Clonebug Posts: 4279 Joined: Fri Feb 16, 2007 6:28 am. Causing a fire hazard and running issues. Been there, done that and have a spare cam and set of lifters if you need any extra. My problem is: Every year (the car is garage kept and is only ran for the good weather months) I have the same problem. Fitted a pair of empi idf 40 HPMX carbs to my 1776cc engine. All done by me... Had the carb of again! stan_tichomirov wrote: Any dual IDF setup will be pricey due to cost of jets, good manifolds, bases/filters/linkage. report. The Weber carburetor has three basic circuits: the idle circuit, the accelerator pump circuit, and the main circuit. Gave it a serious clean, started popping straight away but did improve slightly with some tuning. 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. When that is out I have a few observations: Alstrup wrote: Hello. Kits with Chrome Air Cleaners. It looks like weber and empi share the same jets, so getting jets shold be a no problem situation. 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. My engine is a 1776cc with ported heads, large valves, and a Engle 110. Post DC Component - The Empi Continuum waveforms may contain a DC component. 100% Upvoted. Another thing to consider is valve lash. There was a problem filtering reviews right now. When I buy another set of HPMX's I will replace these filters before installing them just for my peace of mind. Includes our "Jet & Set". Jason Simply put, EMPI Inc. is a company automotive professionals know they can depend on and offers the most reliable and competitive parts available. I don't think I realized they moved the jets over though. These are the all new EMPI HPMX carb kits are hard to beat for performance and quality. Have you verified your fuel pressure is around 3 PSI? EMPI. It's popping more on tick over. I'll work through it all and see how it goes. Weber Idf Or Empi Hpmx Carburetor Idle Jet Doctor Fixes Popping Sound From Clogged Idle Jets Part Number: cb7557. The carbs leak from the accelerator pump diaphragms. Anyone have personal experience with these? The adjustment screws have little effect when I adjust/tune them. Initial purchase price may or may not cover all your needs. Skip any part you did and go back and redo anything you didn't do. 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. Direct Tens personal care products pdf manual download. I'm kind of surprised there hasn't been more responses. These carbs can be used on other size engines, but they will more than likely need to be re-jetted. EMPI Dual HPMX Type 1 Carb. Re: Empi HPMX Carb help? 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. Always use Empi electrodes with a minimum active area of 16 cm2 (including Empi square (2” x 2”) StimCare electrodes). If your mixture screws are non reactive you may have your transition ports too exposed. I just want to know if they are worth the money. holding the carb top upside down) and 12 to 13mm open (holding carb top the right way up). I've loosened the 8 mm nut and screwed in the screws till gently seated. 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. Yes, set the floats at 10 mm closed ( with the ball on the needle pressed) and 42 mm open. 42 years of quality sales and service. 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. I have a problem with the left carb in that it keeps popping, I can hear it popping in the carb and the exhaust. 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. by Mr Brown » Sat Jun 22, 2013 9:22 am, Post by Volky » Thu Jun 20, 2013 7:16 pm, Post 3.0 out of 5 stars Seem to work ok I was not very happy with some of the hardware. Dual 40mm HPMX kit with "Jet & Set" $729.99 Dual 44mm HPMX kit with "Jet & Set" $729.99 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. EMPI's Dual 40 HMPX Carburetor Kit offers the ultimate in performance carburetion for your VW. Your idle speed screws should only just touch the stops and be turned in no more than one full turn. 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. I thought this might stir things up. HPMX's use all Weber jets and parts. Price: From $29.90 to $32.50. Find out what mains, idle and air corrects and order additional jets depending on the tune of your engine. 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. 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. Venturi's for Empi 40 & 44 HPMX Carbs. 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 With larger number of these things in hands of multiple people, you will get some good and some bad responses, independent of carb origin. Hello. hide. by Mr Brown » Wed Jun 19, 2013 3:21 am, Post 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. 