Ok so I have a 1641cc engine with an 009 and a weber progressive. The cut-off seems to be designed to limit NOx emission at the expense of producing more CO and HC emissions by running the engine hot. 0000004768 00000 n I made sure I drove after each adjustment to witness the effect. The adjustments required are: Float level - it should be 12-14mm from the top of the lower body. If these bolts are not secure, air will bypass the throttle and you will never be able to adjust the central idling circuit. 0000001356 00000 n Would the stock jetting be ok to use? 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). I'm pretty sure this is a Chinese copy of the German tool and probably good enough. Dune Buggy & Beetle DUAL 34 EPC CARBURETOR KIT, By EMPI 47-7411-0 With FREE SHIPPING. 1 1/2 turn out from closed is a good starting point if the carbs are already mounted to their manifolds. 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 … Use some green Loctite to secure them. I don't know what mine have. These carbs worked for 50k miles...why not another 50k? 0000012330 00000 n 0000043894 00000 n If the rpms drop then the circuit is having an effect. You'll find it easier to inject a runny grease rather than try to complete disassemble the shaft. Not only that but mileage will be terrible: I saw 10 mpg before I took the carbs apart for rebuild. 0000000016 00000 n Good thing VW had newer models for sale! In the photo you can see the top half of the carb and the BK style synchometer. It says the stock jetting is good for a 1500-1600cc engine but would it be ok for a 1641? Having properly synced carbs is important if you expect smooth acceleration without hesitation. These devices are there to prevent a run condition on after the engine has been shutoff. 0000006817 00000 n You can now remove the slack from the cable. You have no items in your shopping cart. FREE Shipping. As complicated as these carbs are with all their gadgetry, you still have to exert manual control over the starting mechanism (there is no choke lever to pull on the dash as it's built into the accelerator linkage): If you cannot start the engine normally you should check the rest of the engine before blaming the carbs. ... Empi 47-7411 Dual 34 Epc Carburetor Kit For Volkswagen Dual Port Engines. Check Bentley for the exact measurements because they vary from year to year. If you cannot start the engine, it usually means you've got a non-carb problem (timing/fuel/etc). 0000010655 00000 n Listen to the rpms drop and watch your tachometer and verify that the rpms drop back to the idle rpm instantly. Hamilton, OH 45015. 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. You will discover this later when you perform the idle rpm adjustment in the last step. This is your starting point. I also know that some people say to use 1 main jet richer to overcome the notorious 009 flat spot. 0000006020 00000 n I am having trouble tuning my EMPI 32/36 carb that I got from NismoDR. See Bentley. anyone using these? 0000011478 00000 n Do not try to set the choke for summer or winter use yet. Although not strictly a carb issue, check the vacuum advance cutoff. $299.99. See Bentley for the 73-74 procedure. A little slack is desirable but too much means you won't hit full speed on the highway. 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. You can check that the central idling circuit is working by disconnecting the lead from the cutoff solenoid. Sure enough this turned out to be a head/valve problem and had nothing to do with the carbs. The carbs can be way out of sync and still start the engine. The synchrometer is a pass thru style and can sync at any rpm. Home-CARBURETION-DUAL CARBURETOR KITS-Dual 34 Epc Carburetor Kit, Type 1 VW, Dual Port. 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. I ended up cutting my own gasket for insurance against leaks. The carburetor kit includes 2, EPC 34 carburetors with hexbar linkage, air cleaner assemblies with gauze filters, aluminum intake manifolds, a coil relocation bracket, fuel line and a brass fuel "T", mounting hardware and instructions. Here are some photos of a NOS kit that IMC used to resell: Recent NOS kits have white tag boards. ACCOUNT CONTACT MY CART. Let me correct myself on the carbs I have. 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. I am planning on getting dual EMPI EPC 34mm carbs. If you remove the spring first, you will find adjustment much easier. 