Price: $7.95. I also adjust my accelerator pump after getting it to idle good. When it comes to adrenaline and speed, you can’t beat the thrill of sand cars, dune buggies, street racers, or any custom racing vehicle. If the jets are screw in to tight that will cause high idle. When cruising some dial this mixture back up to around 14:1. We will be closing Dec 24 - 25  and Dec 31 - Jan 1 to spend the Holidays with our families. In general you want your engine to be in this range at all times. Empi Quality . FREE Shipping. Whether competing for a prize or for the simple joy of it, this is a pastime many people dedicate their time and energy to for the fun of it. Also if you still can't get a slow idle loose the jet a little on the other side of carb were the bypass screw is. That is more air or less air respectively mixing with fuel. They used to ship 115 mains and 200 airs. 52 idles what changed the jetting in this version. Dual EMPI 40 HPMX Kit with Billet Aluminum Air Cleaners for Type 1 Beetle, KG and Kombi Engines.&nbs.. $1,905.00 Ex Tax: $1,656.52 It is possible that they have been reamed for more flow. Price: From $39.90 to $59.90. Dual 40mm HPMX kit with "Jet & Set" $699.99 Dual 44mm HPMX kit with "Jet & Set" $699.99 Type 2/4 HPMX Carb Kit. They are responsible for the air-fuel mixture that will enter your engine and be burned inside the cylinder. pump and 50 accel pump, F11 emulsion tubes and 28mm venturis. 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. One thing folks need to know about the EMPI carbs is the OUTSIDE DIAMETER of the vents for the EMPI 40 is THE SAME as the OUTSIDE DIAMETER of the vents for the EMPI 44 and Weber 44s. Your recently viewed items and featured recommendations, Select the department you want to search in, Enter a new vehicle to add it to Your Garage and filter the results below, Empi 43-5650 Pump Exhaust Jet, 0.00 Weber IDA-IDF-DCO-DCOE/Empi HPMX-EPC Carbs, Pump Jet Idf.55, Compatible with Dune Buggy, Empi 43-5516 Idle Jet.60 For Weber IDF-DCNF/Empi HPMX Carburetors, Weber Idf Main Jet 125, Compatible with Dune Buggy, Weber Idf Main Jet 145, Compatible with Dune Buggy, Weber Idf Main Jet 140, Compatible with Dune Buggy, Weber Idf Main Jet 135, Compatible with Dune Buggy, Weber Idf Main Jet 160, Compatible with Dune Buggy, Weber Idf Main Jet 155, Compatible with Dune Buggy, Weber Idf Main Jet 130, Compatible with Dune Buggy, Weber Idf Main Jet 195, Compatible with Dune Buggy, Weber Idf Main Jet 150, Compatible with Dune Buggy, Weber Idf Main Jet 115, Compatible with Dune Buggy, Weber Idf Idle O-Ring, Compatible with Dune Buggy, Pump Jet Idf.50, Compatible with Dune Buggy, Weber Idf Main Jet 165, Compatible with Dune Buggy, Weber Idf Idle Vent Tube Kit, For IDF & HPMX, Compatible with Dune Buggy, Weber Idf Idle Jet 55, For Idf & HPMX, Compatible with Dune Buggy, Weber Idf Idle Jet 50, For Idf & HPMX, Compatible with Dune Buggy, Weber Idf Idle Jet 65, For Idf & HPMX, Compatible with Dune Buggy, Weber Idf Idle Jet 57, For Idf & HPMX, Compatible with Dune Buggy, Weber Idf Idle Jet 70, For Idf & HPMX, Compatible with Dune Buggy, Weber Idf Idle Jet 60, For Idf & HPMX, Compatible with Dune Buggy, Weber Idf Idle Jet 52, For Idf & HPMX, Compatible with Dune Buggy. We Offer A Variety Of Jets For Weber Carburetors And Empi Carburetors. Dual EMPI Ultra HPMX 40 carburetor kit Type 1 engines (dual port) Paruzzi number : 4244. The only way to get an accurate map of your air-cooled VW engine's air fuel ratio is to data log readings in a controlled environment like an engine dyno. The EMPI IDF, DCNF & HPMX Carburetor Replacement Idle Jets are sold individually in sizes ranging from 0.40 to 0.70. 160 air correction which I didn’t change. Remember lean is hot so it is not recommended to set your engine on the lean side of these numbers. Many carburetor related stumbles can be traced back to a lean condition in the rev range. It also fits Empi 40 & 44 HPMX Series Carbs. Ultra Dual 40 Hpmx Carburetor Kit, By EMPI. Empi tests and adjusts each and every one of their carburetors at their Anaheim facility prior to shipping. For All Out Performance, The Way To Go Is The 44 HPMX. Carburetors come jetted: 52 idle, 130 main, 170 air, 550 ex. 93. 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