I have a problem with the left carb in that it keeps popping, I can hear it popping in the carb and the exhaust. Always use Empi electrodes with a minimum active area of 16 cm2 (including Empi square (2” x 2”) StimCare electrodes). 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. How do you suggest I clean them, where in particular should I clean? by Volky » Thu Jun 20, 2013 7:16 pm, Post The only problem I've had with my HPMX 40's is the fuel inlet filters. Stock rockers/valve springs/dp heads.. Just a basic 1776, it made 122hp and 165lbs to the wheels on a mustang dyno at 11.2:1 AFR. report. Been there, done that and have a spare cam and set of lifters if you need any extra. Causing a fire hazard and running issues. HPMX's use all Weber jets and parts. 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. Re: Empi HPMX Carb help? Fitted a pair of empi idf 40 HPMX carbs to my 1776cc engine. EMPI Inc., located in Anaheim, California is a leading supplier and distributor of branded and private label automotive parts, tools, and supplies. View and Download Empi Direct Tens user manual online. Yes, set the floats at 10 mm closed ( with the ball on the needle pressed) and 42 mm open. 1700-2700cc 1972 and later Bus and 914 Porsche. Also what should I do with the air bypass/ bleed screws? Empi 40mm HPMX kit for Type 2/4 engine and car combo. by hemicat » Tue Jul 02, 2013 6:47 pm. 1500-1600cc Based Up-Right Engines 47-7317 EMPI Dual 40HPMX Kit 47-7319 EMPI Dual 44HPMX Kit. Part No: 112.. EMPI High Flow Bearing Linkage Kit…$189.95 plus shipping 1 comment. by Mr Brown » Wed Jun 19, 2013 10:02 am, Post Dual 40mm HPMX kit with "Jet & Set" $729.99 Dual 44mm HPMX kit with "Jet & Set" $729.99 Oh I've seen that video. 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. All done by me... Had the carb of again! I have used 5 sets of HPMX carbs 2 - 40mm, 3 - 44mm, 2 pair of 48IDF Webers a set of Italian 48 IDAs and a pair of 51 EPC carbs. Anyone have personal experience with these? by dragvw2180 » Mon Jun 24, 2013 7:19 am, Post Each. 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. Gave it a serious clean, started popping straight away but did improve slightly with some tuning. I have a flat spot from idle to acceleration, but after that, it's … Find out what mains, idle and air corrects and order additional jets depending on the tune of your engine. Payed less than $600 with deluxe linkage upgrade. Thanks. Pops through carb and exhaust. Thats a super informative article. by Mr Brown » Thu Jun 20, 2013 10:31 am, Post At ACN we recommend sizing your idle jets in your Webers as follows: for IDFs, make the idle jet 1.25 the size of the throttle body. 3.0 out of 5 stars Seem to work ok I was not very happy with some of the hardware. by pdub » Sun Jun 23, 2013 11:25 pm, Post Have you verified your fuel pressure is around 3 PSI? I want to go to upgrade to dual carbs but Webers are expensive. by Mr Brown » Sat Jun 22, 2013 9:22 am, Post Factory Jetting: 55 Idles 135 Mains 200 Airs 36mm Venturis .550 Ex Pump .50 Accelerator PumpDual 44 HPMX Carburetor Kit By EMPI Customers who bought this … Initial purchase price may or may not cover all your needs. Complete NEW EMPI Linkage Kit modified, with Lubricated Spherical Bearings for the High Flow Fan Shroud 40-44 IDF Webers, 36-40-45-48 Dellortos, Fuel Injection. Empi Single 44 HPMX Carburetor Kit Vw Type 1 Air-cooled Dual Port: Empi Hpmx Single 44 Mm Carburetor Kit With Linkage And Air Cleaner, 47-7316 Super rich idle jetting is NOT a solution to a problem elsewhere, even though it will “seem” fine. They have been perfect so far. save. by Mr Brown » Wed Jun 19, 2013 11:24 am, Post Have us curve up a distributor to match your new carbs and combo! Just curious what the pros and cons are on the Empi HPMX carbs. 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. Use of an electrode with an area less than 16 cm2 can cause burns when the unit is used at higher Any dual IDF setup will be pricey due to cost of jets, good manifolds, bases/filters/linkage. The idle carburetor jets fit Weber IDF & DCNF and EMPI HPMX VW Carburetors. The carbs leak from the accelerator pump diaphragms. share. Fuel pressure is ok have a pressure reg fitted. Lol, Re: problem with empi 40 idf carb popping, http://www.piercemanifolds.com/category_s/313.htm, http://www.piercemanifolds.com/category_s/312.htm, http://www.piercemanifolds.com/category_s/308.htm. The only problem I've had with my HPMX 40's is the fuel inlet filters. EMPI. When that is out I have a few observations. 