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. Empi Carburetor Tuning . 298 0 obj <> endobj At some point the return to idle will be a smooth transition. If you tighten them later it will upset the entire adjustment and you will have to start over. Turn out each screw by half a turn until the idle lowers. 3.6 out of 5 stars 6. A switch on the transmission closes in 4th gear and the solenoid which is placed inline with the vacuum advance line from the vacuum can to the left carb opens. Out of sync carbs will feel like retarded timing while driving and it's a must that they be in sync because fuel is metered to air not the other way around. If one of the wires fall off, it will ground the coil and the engine will stall so be sure the connections are secure. They are easily dinged by the harder aluminum metal of the throttle body and retaining the cone shape is important for smooth fuel delivery. Idle screw - Bentley makes no recommendation so start 2-3 turns out. Wrong. Basically this solenoid disables the vacuum advance on all 72, all 73 and 74 Automatic models only. 0000002150 00000 n If you cannot raise the idle without bottoming out the speed screw, then the stop screws on each carb linkage are keeping the throttle plates open too far. EMPI's EPC 34 Dual Carburetor Kit offers improved performance while still retaining economy for your VW. Every engine needs vacuum advance under partial throttle conditions so disabling it seems like craziness that will overheat and wear out your engine sooner. If they look corroded from sitting out in the weather you may not be able to recover them. 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. Kits are available for Dual Port or Single Port engines. This kit utilizes an aluminum hex bar linkage and includes air cleaners. Saving a few bucks by using the Unisyn will quickly be forgotten with frustration and higher gasoline bills. 0000012708 00000 n See Bentley for photos. This has the effect of starving the carbs of air and stalling the engine. PORT EMPI CARB CARBURETOR KIT 47-7411. 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. The entire rebuild process can be seen here: See the photos from my rebuild ->www.ratwell.com/dotmac/Sites/Parts/PhotoAlbum80.html. high quality empi VW carb kits and stock replacement carburetors in stock. Subtotal: $0.00 Category. ?Dual 34 Empi EPC (ICT's) Style Carb Kit. xref ... EASE OF CARBURETOR LINKAGE ADJUSTMENT. Both said the EMPI kits are improved from the past, but factory settings can be a problem but you would change that anyway before install. It does not close the throttle plates. endstream endobj 299 0 obj <>/Metadata 21 0 R/Pages 20 0 R/StructTreeRoot 23 0 R/Type/Catalog/ViewerPreferences<>>> endobj 300 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageB]/XObject<>>>/Rotate 0/StructParents 1/TrimBox[0.0 0.0 612.0 792.0]/Type/Page>> endobj 301 0 obj <> endobj 302 0 obj <> endobj 303 0 obj <> endobj 304 0 obj <> endobj 305 0 obj <> endobj 306 0 obj <> endobj 307 0 obj <>stream What you need to do is leave both the left and right rods connected for adjustment. startxref As part of the rebuild of a 72 engine I had to make sure the carbs were operating correctly. It's the non-ball bearing style so I kept both original solex valves after they checked out. 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. When you are happy with the setting, secure the locknut. If so, the leakage there could render these carbs untunable. The closer the sync between air and fuel the smoother the acceleration. I do have Empi 34 EPC carbs.As far as the jetting goes I read what jetting they come with out of the box. Hey guys. Adjustment is a circular process if you skip steps or have a broken part. My solution was to cut my own gasket from a thicker stock and after several attempts at adjustment I finally got it to 14mm. 34 EPC's & Weber ICT's are the same kits and are great on all VW engines. Look at each carb while you move the cross bar or raise the idle with the dashpot reinstalled: both linkages should move at the same time. Dual 34 EPC 34 Carburetor Kit, for Vw Bugs, Dune Buggies and Sandrails by Empi: Amazon.com.mx: Automotriz y Motocicletas I have tuned webers in the past with great luck. Although it's more commonly found you cannot use it on these carbs because the cone will not seal due to interference with the choke plate. 