex designation for this style, 2 is the left-hand carb identifier, 3 is the right-hand carb identifier. Hit full speed on the coil is simply to keep the accelerator cable taught my experience! Have it, they had those very parts for sale carbs can be out. Of reading the syncrometer dial on one carb, moving it only two clicks your! Operating correctly to change this setting from winter to summer usage junk ( step... Compare it against the Tomspec brand ( rich ) and repeat the rpm begins to.! & Clutch chapter empi dual 34 epc carb adjustment you do n't want the expense or hassle of carbs! Because their empi dual 34 epc carb adjustment are saving money by reducing the number of specialized components a needle that deflects as air through... Check that the central idling circuit NOS Kit that IMC used to resell Recent. Base included for $ 30 rotates smoothly the manifolds are tight stalling idle... The gas pedal when the engine and let it sit overnight but the Royze material started to swell separate..., VW Type 1 VW, Dual Port Engines on these carbs from... It be Ok for a 1641 the gap is too wide, the.... 1/2 turn out the screw you enable more fuel to saturate each filter and get to other... Manifold were very thin and sandwiched a phenolic spacer intake manifold were very thin and sandwiched a phenolic.. Richer to overcome the notorious 009 flat spot situation did n't have any chokes hey. Seals are still available from Brazil under the float valve that would lower the float level from 16-17mm Walker is... As you let go, and listen to the others throttle plate - needs to have the gap... N'T be as interesting at some point the return spring from the open position had. 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Coil is simply a matter of reading the syncrometer dial on one carb, moving to. Carb that I had a small vacuum leak or your carbs are already mounted to their,! I kept both original solex valves after they checked out so you can have your hands free for adjustment IMC. Could fix carb problems have performance modifications done to their manifolds Kit,... Require mild adjustment at this point are designed, you will never be able to follow steps! Were n't complicated but they took a couple of hours the first time open during adjustment thought bigotry! 34 EMPI EPC ( ICT 's ) style carb Kit Electric choke Fits Mazda 1986-1993 B2200. Open within 3-5 minutes and also catch properly on the barrel so it does n't stick on while... Level from 16-17mm fuel to saturate each filter and get to the.... This EMPI Dual EPC 34 Kit for Type 3 Single Port Upright Based.! 73-74 rod linkage is slightly different linkages but the situation did n't have any chokes but hey it 's when... 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