Larry's is a family owned and operated business, with our goal being to treat you as a valued customer and friend. Venturis for Kadrons. I thought this might stir things up. Out of the box I have a set of HPMX and they are 5mm closed and 27mm open. So I handled both carbs and left the store to think about it. All done by me... Had the carb of again! Venturi's for Empi 40 & 44 HPMX Carbs. Top. I want to go to upgrade to dual carbs but Webers are expensive. Any tips well received thanks. Is this the right thing to do? After clogging them up because I didn't think to flush out my fuel lines first, I had to remove them for cleaning purposes and they both tore apart and one was torn before I pulled it and got trash in the carb. View and Download Empi Direct Tens user manual online. As a guy that has spent quite a bit of time at the dyno, both engine- and chassis dyno, I will first say that you can´t do a direct compare between two dyno´s unless you know exactly how they are calibrated. Gave it a serious clean, started popping straight away but did improve slightly with some tuning. The carbs leak from the accelerator pump diaphragms. Part No: 112.. EMPI High Flow Bearing Linkage Kit…$189.95 plus shipping Thanks mike for taking the time to write such a detailed explanation. Way cool. Skip any part you did and go back and redo anything you didn't do. Our recommendations for 44's are for 1914cc to 2275cc's. These are the all new EMPI HPMX carb kits are hard to beat for performance and quality. Initial purchase price may or may not cover all your needs. Any pix would be great. by pdub » Sun Jun 23, 2013 11:25 pm, Post For me, I have no problem running HPMX or EPC carbs considering I pay approx. I do not know you or your experiance level so I am going to just post the way I set the carbs up as if they were brand new out of the box. I bought the weber replacement filters and have had no problems since. Large Product Selection Our office and warehouse space is over 300,000 sq ft with product inventory of over 50,000 parts for VWs and other vehicle accessories. I have a flat spot from idle to acceleration, but after that, it's … Super rich idle jetting is NOT a solution to a problem elsewhere, even though it will “seem” fine. Another thing to consider is valve lash. 100% Upvoted. Have you verified your fuel pressure is around 3 PSI? $700 (HPMX) for them here in Canada while a set of Webers (IDF) will cost me closer to $1500. How do you suggest I clean them, where in particular should I clean? I built a 1776 with a single 40 empi HPMX with turbo emulsion tubes, 10lbs of boost on pump gas, and a engle 100 cam. Im trying to decide what carbs to use on a 1915, at first I was thinking Kads but with the luck Richard (staggerwing) has had Im not so sure. Weber Idf Or Empi Hpmx Carburetor Idle Jet Doctor Fixes Popping Sound From Clogged Idle Jets Part Number: cb7557. Dual 44mm HPMX kit with "Jet & Set" $699.99 Type 2/4 HPMX Carb Kit. DC Component - The Empi Continuum waveforms may contain a DC component. by Mr Brown » Mon Jun 24, 2013 2:42 am, Post 42 years of quality sales and service. Dual 40mm HPMX kit with "Jet & Set" $729.99 Dual 44mm HPMX kit with "Jet & Set" $729.99 Have us curve up a distributor to match your new carbs and combo! Price: $28.60. Quantity in Basket: none: Click image for more info: Weber IDF, Weber IDA, Weber DCOE, EMPI Hpmx, EMPI EPC 48/51 Carburetor 0.100 Air Jet Part Number: webair100. Fuel pressure is ok have a pressure reg fitted. 3.0 out of 5 stars Seem to work ok I was not very happy with some of the hardware. For example, a 40 IDF would need a 40 x 1.25 = 50 idle jet. Reviewed in the United States on July 30, 2014. Thanks. by Mr Brown » Wed Jun 19, 2013 11:24 am, Post The dual 44mm HPMX kit is the true mileage/performance champ. Venturi for Weber 40 and 44 IDF's. Kits without Air Cleaners. Empi 40mm HPMX kit for Type 2/4 engine and car combo. Are the HPMX carbs even worth the time and money or are Webers the only way to go? With larger number of these things in hands of multiple people, you will get some good and some bad responses, independent of carb origin. There was a problem filtering reviews right now. The adjustment screws have little effect when I adjust/tune them. 1 comment. Re: Empi HPMX Carb help? 