09/07/11 - Fixed broken photos, added translate button, updated footer 0000002705 00000 n %%EOF endstream endobj 334 0 obj <>/Filter/FlateDecode/Index[23 275]/Length 31/Size 298/Type/XRef/W[1 1 1]>>stream 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. If the throttle closes very slowly at the very end of it's travel you can blame worn out springs. EMPI Dual EPC 34 Kit for Type 3 Dual Port w/ Air Cleaners. 0000045267 00000 n 01/22/05 - Created This should only require mild adjustment at this point. Maybe they should inspect what you have first. If they do not then you have not adjusted the left connecting rod correctly so go back to Step 2. Attach the rod back onto both ball joints and twist the threaded part of the rod in the direction that lowers the idle. If one reads higher, you turn the spring loaded 10mm nut on the cross bar a little and take another reading on each carb. 298 38 Just a collection of Weber ICT / EMPI EPC Dual Single Barrel Carb videos and reference materials. Slowly turn in the mixture screw until the idle speed drops noticeably, Gradually turn out the screw until the faster speed is achieved. $299.99. The synchrometer is simply the best tool to use short of a dedicated mercury based manometer like a motorcycle mechanic would use to sync all 4 carbs. EMPI HPMX CARBURETOR ONLY. Not only is this awkward to measure but not very useful because the dashpot wears and the carb linkage is complex. 0000008906 00000 n Simply align the marks on the body. The original gaskets between the carb and intake manifold were very thin and sandwiched a phenolic spacer. Air Cleaners; Aluminum Accessories With the sky high price of Webers since the factory in Spain was shut down after a union strike, these carbs have become attractive again. Who knew a new distributor could fix carb problems? Empi Carburetor Parts . Accelerator pump - it should squirt 0.5-0.9cc per pump (pump ten times and take the average). holiday sale: usd $458.99 . ALL EMPI 40/44 HPMX Carbs Are Test Run. B blakewoith 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. 0000003421 00000 n No wonder they want to convert 72-74 buses to webers and Kadrons that have parts available still. The results speak for themselves. Adjustment wasn't difficult (assuming nothing is broken) but there are several steps involved and a lot of tweaking required. 0000008164 00000 n I don't believe this is an issue of skill. GOLD NUTS & ROD ENDS WITH GROOVE ARE LEFT HAND THREAD. 0000004139 00000 n At some point the idle will begin to rise and the reason for this is that the linkage is starting to open the other carb. by Richard Atwell There is a big difference when everything is tuned exactly right when you use dual carbs. c13-47-7421 - dual empi 34mm epc carb kit with extra tall intake manifolds - with twist-pull linkage for dual port type-1 beetle style engines - sold kit msrp: usd $539.99. If you fail to start the engine without the gas pedal it will stumble at a lowish rpm until sufficient fuel arrives (give is some gas by feathering the pedal). The synchrometer has a scale and a needle that deflects as air flows through it. Older ones are light green and really old ones are yellow. 0000043328 00000 n 40 Hpmx Carb Only (Dual App) for Vw Bugs, Dune Buggies and Sandrails Product Description & Features: new empi carburetor 40 hpmx 2-bbl high performance Read more Pirate Mfg Weber 40,44,48 IDF, Empi 40 & 44 Hpmx, Master Carb Rebuild Kit, Pair, for 2 Carbs Apart from being a simple emissions device to deal with overrun, it has the added benefit that it helps keep rpms up while you shift gears. EMPI 47-7401-0 EMPI Dual EPC 34 CARB KIT Kit, VW Type 1 Single Port Volvo S70: The Conventional Volvo Box Style Automobile The Volvo S70 would seem to be the remaining survivor of Volvo’s line up of traditional box kinds. Adjustment is straight forward. I let it sit overnight but the situation didn't improve. The cross bar linkage is quite sensitive so try moving it only two clicks of your ratchet between adjustments. For 72, Bentley recommends disconnecting the right carb connecting rod and adjusting the position before syncing. After pouring in 3 gallons I finally saw some fuel appear in the fuel filters at each carb so be sure you have enough fuel before you go down an unnecessary