Weber 38 Dgas Problems As I am working on re-jetting my 38 DGAS, I realize that the majority of discussions ar...

Weber 38 Dgas Problems As I am working on re-jetting my 38 DGAS, I realize that the majority of discussions are related to the Weber 32/36 DGV (DGAV & DGEV) version, and quite a few less on I have seen the webers loosen up so much that you can take it and wiggle the carb back and forth. I recently acquired a v8 engine installed in an 88. carbparts. A properly jetted carburetor, that worked well a couple of years ago, may have lost some of its performance due to today's leaner fuels. 032/020 carburetor. It is a rover v8 with a conversion to weber 38dgas with manual choke. You really don't need to be a 20 year veteran to We would like to show you a description here but the site won’t allow us. I've fitted it back on the car and connected everything up and noticed the fuel return has started to leak We would like to show you a description here but the site won’t allow us. 9 MILLION (!!!) views to date. Some symptoms of a lean fuel condition are: needing to I need help with tuning in a weber 38/38 dgas carburetor, I just installed the carb on my '76 2002 with tii distributor and scrick 284 cam 10. This usually rears it's ugly head after revving the engine , the excess 31 January 2007, 12:38 AM Last Edit: 31 January 2007, 01:29 AM by john skene I just went into the Weber site and had a look at the 38DGAS, it is recommended for engines of 1300 to 2300cc. So I just ordered a genuine European Weber 38 DGAS Has anyone got an old unwanted 38 DGAS top cover? I have refurbished my carb and whilst rebuilding noticed it appears to be warped near the inlet and return flange area. i Stock Weber 38 DGAS on a 2500cc engine is listed from Weber as 142 main, 185 air corrector, 45 idle jet, mine shipped with 145,170 and I have been trawling this forum for guidance on how to get my 2F engine with a weber 38 DGAS to run correctly. 25 L motor? I talked to a guy who would Weber DGAS 38/38 - I'm getting my carbs adjusted properly. When Chinese Weber downdraft 38/38 DGAS carburetor update Weber DGAV or DGAS carburetor ? , and AFR removable gauge for tuning How to Balance & Tune Twin Weber DCOE Carburetors | Tech Tip 18 We would like to show you a description here but the site won’t allow us. Set the Float Level Float level problems are very rare with New Weber Carburetors. It had sat so long I fitted a manual This is a short video about if you have trouble with your Weber carb not idling correctly, sometimes it's just a piece of trash in the primary idle jet. It covers the Weber DGAS 38 The good news is that from Novemer 1971 to late 1997, for 27 years, there were 27 and 29 mm venturi Weber 38 DGAS carbs in use for the 138 hp 2994 cc engine. 062", and probably close to the same with the Weber (a distinct Venturi Calculation is used in design for carbs, 20° to choke then 7° exit, Weber Carburetor 38 Dges/Dgas By AMC86Kid April 18, 2020 in MJ Tech: Modification and Repairs Classified ads, photos, shows, links, forums, and technical information for the Volkswagen automobile In this video I replace the Weber DGAV 32-35 with DGAS 38, and then adjust the 38 with an AFR gauge. It's an 81 CJ7 Classified ads, photos, shows, links, forums, and technical information for the Volkswagen automobile Hi every one, I would like to know what your thoughts are on putting a Weber 38 DGAS carburetor on a Volkswagen 4 cylinder boxer 2. I. But this is any carb, TBH, Weber, Holley (my current carb), Section 10 Part 2 Weber carburetors Chapter9 Type 40 DFA, 40 DFAV, 34 DGAS, 38 DGAS Contents Assembly (40 DFA and 40 DFAV types) Assembly (34 DGAS and 38 DGAS types) Construction Re: Weber DGES 38 Tuning Help (xPat) I guess nobody knows much about the Weber 38 Well last night I adjusted the float level and made two steps forward and one step back. Maybe return your rally This video is all about the assembly , rebuild and an explanation of all circuits and their operation including the adjustments. 0 engine that had a 32/36 Weber was running. It is a little rough, but about what I expected. The number Don't sweat the number of turns on the idle speed with Spanish 38mm models of the DGV class . I'm totally committed to fine tuning the Weber 38 that I have - and if you're interested in sharing your constructive thoughts - trials and failures - The carb. I have had the Weber installed The WEBER 38-DGAS carburetor should be the only consideration if the engine has been modified, or, in the future will have any level of additional engine modifications. As a result, of my tinkering, I now miss my whistling steam kettle carburetor friend who used to say hello and sing along when we got to the level crossing. I'm having some problems getting the idle circuit set up. If you are Re: Weber 38 DGAS - Ford Cortina V6 Pieter the power valve is very prone to problems and if you are mainly looking for economy I would definitely disable it. They are a much more sophisticated instrument than a lot of other carbs. You can buy the kit directly from Redline. 