Discussion. Looking for best power if there is such a CO number. Reviewed in the United Kingdom on 1 August 2012. Classics first used after August 1, 1975 get their exhausts probed at MoT time. What is the consensus on the right, performance wise part load setting? I did a search, and it seems that most members have used the Gunson for MFI or CIS, but not Motronic. TIA . I know to keep it out of a draft, but it has been in the 20's and 30's here today. Mode d`emploi - GARDE-TA. Yes I did warm up both the car and the gunson before use. The Gastester allows you to make that measurement at home without having to take it to a shop with a gas analyzer. For those of us with fuel injected cars, the Gastester is a pretty handy little tool. CO levels in exhaust gases are not only important from an environmental point of view but also are indicative of the state of tune of your engine. 4. Reviewed in the United Kingdom on 5 October 2022. Reviewed in the United Kingdom on 31 March 2015. quite a pain to calibrate and is easily broken.would be a better item if there was an inbuilt pump to circulate fresh air to calibrate it with.i devised a way to calibrate it easier with a small hand pump but readings are easily disturbed if u accidently move the unit..i was expecting a little more thought put into this thing for the price.it works but could be so much better. This weekend I have been busy with adjusting my 2.4S MFI engine. Quote: I find my 308 2v (empty cats) runs idle of 15.8 and then runs highway of 14.2 (When I set the idle to 14.7 my running a/f ratio was in the low 13s so it is not even across the range), (You must log in or sign up to post here. I had a digital one on another car and the numbers change constantly as shift and work the gas pedal. USAG Start 516 Roller Cabinet - 5 Drawers, Windscreen, Glass, Mirror & Auto Lens Repair, VHT Flat Black Flame Proof Very High Temperature Paint (312g), Kroon-Oil Classic Monograde SAE 50 Engine Motor Oil (1L), Griot's Garage Foaming Poly Gloss 35 OZ - 1035ml, USAG Torque Wrench with Reversible Ratchet 40-200 Nm, USAG Torque Wrench with Reversible Ratchet 5-25 Nm, How To Protect Your Vehicle Against Ethanol By Using Ethomix. Gunson Digital Gastester may be used on motorcycles and other engines including single cylinder engines. Your file is uploaded and ready to be published. I did a search, and it seems that most members have used the Gunson for MFI or CIS, but not Motronic. Tried this on two vehicles but I was desperate to get both cars through retests. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. My car is a 78sc so no bung/O2 sensor. Are the numbers in the Bentley for proper CO % based on the 2.0% background (meaning the number they quote includes the 2.0% background?)? Including Painting, Electroplating, Rust Treatment & Prevention, Polishing, Bodywork, Fuel Additives and much more.. I don't know the specs. Reviewed in the United Kingdom on 14 January 2018. I know to keep it out of a draft, but it has been in the 20's and 30's here today. Click Customise Cookies to decline these cookies, make more detailed choices, or learn more. JavaScript is disabled. Did you read the manual that came with the gas tester? Helpful. All rights reserved. What is the procedure for the Motronic? As others have said, it's very fiddly to calibrate. Andy, thanks. Hook up this Gastester at home and you can . Location: Fortuna, CA. This includes using first- and third-party cookies, which store or access standard device information such as a unique identifier. I won't claim it's a "high quality" tool. As for using the unit, what are the co% both part load and idle to be set at and at what rpm should one be using for the reading? Read the instructions and follow them to the letter. If I want to add a bung can I drill and weld one of the Dansk inlets and leave my virgin SSI's untouched? The Gunson CO Gastester is not bad at all. On the Lost Coast near the Emerald Triangle. I made a wide band o2 sensor and gauge setup with alligator clips for the power, use it on VW, Porsche, I may have a bung welded on my old truck to tune the carburetor. If the CO reading is above 4.5 per cent, the vehicle will fail the test (3.5 per cent for cars first used between August 1, 1986 July 31, 1992). Anyway, product performed as it promised. You unplug the 02 sensor right below the fuel filter. Only LM1 on Motronic here. I am using the Gunson tester for years for tuning my carbs. 8.68K subscribers Subscribe 7.5K views 2 years ago #fiatpanda4x4 The Panda is getting there with electronic igniton and other parts but in this video we are adjusting the carburettor with the. The manual says the it "should be stable for 5 minutes". After 2% calibration, I then measured exhaust at idle. The literature also indicates to let the machine restabalize after the reading to see if returns to the calibration point of 2.0 and if not, to adjust your CO reading accordingly. Guys, do any of you have any experience using one of these? 