path of false diagnosis. EMPI carburetors. Vw Dual Empi Carburetor Setup . <<935FBAC2C4EB784BB528D2BBA215C6D5>]/Prev 597682/XRefStm 1356>> If you lack a vacuum advance then the carbs are going to feel sluggish. I am running 34 ICT ( webers ) on my 1600dp they run real smooth and i just checked the sync on them and they where good but idk about the empi version I have used the empi single carb 34 pick on a baja it worked nice with alittle tuning As you turn in the screw you lean out the mixture. This duel carb kit is excellent for 1600-1776cc engines and will improve performance without sacrificing fuel economy. The jets are larger than stock for those who have performance modifications done to their engine, like a performance exhaust. 0000043059 00000 n Syncing is simply a matter of reading the syncrometer dial on one carb, moving it to the other carbs and comparing the reading. The carbs need to be in approximate sync before you continue with the other adjustments. We continue to fill online orders. REDLINE is a division of WORLDPAC the gasket material is not suitable for contact with gasoline. Description: EMPI's EPC 34 Dual Carburetor Kit offers improved performance while still retaining economy for your VW. Pull off the left connecting rod by wedging a screwdriver between the cup and ball and loosen the locknuts with two 8mm wrenches. 0000045596 00000 n During the carb rebuild, Bentley gives a spec for the maximum initial opening of the throttle plate as measured with a feeler gauge. Be careful when you bottom out the screws. Your EMPI carburetor(s) come equipped with the Main, Air, and Idle jets most often used in the kit’s particular application. The older the kits, assuming the rubber seals are still good, the better. Other than that, it's a stock setup. I will probably need to change this setting from winter to summer usage. 0000001538 00000 n When I stopped by a local shop on the off chance they had some used PDSIT carb parts I was looking for, I received the usually reply to my inquiry: "Why do you want to mess with those dual Solexes? Dual 34 Epc Carburetor Kit, Type 1 VW, Dual Port : MSRP Price: $371.44: Our Price: $ 322.99 + Free Shipping ; You Save: 13 % Off MSRP If the idle is high you want to lower the reading of the higher of the two carbs rather than raise the reading of the lower of the two. I would turn out each screw by 1/2 a turn until you get your desired result. Because this is a dual carb setup you would need two of these adapters for convenience. The carbs are not identical: The left carb has extra controls on the top for adjusting the idle circuit and has an unusual casting that is not used for VWs. Now pull on the cross bar to rev the engine and let it go from the open position. The first two are junk (see note below) but the Walker kit is good. 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 Some people use a matched pair of syncrometers to speed up adjustment. Now you can screw back in the dashpot. If not, put more slack into the cable: you don't want the cable keeping the throttle open during adjustment. It's only the NEW ones that are problematic. So far, excellent. If the retard is lazy on your distributor or the throttle return springs are weak, it may seem like the dashpot is responsible for the slow return to idle when it's a combinations of other functions. Dual 34 Epc Carburetor Kit, Type 1 VW, Dual Port, Compatible with Dune Buggy. Volume screws - turn all the way in (carefully, not forcefully) then turn out 2.5 turns to begin. Bentley is a good starting point but I came up with this order of steps from my own experience and some input from others. Before attempting to adjust, warm up the engine for 10 minutes. More to follow but it's not a critical step compared to the others. At this point back off the dashpot by 1 full turn to the right. Unfortunately no one is importing the parts that I know of but at least you can still buy a new set if yours are toast. The only problem I had after tuning was that fuel didn't seem to be getting to the float bowl quickly enough for the initial start. Use a graduated cylinder for measurement ($5 at your local chemistry supply store). This Dual 34 Epc Carburetor Kit Includes: Aluminum Alloy Hex Bar Linkage With Steel Ball Ends And Sealed Aircraft Heim Rod Ends. 2610 Bobmeyer Rd. This kit is a direct copy of the well respected Weber 34 ICT's “baby webers”. Remember that the electric cutoffs like to back out of their bores and the intake/fuel leak that results is nasty. 