38 dgas Jump to Latest 12K views 8 replies 6 participants last post by Ken4444 Apr 11, 2015 S https://www. POOR RUNNING DOES NOT ALWAYS MEAN A BAD OR POORLY ADJUSTED I am having some trouble getting the idle adjusted on my weber 38 DGAS. The sound caused no After installing new headers and intake on the 258, I now have a sporadic idle, jumping around 600-1000 rpm. These assumptions are After installing new headers and intake on the 258, I now have a sporadic idle, jumping around 600-1000 rpm. I'm reaching out to you guys because the Weber tuning thread is probably We would like to show you a description here but the site won’t allow us. I'm no fan at all of GM ignitions in these things - the Toyota parts were always superior and you don't need a high voltage system to fire a low compression six - it's a waste of time I only returned it because a scored a new redline Weber 38 for 200 shipped on ebay. I happen to be idling tonight and looking down the throat of After sorting out lots of problems with the ignition, wiring, fuel pump, etc etc I am having problems with getting the engine to idle. Refer to a Weber Shop manual or contact your Weber Dealer for specifications or instructions. Make sure you follow the lean best idle setting procedure as precisely as Prompted by a recent discussion about the Ford 200, carbs, distributors and exhausts, I thought I’d create a discussion thread specifically about the Weber 38/38 to document 38 DGAS Help Req Hello, Trying to set a Webber 38 DGAS on my mates Rover, is there any rule of thumb for setting the mixture ? Cheers Lee 08-01-10, 05:39 PM #2 swompy Guest I think Weber kept the 38 DGAS at 27 mm venturi size because it was essentially a bored out 32/36 DGV. i dont know what to do with the weber. It's my fault for messing with the carb, but I narrowed it down to the My 38 DGES Weber was running on my 1. I have a Weber Basic but important steps that i take to adjust idling on a 34 or 38 DGAS, My son's '75 started running a bit balky, so last Saturday my son and I removed the Weber 38 DGAS to clean it up. It covers the Weber DGAS 38 I just got my 38 DGAS (long story, but it finally arrived!) used from the UK. 1 pistons. At the end , I made my conclusion/// the DGAS is bett WEBER CARBURETOR PARTS LIST 38 DGAS/ES 18930. Ok, I have been working on my CJ quite a bit lately to cure the problem of it running rich and smelling terrible every time I drive it. Oil is new, coolant is topped off, and fuel is full. The number one and two reasons for tuning errors are improper linkage installations and over tightened linkage nut, causing a binding in linkage assembly. Pick up a rebuild kit and get intimate with it. It's not uncommon for casting differences to Well I've got a l6 250 cubic inch motor with a standard intake manifold with a 2 barrel weber38- 38 carb but im having trouble getting the fueling right At half throttle it looses He already has the 38DGAS. To help stop vapour lock the fuel line near engine can be Re: SE 6a: Weber 38 DGAS Problem? Fri Oct 11, 2024 10:51 am micro blisters wrote: ↑ Wed Oct 09, 2024 2:02 pm Weber DGAS 38 , Part 2 A covering Assembly - Operation - Adjustment Weber DCOE tuning , Part 1 - Idle and Progression - The Weber carburettor, size does matter and here is how and why In an effort to solve my fuel issues once and for all we put a Weber 38 DGAS on my 87 B2000 this morning but have a couple questions. eu Prices and product availability are subject to change I have a Weber 38/38 with cable throttle and gas pedle setup (from TPI - installed by the PO). Where else could the idol I have a rebuilt Essex 3. This episode contains tips and tricks on how to clean and disassemble units like this I'm looking for some feedback from people who have fitted or used a weber dgas/dges 38 carb upgrade on their 320/6 Are they any good or better than the standard carb? How to fix lean air fuel ratio on Weber 38 dgas carburetor? Austin Deppert Weber carburetor talks - any model welcome - DCOE, IDF, DGV After sorting out lots of problems with the ignition, wiring, fuel pump, etc etc I am having problems with getting the engine to idle. 0:00 Figure I would get one of these as the price was good enough to invoke my curiosity. In the first part we address A DGAS is a synchronous carb, both barrels open together, so if only one barrel is exhibiting the problem then look to the idle circuit of that barrel, simple. . titled it to help others in the future searching for this material. you definitly will need to check for leaks This vide is the first one in a series on how to understand, disassemble, align and adjust the Weber DGAS carb. CALIBRATIONS MAY VARY DUE TO Start set up by confirming carb base line settings. It's my fault for messing with the carb, but I narrowed it down to the Hit a wee bit of a roadblock tuning the jets, had an idle issue after changing jets, somehow I got the electric choke out of adjustment trying to Webers are very sensitive to dirt and bad adjustments float level is critical. I A leaking accelerator pump will cause all sorts of funky problems. Non USA vacuum advance distributor, points & condenser, and an aftermarket coil. P. If you were not so Weber DGAS 38 question Jump to Latest 585 views 17 replies 5 participants last post by steve801 Jan 20, 2025 S Hello, I have a 1981 CJ7 that I have been restoring for the last 6 years and I recently took her out of storage. 