Proper idle jets are very important to a Weber's performance ( this assumes there is no vacuum leaks or other carb problems check here) Idle Speed Screw should be no more than 1 1/2 turns in (Fig 1) Poor Idle. Weber IDF & IDA Air Jet, 77401 Price: $8.00 Item eligible for Econo/1st Class Mail shipment, min ship charge applies. I presume its jetting, so here I am asking for you advice. Carbs are 44 IDF - 36mm vents/135 mains/55 idles/200 airs any advice appreciated. Please click HERE for an exploded view drawing of the Weber IDF carburettor range. using Redlines kit (92.3240.05) by . Hi all, I have posted this in other forums...but I'm looking for any experience or advice on a Carburetor issue. The main venturi is the first part of the selection process when determining the appropriate jetting for your carburettor/engine combination. Engine Size & Cam: Main Venturi: Main: Air: Idle Weber IDF carburetor parts. Recommended Settings for Weber Carbs : These are starting points - each engine can vary greatly! VIEW 48 SERIES 44 VENTURES PRO SERIES 18950-138 40 IDF 70 18890-030 44 IDF 71 19030-021 48 IDF 6 VIEW 40 SERIES Weber Carburetors, Linkage. I have installed 1915 cylinders stock cam and heads. Initial jetting is always a SWAG and each engine is unique. Created on 2011-03-04 by IPD Staff. Tuning Dual Weber IDF Carbs on the VW Type 1 Engine A fact - Weber carburetors never come out of the box clean or jetted perfectly for your engine. 737-144. This equals more low … I've had 2 sets of Weber 44's with 36 vents on 2 different engines (both 1914 cc's). 9. T1 Twin Genuine Weber 44 IDF Carburetor Complete Kit ... 3 Weeks) £935.45 see more . T1 Twin Genuine Weber 40 IDF Carburetor Complete Kit - In Stock £850.61 see more . Yellow73. Jetting Opinions for single 44 IDF Weber 03-14-2004 11:32 PM #1. Weber has made dozens of different models of carburetors throughout the years. Each. Any search for the ideal 2-barrel, progressive down-draft carburetor would surely end with the DGV Series. Re: 44 IDF venturi size ??? Buy GENUINE WEBER 44 IDF MASTER OVERHAUL KIT 44 IDF REBUILD KIT: ... We do not have any recommendations at this time Continue shopping Image Unavailable. CB Performance rebuild kits contain both styles of pump diaphragms. 2-emulsion tubes (F7) for the IDF. Weber IDF & IDA Main Jet, 73401 Price: $8.00 Item eligible for Econo/1st Class Mail shipment, min ship charge applies. How to Tune Weber IDF Carburettor. For example, a 40 IDF would need a 40 x 1.25 = 50 idle jet. Saturday, 23-Sep-00 12:52:35 . You'll be bitching in short order about how crappy … It started right up and idled, but seemed to load up and then blew black smoke when I reved it up. A 44 IDF would need a 55 idle jet, and a 48 IDF would need a 60 idle jet. Good Idle. WEBER CARBURETORS 40 / 44 48 IDF-XE Part Number # 92.3240.05CB Late style IDF XE shown Early style can be identified by its cam and roller style accelerator pump action. The most frequently asked question about our Weber kit is “Do I have to re-jet the carb for my engine?” Re-jetting is the last, and perhaps the most important function of install-ing the Weber conversion. After confirming the linkage allows the throttle lever to seat against the Idle Speed Screw. The drawing will open in a new window. Image not available for Color: VIDEOS 360° VIEW ... Acarte Carburetor Carbon Dirt Jet Cleaner Tool Kit 10 Cleaning Needles with 5 Brushes 4.6 out of 5 stars 1,664. March, 2009 The bolt that holds the bell crank was not tight. Price: From $17.90 to $21.50. Mixture Screw 1 turn out from lightly seated. The smaller the venturi, the higher the air speed entering the engine. Post Sep 10, 2008 #1 2008-09-10T15:19. Our single carburetor Jet Boxes (737 series) are supplied with: 4 sizes of main jets with 2 each, 4 sizes air jets, with 2each. You're going to be needing some different jet sizes. Genuine Weber calibrated part. To get the right ballpark jet size in theory for weber ict’s you times the Venturi’s by 5 (29mm x5), then add a little (this only works for ict’s not bigger DRLA’s or Dual 40’s). Rebuilding a Weber 40/44/48 IDF . I have a 1972 VW bug. Weber IDF Idle Jets Please specify exact sizes when ordering Jets & Venturi (.40, .55, .50, .55, .60, .65, .70, or .75) See our jetting chart to find the right size jet for your carbs. This brings you to 150 main jet, you then plus 20 for the airs 170. Weber IDF Carburetors - Setting up out of the box So, you just got a new set of Weber IDF carburetors, and you just pulled them out of the box. My gut would say 140-150 mains but I would also never think you'd be at 10-1 with 125's and 34 vents. Newbie. Yellow73. WEBER 48 IDF: Factory Sizes WEBER CARBS, Carburettors, Jets, Emulsion tubes, Conversion Kits, Air Filters, Linkages, Rebuild Kits, carbparts.eu 152.163.201.61 writes: Heads are as cast bugpack SE's . Specs: 2110cc cb 044 heads (35.5/40) mild cam (engle 110) 009 distributor with pertronix electronic module and matching coil. I recently put a Weber 44 IDF single kit on it. Mixture Screw Less than 1 turns out: Go down on the primary idle jet … I am hoping to get pointed in the right direction to properly tune my carb. Very few parts interchange from one model to another, and exactly zero parts were used on every Weber carburetor model. Weber IDF Allen/Hex Idle Jet Holder, PAIR 44 IDF Idle: 60 Main 135 Air 175 Venturi choke tube 32 Aux Venturi 45 Since our efforts did not solve the tuning problems, in March, 2009 we decided to go back to the basics and start over. Check rule of thumb for idle jet selection on the other side of this page. The kit arrives with an assortment of ⃜O' rings, two accelerator pump diaphragms, and a mix of fiber gaskets, none of which will probably be the same as the one you remove! Weber DCOE Venturi's ... Weber 40 & 44 IDF Venturi's Venturi for Weber 48 IDA and Empi 48/51 EPC's. Cool, you think, I will just bolt 'em up and run 'em. Anyone have recommendations about proper Jet sizes or parts availability? thanks in advance. for IDFs, make the idle jet 1.25 the size of the throttle body. Price: $19.90. Venturi for Weber and Empi 48 and 51mm Carbs. WEBER 44 IDF: Factory Sizes: Single Carb: Dual Carbs: AIR CORRECTION: 1.75: 1.65: 2.00: EMULSION TUBE: F-11 : MAIN JET: 1.35: 1.60: 1.55: PUMP JET.50.80.50: IDLE JET.50.65.60: VENTURI: 36mm : NOTE: Drill 2mm Hole in each Throttle Valve of Single Carb. 44 IDF Weber main venturi. Back off the Idle Speed Screw, then turn the screw in until it contacts the throttle lever and turn it in ½ turn. Look no further for versatility, wide adaptability, easy installation, low initial cost, trouble-free maintenance, excellent drivability, increased fuel economy and improved performance. Main Jet for Weber DGV, DFV, ICT and Empi EPC Main Venturi's for 40 DCOE and 45 DCOE. Denny-----Jetting Wednesday, 10-Jan-01 01:17:35 209.156.202.109 writes: How do you guys jet your carbs properly the first time? 9. Unfortunately -- unlike some other brands -- many Weber carburetors are made up almost entirely of unique parts that are not used by any other model. Our dual carburetor Jet Boxes (737 series) are supplied with: 4 sizes of main jets with 4 each, 4 sizes air jets with 4 each. Click HERE for a diagram on setting the float level of the Weber IDF. Yeah, good luck with that. On this page you will find all currently available parts for the Weber IDF series carburetors. I ran it with the solex 34 pict carberator but it was running too lean. Main jetting ranged from 135 to 165. for ICTs, you need a 57 or 60 idle jet; for IDAs, the idle jet you need will depend on whether your carb has 2 … If you order a set, they may come to you in the ballpark, but every engine is different, even two engines built with the same parts. Weber Idf Or Empi Hpmx Carburetor Idle Jet Doctor Fixes Popping Sound From Clogged Idle Jets from Pacific Customs Unlimited your best source for Street, Off Road, Sandrail, Dune Buggy, Manx, Rock Crawler, Volksrod, or Mud Buggy VW Parts. The first issue was the linkage. PUMP JET.50.80.50: IDLE JET.50.65.55: VENTURI: 28mm : NOTE: Drill 2mm Hole in each Throttle Valve of Single Carb. Speed screw ¼ to ½ turn in after contact with lever maximum. My engine is a 1915cc, 9.5:1 comp, W110 cam, 1 5/8" tri-mill exhaust, 009 distributor, and I believe stock or mild heads. 40-44 IDF Weber jetting 40-44 IDF Weber jetting. 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