335 0 obj <>stream 3) Remove the pizza slices from the air cleaner but leave the pipe connected to the left carb. I have carb kits coming so-maybe I can check and see what I have them. This EMPI Dual 34 EPC Carb Kit is designed for use with Type 3's with Dual Port Engines. Once you disconnect one of them, the fuel flow will drop and by watching the amount the rpm drops, the mixture can be adjusted so the drop matches between carbs. Each cutoff has 12v going to it while the bodies are grounded. The carburetor kit includes 2, EPC 34 carburetors with hexbar linkage, air cleaner assemblies with gauze filters, aluminum intake manifolds, a coil relocation bracket, fuel line and a brass fuel "T", mounting hardware and instructions. As you turn out of the screw you enable more fuel to flow past the needle (rich). Bentley instruction are hard to witness sometimes but are the best to go on: That's it for adjustment. I found that a high idle condition was caused by the left connecting rod being too long. 0000003617 00000 n This step, syncing the fuel flow, can only be performed after the air flow has been synced. Off-Road. 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. Tweaking the idle mixture is tricky with an exhaust analyzer...more on this when I revisit the article. Throttle plate - needs to have the correct gap. Do not attempt measurement until you get the float level correct. 0000052633 00000 n When I first tried to start the bus I poured 1 gallon of fuel into the tank. Taking the average as 4% this translates to an AFR of 13:1. 0000009737 00000 n 28 posts 1; 2; If the idle is too low, take the reverse action. Back off the dashpot another turn and repeat the rpm test. EMPI 47-7401-0 EMPI Dual EPC 34 CARB KIT Kit, VW Type 1 Single Port. View on Map **Our showroom remains closed. Choke - should open within 3-5 minutes and also catch properly on the fast idle cam. Undo the Adjustment nut and remove the dashpot from its mounting. The way I adjust it is by ear. I like to use a German made synchrometer from STE. I've noticed that the EMPI catalog carries 43-5712 which is a synchrometer with both styles of base included for $30. Bentley gives a spec of 0.04mm as the distance between the plunger and tab when fully pressed in. ", he replied. The Chinese Unisyns are simply junk. Empi 34 Carb Instructions . Once I tightened things up the carb turned in perfectly. 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. I find this the hardest step. This point just before the idle rises (the lowest idle) is when you should secure the adjustment nuts for balance. ** The carbs are probably 2mm taller now but I didn't have any fitment issues with the mixture distributor. I used Royze and talked with them about improving their kit but it's difficult to see any improvement coming because demand is dwindling and they said they've never had any complaints. Lose the temptation to throw away the dashpot. 0000022898 00000 n Luckily, because of the shape of the opening of the 34-PDSIT carbs the base of the coupler is stable and makes good suction with the carb without having to press down on the synchrometer. If there is popping out of the exhaust then you may also been too lean or there is an exhaust leak present. Go driving and check the idle speed again. I decided to attempt to adjust them to see just hard hard the process was and see how the bus drives. To simplify each adjustment undo the return spring from the coil bracket before testing the cable. Not only are they hard to find, but they are expensive. If you have 1 or more filters it will take longer for the fuel to saturate each filter and get to the carb. When the engine was warm, it took a while to crank the engine over which was aided by pressing the pedal. Because this is a dual carb setup you would need two of these adapters for convenience. Just spay some carb cleaner around the carb's base while the engine is running. The starting position is 2.5 turns out for each screw from the bottom. If I pressed the gas pedal when the engine was cold, the engine started up right away. EMPI's newest addition of their 34 Pict 3 carburetor also comes with extra jets to adjust the fuel mixture entering your air-cooled VW Type 1 engine. 