New plugs. I have run 36 vents on 35 valves on a stock 1600. The carbs are stock and I would like to get some options on jetting. BK911, I also have an internally stock 1600 with Weber 40IDFs, which is in my Ghia. Mike Woodman Zinc Member Posts: 43 Joined: Sun May 10, 2015 11:39 pm Location: Weare NH. Imperial Hwy Brea, CA 92821 1-877-405-4345. It will show jet sizing for everything from a VW 1600 CC engine to a VW 2332 engine. Every engine responds differently, and final jetting changes are most often determined by the engine builder or tuner. 1914 Lightened flywheel 041 dp heads Magna Spark ll ignition Empi HPMX 44, 135 mains. I decided I was gonna try to take it to work but when I hopped in it it ran like crap so I started pulling off plug wires and it's number one cylinder again. 5 aux vents. The EMPI IDF, DCNF & HPMX Carburetor Replacement Idle Jets are sold individually in sizes ranging from 0.40 to 0.70. 5.0 out of 5 stars 3. Updated every three hours. Many of EMPIâs Carburetors are test ran and adjusted for drivability out of the box. As I checked off my to do list per what the forum has suggested to remedy my sooty plugs (i.e. ZZâs like to dry out completely between waterings. Carborator; Weber IDF or EMPI HPMX Jetting; Closed 4 replies. My plan so far is to do a tare down of the carbs and possibly order some ventures. The guide says to keep replacing jets to tune. Thanks everyone for the help. I have a fresh 1914 with duel Empi HPMX 44's. Category: Carburetor. I have a 2084cc and it runs pretty good on that jetting... Just checked plugs a few day ago and engine seems to like that jetting... What Dale said except on a 1915cc I would put some 34 vents in it, the 36 vents seem to work better when I get over 2000 cc engines. View original topic: EMPI HPMX 40 jetting for 1600 DP: BK911: Thu Apr 28, 2016 5:31 am: Hey guys, Did a search, and read the aircooled.net jetting guide, but still have some questions. I did not drive the Ghia for all of 2014 and most of 2015. $15.93 $ 15. http://www.aircooled.net/vw-carburetors-jetting-102/. In Stock - Ships Within 24 Hours. The EMPI HPMX series have separate idle and main circuits featuring changeable air and fuel jets. Recommended for owners of aircooled vw beetles, Dune Buggy and Baja cars. stock heads. Venturi size....can't see that happening. Here are the specs. I was able to tare into it a little before go to work. Relief and a mature sound again! I guess I'll just have to start over. Fouled #1 plug with 100 miles on it. 1975 GL1000 parts bike (parts for sale) 1976 Goldwing Super Sport 1985 Honda Elite 1976 KZ900 Dragbike 1992 ZX7 Dragbike (KZ900 style motor w/NOS) and a rotation of various purchases Randakk approved Carb Rebuilder. MURZI wrote: Loosen each idle jet holder one at time ...first. Post by 2332 baja » Thu May 31, 2007 9:43 pm I haven't worked with any HPMX but if I were setting up IDF's on â¦ Carborator; Weber IDF or EMPI HPMX Jetting. 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. But It seams like only side 1-2 is giving me trouble. For 25 years the exhaust was a Berg Ghia header with a single quiet muffler. Free Shipping On Orders Over $75. 2332 baja Posts: 1662 Joined: Tue Sep 28, 2004 2:27 am. Empi 43-5650 Pump Exhaust Jet, 0.00 Weber IDA-IDF-DCO-DCOE/Empi HPMX-EPC Carbs. 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