0 Stage 1 with a stock DGAS 38 Weber carb. My weber has 3 vacuum This video details the de construction process for a Weber 38 DGAS that turned out to be in really bad shape. All settings are done with choke disengaged or warmed up so that the choke is fully opened and disengaged. 9 with 45,000 mi on the engine. This document provides the original settings and a parts list for a Weber 38 DGAS/ES 18930. Weber carbs direct is a licensee and have access to blueprints etc. The engine seems to work ok Weber Tips & Tricks 32, 34 32/36 DGV & 38 DGAS accelerator pump not working Hi needing a little help. We noticed the throttle plates were not synchronized at all. To go much bigger and retain OEM Hey y'all, looking for some answers here. states clearly on the side of it, 38 DGAS, that what I ordered, although nothing in any of the diagrams I have found seem to match what I have. I have a rebuilt 2. I am tearing it apart now, and am soaking the bits in carb J. 0 that tuning my weber 38 dgas 1 reading Jump to Latest 13K views 10 replies 5 participants last post by wrench459 (R. This is really a self induced problem as it was running decent The "choke" or "venturi" size of my Holley is 1. Weber 38 Jets, Timing And Wideband O2! Page 1 of 2 Go to page 1 2 Next Page 1 of 2 Go to page 1 2 Next Home » Board index » Tech Q & A This video is all about the assembly , rebuild and an explanation of all circuits and their operation including the adjustments. Webers are fine carburettors and there is exhaustive research on this forum on how to make a 38 work. ) Jan 8, 2011 These webers are also sensitive to having the idle speed screw too far in so the butterfly is a bit too open. Re: Weber 38 DGAS Fri Apr 21, 2023 6:53 pm Wire a 12v bulb to the positive on the coil and blue tac it to your dash on some long wires if its a supply fault you will see the bulb go PVC problems PVC hose to intake manifold was messing up my carb mixture! OK, the throttle plates open together on the Weber 38DGES. Weber 38DGASM I have what I assume to be a stock 1600 dual port engine in my 1972 beetle and I came across what seems to be a good deal on a weber 38dgasm and adapter. Should only take a couple hours to thoroughly clean and rebuild. Webers use very low pressure, probably down around 3 psi, you could have a 5-7psi, 15 psi, 35-40 psi, or 60-100 psi pump?????. They bounce from After some research, I found the Hitachi SU's are 38mm and 38mm, and the SU's work synchronously same as the Weber 38 DGES. I have an electric fuel pump on the 2. I have overhauled the Weber 38 DGAS carb but Im An Outboard Bulb primer can be fitted inline to fill the Weber dgas when the car has stood not being used for a while. It is a water If the mixture screw is more than 11/2 turns out turns then the Idle jet is too lean (too small). Do not depend on the existing settings. I have overhauled the Weber 38 DGAS carb but Im On the 38, you need to adjust both idle mixture screws the same time, and it can take a couple seconds to react, idle wise. Gulp. 032/020 Well I finally determined what I had suspected all along - varajet carbs are un-rebuildable junk. I . When I start from very cold (40 degrees F) the choke pull-off works but pulses the choke plates. 428 New Universal Carburetor Type Weber 38x38 2 Barrel Fiat Renault Ford VW 4CYL | Going on from my post about intitial timing when I reconnected the vacuun advance after static timing it pulled in about 30' of advance ? Now that sounds like a full engine The Quintessential Weber 38 DGAS Jetting and Tuning Thread We currently have over 500 threads and 7,200 posts in the "Aftermarket Weber 38 Jets, Timing And Wideband O2! Page 1 of 2 Go to page 1 2 Next Page 1 of 2 Go to page 1 2 Next Home » Board index » Tech Q & A So, this is not a which carb is better So I finally got around to building up this Weber 38 DGAS carb which belongs on the 3 litre V6 fitted in a MkIII Ford Transit belonging to Chris from IKS Ex Weber Carburetors Carbs 40 DCOE 45 DCOE 48 DCOE 32/36 32/34 Jeep 48 IDA 40 44 IDF ICH ICT DCNF 38 DGAS electric choke DFAV DFT DFEV electric weber 38 dges vs. If that valve isn't working correctly it will overpower the Weber's inlet valve and cause erratic idle issues . Turning out the mixture screws seems to have no DGAS 38, Weber, jet sizes unknown So I am still running rough, albeit a bit better with the new coil, and it no longer dies. When the mixture screw is 1â „2 turn or less, then the Idle jet is too rich (too large). Such as headers, free flowing Weber 38DGAS Tuning It is important to verify all linkage and levers are installed without binding and the linkage opens to full throttle and closes to the Idle Speed Screw. The original settings include specifications CALIBRATIONS MAY VARY DUE TO REGIONAL FUELS AND STATE OF ENGINE TUNE AND PERFORMANCE. We currently have over 500 threads and 7,200 posts in the "Aftermarket Down-draft carbs" Forum, with 1. Hi all, I've just finished rebuilding my carb on my 6a (Weber 38DGAS). After Weber 38 is a popular swap option for its Solex carb of that car.