85. If you find the needle deflects past the end of the scale, you can open the bypass port to lower the reading and continue to sync. LUBE: you want to put a little grease in each ball joint and the cross bar needs to be greased as well so it doesn't stick. Carbs Jetted For Smooth Operation. If you think stalling at idle is difficult, try to sync the carbs at 2-3000 rpm with the Unisyn. 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. Empi Vw Carburetor Adjustment This is good enough to go for a test drive. Rimco is such a company that can re-bush these carbs. Featured Products! the replacement float valve sticks. This step is very important because it syncs the throttle position before any further synchronization is done (you will have to re-sync from here because the engine breathing will probably vary from one cylinder back to the other). h�bbd`b``Ń3� ���� � �U� Although it's no where near as good as the snail, the Chinese copies are so poorly made you'll have a hard time reading it at all because you'll find the opening has to be almost completely closed to obtain a reading in the air chamber. Slowly turn in the screw again, until the speed drops by 30-50rpm, the turn out 1/4 turn. We are almost finished and ready to reset the idle speed back to the Bentley value of 800-900rpm in the next few steps. If the gap is too wide, the idle will be too fast. H�\�͎�@��. One neat trick for raising the idle and holding it there while you read the syncrometer is to reinstall the dashpot and turn it out until the desired rpm is reached but remember to turn it all the way back in or remove it after you are done this step. the mixture screw o-rings were the wrong size. 05/31/05 - Added starting tips Why are people so afraid to try and adjust the stock carbs? The 72 and 73-74 rod linkage is slightly different. If you don't you'll have adjustment problems and the sucking noise will annoy you anyway. Dual 34 EPC Empi Carb kit. The adapter lets you mount the synchrometer on top of carb so you can have your hands free for adjustment. Two adapters and a set of matched synchrometers could run you $120 or more. Fast idle - the throttle plate needs to have the correct gap in this It's commonly called the snail because of it's shape. 0000013607 00000 n You will need a set of metric round feeler gauges in the 0.5 - 1.5mm range. Rev the engine and read the intake and exhaust. Now you are ready to sync. It turned out that I had a small vacuum leak between the carb and manifold. These carbs will run the engine from 15:1 to 10:1 but the carbs/exhaust are going to pop if they are too lean and the engine will feel sluggish if it's too rich. This is why I find this step hardest: ruling out all the possible causes. There are wavy washers underneath the nuts but the torque spec doesn't seem to be good enough to fend off the engine vibration. Check the wiring before you begin and replace any questionable/exposed connections or old terminals. Now turn the dashpot to the left until the rpm begins to rise. I thought the bigotry started with FI but it seems certain carbs can't escape the big bore beetle conformist mentality either. Bentley says to set the idle speed from 500 to 700 rpm before continuing. Kits come complete as seen with Manifolds, Carbs., Linkage, Air Filters, Fuel Line and … Removing both carbs isn't a five minute job but ensuring they are working correctly on the bench is the only way to ensure they will keep their adjustment so you achieve the best results. Their gasket set contains similar although not exact gaskets and parts because their suppliers are saving money by reducing the number of specialized components. With the long shifter in the bus, this really smooths out the driving experience despite the nature of the manual transmission. 0 This wasn't enough to flow down to the pump. When finished, reattach the spring. 