1970 VW Beetle with 2109cc turbo with MS-II v3.0, wasted spark, electronic boost controller, dual table, launch control and 3.88 tranny. When that is out I have a few observations: jleavitt73 wrote: Alstrup wrote: Hello. Another thing to consider is valve lash. I have a problem with the left carb in that it keeps popping, I can hear it popping in the carb and the exhaust. Empi 2362 Weber IDF 40-44mm & Empi HPMX 40-44mm Carburetor Rebuild Tune Up Kit 5 out of 5 stars (3) 3 product ratings - Empi 2362 Weber IDF 40-44mm & Empi HPMX 40-44mm Carburetor Rebuild Tune Up Kit We also build custom buggies. Re: Empi HPMX Carb help? by Clonebug » Wed Jun 19, 2013 8:10 am, Post Plugged idle jets on Weber IDF or EMPI HPMX carburetors can result from dirt, and other debris getting into the carburetor, and pooling up in the top of the carburetor cover. Kits without Air Cleaners. 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. Clonebug Posts: 4279 Joined: Fri Feb 16, 2007 6:28 am. transcutaneous electrical nerve stimulator for pain treatment. holding the carb top upside down) and 12 to 13mm open (holding carb top the right way up). Jason The idle jet needs to richer as the 300 pulls a lot of air at idle. This kit does not work with original VW Fan Shrouds with heaters. I just want to know if they are worth the money. Yes, I have 55 idle jets fitted. Price: From $29.90 to $32.50. stan_tichomirov wrote: Any dual IDF setup will be pricey due to cost of jets, good manifolds, bases/filters/linkage. 9K likes. EMPI's Dual 40 HMPX Carburetor Kit offers the ultimate in performance carburetion for your VW. 100% Upvoted. 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. Venturi for Weber and Empi 48 and 51mm Carbs. Any pix would be great. I've loosened the 8 mm nut and screwed in the screws till gently seated. by Mr Brown » Mon Jun 24, 2013 11:04 am, Post 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. Our recommendations for Dual 40's is for motors that range from 1776cc to 1914cc. Weber 40 & 44 IDF Venturi's Venturi for Weber 48 IDA and Empi 48/51 EPC's. The carburetor kit includes 2, 40 HPMX carburetors with hexbar linkage, air cleaner assemblies with gauze filters, chrome velocity stacks, offset aluminum intake manifolds, a coil relocation bracket, fuel line and a brass fuel "T", mounting hardware and instructions. Venturis for Kadrons. by Mr Brown » Wed Jun 19, 2013 3:21 am, Post Direct Tens personal care products pdf manual download. 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. EMPI Dual HPMX Type 1 Carb. 42 years of quality sales and service. Venturi's for Empi 40 & 44 HPMX Carbs. We have extended the carburetor base to accommodate a wide cariety of air cleaner options including EMPI velocity stacks. This is a common problem on off road and drag race applications. DC Component - The Empi Continuum waveforms may contain a DC component. The Weber carburetor has three basic circuits: the idle circuit, the accelerator pump circuit, and the main circuit. With larger number of these things in hands of multiple people, you will get some good and some bad responses, independent of carb origin. For example, a 40 IDF would need a 40 x 1.25 = 50 idle jet. 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. 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. The dual 44mm HPMX kit is the true mileage/performance champ. Loose valves will also mess with you more than you can handle. My problem is: Every year (the car is garage kept and is only ran for the good weather months) I have the same problem. It's popping more on tick over. Price: $19.90. I thought this might stir things up. For me, I have no problem running HPMX or EPC carbs considering I pay approx. Price: $19.90. Wondered if it's the same or different for the Weber IDF and also for the new EMPI copy. Please try again later. A brass vent tube is added to prevent flooding. So I handled both carbs and left the store to think about it. Any tips well received thanks. Weber Idf Or Empi Hpmx Carburetor Idle Jet Doctor Fixes Popping Sound From Clogged Idle Jets Part Number: cb7557. I'll work through it all and see how it goes. Fitted a pair of empi idf 40 HPMX carbs to my 1776cc engine. Ha Ha! Skip any part you did and go back and redo anything you didn't do. It looks like weber and empi share the same jets, so getting jets shold be a no problem situation. 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'm kind of surprised there hasn't been more responses. Top. I don't think I realized they moved the jets over though. I bought the weber replacement filters and have had no problems since. Oh and an almost complete set of push rods (3 short but have all the pieces to put them back together). Simply put, EMPI Inc. is a company automotive professionals know they can depend on and offers the most reliable and competitive parts available. 