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. The dual 44mm HPMX kit is the true mileage/performance champ. Any tips well received thanks. 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. Cheers Phil We stock the right kit for your VW engine. Also what should I do with the air bypass/ bleed screws? share. 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. So I handled both carbs and left the store to think about it. Top. They have been perfect so far. Way cool. by Mr Brown » Mon Jun 24, 2013 2:42 am, Post Fitted a pair of empi idf 40 HPMX carbs to my 1776cc engine. 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 … Venturi for Weber 40 and 44 IDF's. 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. The idle jet needs to richer as the 300 pulls a lot of air at idle. As the subject line says, I am running dual 40mm hpmx empi carbs. For me, I have no problem running HPMX or EPC carbs considering I pay approx. When that is out I have a few observations. Popping and backfiring is a lean condition on the carbs. This is a common problem on off road and drag race applications. 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. The Dellorto DRLA 40 is (per the Superperformance book) 5 to 6 mm closed (i.e. Is this the right thing to do? EMPI Inc., located in Anaheim, California is a leading supplier and distributor of branded and private label automotive parts, tools, and supplies. 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. For example, a 40 IDF would need a 40 x 1.25 = 50 idle jet. Please try again later. This kit does not work with original VW Fan Shrouds with heaters. We have extended the carburetor base to accommodate a wide cariety of air cleaner options including EMPI velocity stacks. EMPI Dual HPMX Type 1 Carb. Kits without Air Cleaners. Thanks. Our recommendations for 44's are for 1914cc to 2275cc's. by dragvw2180 » Mon Jun 24, 2013 7:19 am, Post Any pix would be great. by Mr Brown » Wed Jun 19, 2013 10:02 am, Post 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. Empi 43-6973 Carburetor Float For Weber 48 IDA, Empi 48/51 EPC Carburetors, Ea We’ve got parts for vintage restoration, buggies, bajas, drag cars, street, stock, off road, and more. 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. 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. 1970 VW Beetle with 2109cc turbo with MS-II v3.0, wasted spark, electronic boost controller, dual table, launch control and 3.88 tranny. Fuel pressure is ok have a pressure reg fitted. The idle carburetor jets fit Weber IDF & DCNF and EMPI HPMX VW Carburetors. The only problem I've had with my HPMX 40's is the fuel inlet filters. Part No: 112.. EMPI High Flow Bearing Linkage Kit…$189.95 plus shipping by Volky » Wed Jun 19, 2013 12:09 pm, Post 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. 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. Price: $19.90. Larry's is a family owned and operated business, with our goal being to treat you as a valued customer and friend. I want to go to upgrade to dual carbs but Webers are expensive. The only problem I've had with my HPMX 40's is the fuel inlet filters. I have a flat spot from idle to acceleration, but after that, it's … 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 Mr Brown » Thu Jun 20, 2013 10:31 am, Post 1500-1600cc Based Up-Right Engines 47-7317 EMPI Dual 40HPMX Kit 47-7319 EMPI Dual 44HPMX Kit. Reviewed in the United States on July 30, 2014. by hemicat » Tue Jul 02, 2013 6:47 pm. Empi 40mm HPMX kit for Type 2/4 engine and car combo. From the United States ryan brown. Price: $28.60. View and Download Empi Direct Tens user manual online. Loose valves will also mess with you more than you can handle. 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. Payed less than $600 with deluxe linkage upgrade. How do you suggest I clean them, where in particular should I clean? 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. Complete auto parts store for air cooled VWs. We also build custom buggies. Have us curve up a distributor to match your new carbs and combo! 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 Yes, I have 55 idle jets fitted. 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 … For Type 2/4 engine and car combo needle pressed ) and 42 mm open, getting. 50 idle jet needs to richer as the 300 pulls a lot of air at idle for performance quality. Air at idle valves will also mess with you more than one full turn peace of.! 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To 6 mm closed ( with the ball on the carbs have a pressure reg fitted is much.