0000045981 00000 n You need to perform this step with the cross bar disconnected so it doesn't influence the setting. I believe my distributor is the 009. Here are some photos of a 72 engine I had to make sure the carbs for! Leakage there could render these carbs having to deal with crapola replacement parts quality gasket seems to on. Too short to you 500 to 700 rpm before continuing EMPI Dual EPC 34 Kit Volkswagen... Other carbs and comparing the reading 'd carbs parts because their suppliers are saving money by the... An AFR of 13:1 is no change in rpms after adjustment both original solex valves after they out. The expense or hassle of aftermarket carbs and I attempted a start, it 's the non-ball style! In fact I recommend that you use blue Loctite you may pull a head later. Bottomed adapter for solex syncronization on all 72, all 73 and 74 Automatic models.. Starving the carbs I set the mixture screw until the idle rises ( the lowest idle ) is you... Get to the engine and read the intake and exhaust their suppliers are saving money reducing. Pretty sure this is a division of WORLDPAC 34 EPC 's & ICT. Part restoration would n't be as interesting EMPI 34 EPC carbs.As far as the jetting goes I read what they! Engine with an 009 and a lot of tweaking required 72-74 buses to webers and ''! Dual Carburetor Kit offers improved performance while still retaining economy for your VW adapter you! Popping out of their bores and the carb turned in perfectly pull a head later! You may pull a head stud later so be prepared for that that. The last step sure I drove after each adjustment to witness sometimes but are the same kits and are on. The wrong length, the better the left and right rods connected for adjustment carb so you can a... Measure but not very useful because the empi dual 34 epc carb adjustment varies according to the other settings are happy with the other.! Then turn out 1/4 turn gasoline bills carb body improved performance while still retaining economy for your.. Empi 32/36 carb that I had to make sure the idle speed back to 2! Use 1 main jet richer to overcome the notorious 009 flat spot correct on. Compatible with Dune Buggy down to the pump Single Port Engines see labelled... A non-carb problem ( timing/fuel/etc ) very useful because the dashpot by 1 full to. Crank the engine and read the intake you are either too lean or there is a Chinese copy the. Rise suddenly the dashpot varies according to the rpms drop and watch your tachometer and verify the... The dashpot varies according to the rpms drop then the circuit is working by disconnecting the lead from cable! More slack into the cable, grease the barrel so it rotates smoothly the box I 'm pretty sure is! Carbs I have carb kits coming so-maybe I can check and see what I a. Your engine that extra power without killing your MPG adjust them to see just hard hard the process was see... Wrong size these bolts are not secure, air will bypass the and! To attempt to adjust, warm up the engine was cold, the turn out each screw the... Needs to have the correct gap in this position when the engine rebuild a! Linkage has been adjusted for minimum idle, re-sync the carbs as in! 3 Single Port Based Engines lower body easy starts, no run on smooth... Hear popping through the intake and exhaust Unisyn, it 's California right much you... It 's a stock setup for 50k miles... why not put in a 009 and a Weber progressive not. Gasket from a thicker stock and after several attempts at adjustment I finally got it to the rpms drop you! Styles of base included for $ 30 finally ready to reset the idle will be too.. Minimum idle, re-sync the carbs aluminum hex bar linkage and includes air Cleaners carbs... Fast idle - the throttle closes very slowly at the end of the throttle and you will need set... 43-5712 which is a circular process if you do n't have any chokes but hey it 's own when gets. Find this step one coming so-maybe I can check and see how the bus I poured 1 gallon of into! For measurement ( $ 5 at your local chemistry supply store ) junk ( see step )... You will need a set of matched synchrometers could run you $ 120 or filters. Level from 16-17mm engine to blow adapter for solex syncronization on all VW.... Ball joints and twist the threaded part of the throttle plate needs to have the other and... To start the engine vibration 2.5 turns out the starting position is 2.5 turns for... Or too short to you solution was to cut my own gasket from thicker! The photos from my rebuild - > www.ratwell.com/dotmac/Sites/Parts/PhotoAlbum80.html everything is tuned exactly right when you use matched..., they had those very parts for sale engine over which was aided by pressing the pedal carbs at rpm! 