47-1010 40HPMX Carburetor Only, w/ Chrome Velocity Stacks for Duals 47-1012 44HPMX Carburetor Only, w/ Chrome Velocity Stacks for Duals. From the United States ryan brown. Are the HPMX carbs even worth the time and money or are Webers the only way to go? 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. I've had the carbs off so many times now the last time I did give them a good clean, I pulled out all the jets and screws and blew them through with wd40 and compressed air. When that is out I have a few observations: Alstrup wrote: Hello. Dual 44mm HPMX kit with "Jet & Set" $699.99 Type 2/4 HPMX Carb Kit. hide. The Dellorto DRLA 40 is (per the Superperformance book) 5 to 6 mm closed (i.e. Initial purchase price may or may not cover all your needs. Hello. As the subject line says, I am running dual 40mm hpmx empi carbs. Looking at some of the post on the samba would lead me to think HPMX's are junk but it seems on the samba no matter what it is if it says empi … I looked at the linkage of the throttle ends of the Empi Hpmx carbs and found that if I switched the end assemblies to the Webers then I have a working setup. We stock the right kit for your VW engine. Includes our "Jet & Set". Cheers Phil Our recommendations for 44's are for 1914cc to 2275cc's. Price: $28.60. Way cool. Venturi for Weber 40 and 44 IDF's. Empi HPMX single 40mm and 44mm Type 1 carburetor kits with chrome velocity stacks and air cleaners with gauze elements, aluminum isolated center section manifold and linkage for VW Volkswagen. Complete auto parts store for air cooled VWs. Post There was a problem filtering reviews right now. These carbs can be used on other size engines, but they will more than likely need to be re-jetted. The adjustment screws have little effect when I adjust/tune them. Your idle speed screws should only just touch the stops and be turned in no more than one full turn. Thanks mike for taking the time to write such a detailed explanation. Popping and backfiring is a lean condition on the carbs. Larry's is a family owned and operated business, with our goal being to treat you as a valued customer and friend. $700 (HPMX) for them here in Canada while a set of Webers (IDF) will cost me closer to $1500. EMPI Dual HPMX Type 1 Carb. other empi catalogs 301 E. ORANGETHORPE AVE., ANAHEIM, CA USA, 92801 • TOLL FREE LINE 800-666-3674 • FAX 714-446-9610 • EMAIL Site Development: Word of Mouth Productions The EMPI is jetted right now as follows :Primary Air 1.70 Secondary Air 1.80 Primary Main 1.40 Secondary Main 1.50 Accel Pump 0.50 Primary Idle 0.65 Secondary Idle 0.50 Secondary Venturi 3.5 Needle Valve 2.00. With larger number of these things in hands of multiple people, you will get some good and some bad responses, independent of carb origin. by Volky » Wed Jun 19, 2013 12:09 pm, Post If your mixture screws are non reactive you may have your transition ports too exposed. I put a set of the HPMX 40s(3rd gen) on my wife's 67 bus internally stock engine with a set of thick wall 88s and L3 heads. 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. When I buy another set of HPMX's I will replace these filters before installing them just for my peace of mind. by Mr Brown » Mon Jun 24, 2013 2:42 am, Post Kits with Chrome Air Cleaners. Is this the right thing to do? We’ve got parts for vintage restoration, buggies, bajas, drag cars, street, stock, off road, and more. Empi 43-6973 Carburetor Float For Weber 48 IDA, Empi 48/51 EPC Carburetors, Ea These are the all new EMPI HPMX carb kits are hard to beat for performance and quality. 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. Reviewed in the United States on July 30, 2014. My engine is a 1776cc with ported heads, large valves, and a Engle 110. Out of the box I have a set of HPMX and they are 5mm closed and 27mm open. Well, the empis got traded for a 45Dellorto and the motor is doing much better. 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. Example, a 40 x 1.25 = 50 idle jet are Webers the problem! I was not very happy with some of the box I have a few observations: Alstrup wrote Alstrup... Larry 's is the true mileage/performance champ about it or EPC carbs considering I pay approx subject line,! 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Holding the carb top upside down ) and 12 to 13mm open ( holding top. `` jet & set '' $ 699.99 Type 2/4 engine and car combo and to! On the Empi Continuum waveforms may contain a dc Component - the Empi HPMX VW Carburetors 1776cc engine my!