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. I'll work through it all and see how it goes. As a guy that has spent quite a bit of time at the dyno, both engine- and chassis dyno, I will first say that you can´t do a direct compare between two dyno´s unless you know exactly how they are calibrated. 1700-2700cc 1972 and later Bus and 914 Porsche. EMPI's Dual 40 HMPX Carburetor Kit offers the ultimate in performance carburetion for your VW. On the carburetor cover, there are two small holes that are used to take in extra air, in addition to the air that is sucked in through the velocity stacks. Been there, done that and have a spare cam and set of lifters if you need any extra. 1970 VW Beetle with 2109cc turbo with MS-II v3.0, wasted spark, electronic boost controller, dual table, launch control and 3.88 tranny. Yes, set the floats at 10 mm closed ( with the ball on the needle pressed) and 42 mm open. Please try again later. by Clonebug » Wed Jun 19, 2013 8:10 am, Post Loose valves will also mess with you more than you can handle. It's popping more on tick over. Just curious what the pros and cons are on the Empi HPMX carbs. When that is out I have a few observations. Bump up your idle jets 1 - 2 sizes and adjust your A/F screw out... the Idle circuit is lean... if it pops on the RPM, higher than about 2-3k ... or on decel, your mains are too lean. I just want to know if they are worth the money. I'm kind of surprised there hasn't been more responses. The idle carburetor jets fit Weber IDF & DCNF and EMPI HPMX VW Carburetors. From the United States ryan brown. The only problem I've had with my HPMX 40's is the fuel inlet filters. All of them required the same amount of work and effort to get to run right and all worked flawlessly once they were set up. report. Price: From $29.90 to $32.50. EMPI. As the subject line says, I am running dual 40mm hpmx empi carbs. save. Jason The carb linkage on the Webers are such that the throttle plate linkage assembly opens away from the center of the engine, thus the hex bar would not work with the associated linkage. I have a problem with the left carb in that it keeps popping, I can hear it popping in the carb and the exhaust. by Volky » Thu Jun 20, 2013 7:16 pm, Post Venturi for Weber and Empi 48 and 51mm Carbs. The Weber carburetor has three basic circuits: the idle circuit, the accelerator pump circuit, and the main circuit. Post Simply put, EMPI Inc. is a company automotive professionals know they can depend on and offers the most reliable and competitive parts available. Our recommendations for Dual 40's is for motors that range from 1776cc to 1914cc. Kits with Chrome Air Cleaners. Well, the empis got traded for a 45Dellorto and the motor is doing much better. Local place has the Empi 40K's in stock but I'm not really seeing all that much info on them in the way of reviews. Causing a fire hazard and running issues. I don't think I realized they moved the jets over though. by Mr Brown » Wed Jun 19, 2013 3:21 am, Post Your idle speed screws should only just touch the stops and be turned in no more than one full turn. 1500-1600cc Based Up-Right Engines 47-7317 EMPI Dual 40HPMX Kit 47-7319 EMPI Dual 44HPMX Kit. This is a common problem on off road and drag race applications. hide. 47-1010 40HPMX Carburetor Only, w/ Chrome Velocity Stacks for Duals 47-1012 44HPMX Carburetor Only, w/ Chrome Velocity Stacks for Duals. I've loosened the 8 mm nut and screwed in the screws till gently seated. Anyone have personal experience with these? by Mr Brown » Thu Jun 20, 2013 10:31 am, Post EMPI Inc., located in Anaheim, California is a leading supplier and distributor of branded and private label automotive parts, tools, and supplies. It looks like weber and empi share the same jets, so getting jets shold be a no problem situation. EMPI Dual HPMX Type 1 Carb. Ok have a few observations ( with the air bypass/ bleed screws curve up a to. Wrote: Alstrup wrote: Hello the hardware and 42 mm open you. Based Up-Right Engines 47-7317 Empi dual 40HPMX kit 47-7319 Empi dual 44HPMX kit corrects and order additional depending... 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