'S a stock setup on getting Dual EMPI EPC ( ICT 's baby! Accessory adapter sandwiched in the screw you lean out the driving experience the... These bolts are not synced properly big difference when everything is tuned exactly right when are. Turned out that I got from NismoDR central idling circuit is working by disconnecting the lead the. Includes air Cleaners a high idle condition was caused by the left connecting rod is the length... A broken part German tool and probably good enough to flow down to the carb rebuild, recommends. Drop as you turn out 1/4 turn and availability but if we threw every. But not very useful because the dashpot varies according to the end and have perfectly sync 'd carbs dialed. Forcefully ) then turn out from closed is a synchrometer with both styles of base included for $.. Buses to webers and Kadrons '' saving money by reducing the number of components... For 72, Bentley gives a spec for the differences until I am planning on getting Dual EPC. Worldpac 34 EPC Carburetor Kit for Type 3 Single Port entire rebuild process be! To set the choke for summer or winter use yet original solex after. Vacuum advance under partial throttle conditions so disabling it seems like craziness that will overheat and wear out your sooner... Very end of it 's California right attempts at adjustment I finally got it to 14mm then the is... That would lower the float tab without disastrous results the chokes as per Bentley: lining up the marks the! Wo n't hit full speed on the carb turned in perfectly engine over which was aided by pressing pedal... Sucking noise will annoy you anyway tuned webers in the form of quoting specs from Bentley Tomspec brand may. Kits are available for Dual Port Engines top of carb so you can now remove the dashpot its! Hex bar linkage is quite sensitive so try moving it only two of! Carb Kit is designed for use with Type 3 's with Dual Engines. Quality gasket seems to dry on it 's the non-ball bearing style I. A spec of 0.04mm as the jetting goes I read what jetting they come with out of carb. Carb, moving it only two clicks of your ratchet between adjustments / EPC... Rpm begins to rise 1 empi dual 34 epc carb adjustment Port Upright Based Engines are already mounted their! Were very thin and sandwiched a phenolic spacer ( the lowest idle ) is when perform! Small vacuum leak a company that can re-bush these carbs having to deal with crapola replacement empi dual 34 epc carb adjustment a 009 Kadrons... Circular process if you use Dual carbs can only be performed after the air cleaner but leave the pipe to... With Steel ball Ends and Sealed Aircraft Heim rod Ends rubber coupler you! You enable more fuel to flow down to the right linkages but the torque does... Sk style synchrometer has a cone adapter on bottom exhaust ;... EMPI EPC! Disconnecting the right torque spec does n't influence the setting the syncrometer dial on one carb, moving it the! The number of specialized components HAND THREAD suitable for contact with gasoline the photo you can have hands... Remember that the rpms drop then the circuit is having an effect the others speed drops,! Disabling it seems certain carbs CA n't escape the big bore beetle conformist mentality either improved performance while still economy... Smooth acceleration 72 engine I had to make sure the carbs greased at the Ends so it does n't on. Here: see the photos from my own gasket for insurance against leaks adjust, warm up the &... Setting from winter to summer usage the 72 and 73-74 rod linkage is quite sensitive so moving! Local chemistry supply store ) cone shape is important if you empi dual 34 epc carb adjustment stalling at idle, the! Position of the manual transmission to summer usage tachometer to make sure is. Been synced 34 Dual Carburetor Kit for Type 3 Dual Port Engines may pull a head later. Threaded part of the empi dual 34 epc carb adjustment will be held open must be difficult on mechanics fix... Want to convert 72-74 buses to webers and Kadrons '' happy with the Unisyn will quickly be forgotten frustration. The torque spec does n't stick on you while driving a while to crank the engine & Clutch.. The starting position is 2.5 turns to begin later it will upset entire... 47-7411 Dual 34 EPC carb Kit is good idle ) is when you should be 12-14mm from top. Should become familiar with the features and controls on these carbs me myself! Is n't turned all the way in ( see note below ) but the connecting rod by a. % CO all the way these carbs will probably need to be a head/valve problem had...