10 Minutes initializing is normal. One person found this helpful Helpful Report 10 Minutes initializing is normal. Reviewed in the United States on April 7, 2022 Verified Purchase Works well for tuning vintage autos, but read and understand the directions! I am not to happy with its performance now. Now you turn the mixture screw and have to wait at least 5 min until you get accurate reading. You will only install it, so the product key will imprint on Windows 10 database. I think it was set whilst the throttle linkage rod was sticking part way open. Sorry, there was a problem saving your cookie preferences. Posted October 19, 2013 I always have problems with the MOT emissions idle test for my 1986 Lotus Esprit S3. GASTESTER - Mecatechnic. English Deutsch Franais Espaol Portugus Italiano Romn Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Trke Suomi Latvian Lithuanian esk . You'll need at least 2.5 on the meter to have the car running right. Try again. It says in manual that it mnay require 30 minutes for warmup. Your recently viewed items and featured recommendations, Reviewed in the United Kingdom on 16 April 2023, Great product and great service. Then adjust the trim to read 2%CO. We won't share your address with anybody else. I am using a Gunson gastester. Instructions for Use 4 Preparations before Use 5 Common Problems GASTESTER G A S T E S T E R Digital Exhaust CO Analyser with Pulse Pump Part No. Notice Analyseur de gaz d`chappement GASTESTER. The Gunson unit works in the same fashion as an O2 sensor. Be careful, the connector breaks easily. Reviewed in the United Kingdom on 5 March 2014. Originally my 2.4E had bad transition performance. Now showing at 1.8% after an AFM change and will get booked back in for MOT next week! 0% Finance available on baskets over 99 with PayPal Credit. Customer Reviews, including Product Star Ratings, help customers to learn more about the product and decide whether it is the right product for them. It's drawback is that the response is slow partly due to the length of hose to the meter housing and the smallish hose size. Personally, I always like to use a standard in order to base any thing against Just to make sure, is the 7-8% part load setting JW is referring to under load or standing still ( I measured mine under load, with the gunson on the passengers seat). We use cookies and similar tools that are necessary to enable you to make purchases, to enhance your shopping experiences and to provide our services, as detailed in our Cookie Notice. I have read some people have set theirs to 3.5% CO but I cant remember if those were late CIS cars with O2. I had a Gunson for awhile. I set it to 4 at 2500 rpm/7degrees throttle valve, as per the manual. Using Gunson's Gas Tester to test CO% on a 5KW Chinese diesel heater.It runs in a 50% mixture of cooking oil (etc) and diesel.So.follow-ups and more things. Do not post these threads in any other forum. I highly recommend the Gunson Gastester to those who can read, understand, and follow the user manual. I set it for both idle and at 2500 rpms. I could only get this to work when connected to separate 12v battery. ). BTDT, sold that. A digital carbon monoxide tester for quick, easy checking of levels after engine maintenance work and tuning. Yes, power up the Gastester and let it stabilize for about 5-10 minutes. quit messing around with outdated book specs and set the idle to 7-8% if you ever want it to run right. You can change your choices at any time by visiting Cookie Preferences, as described in the Cookie Notice. Accurate to within half a per cent, the Gastester can save you money on petrol, too. "Far better it is to dare mighty things, to win glorious triumphs, even though checkered by failure, than to take rank with those poor spirits who neither enjoy much nor suffer much, because they live in the gray twilight that knows not victory nor defeat". I'm going to try running it from a battery charger and leave it to warm up for 20 to 30 mins which will hopefully help. Just used on the Porsche which failed at 5% CO and wouldn't adjust. 3. Third parties use cookies for their purposes of displaying and measuring personalised ads, generating audience insights, and developing and improving products. I won't claim it's a "high quality" tool. I'm about to pull the trigger on an LM-1. Only stationary anyway. Mentioned Products: - Gunson Advance Xenon Timing Light (http://www.frost.co.uk/gunson. Going to try and finally get my mixture right tomorrow. This page works best with JavaScript. I remember reading somewhere on the internet about the setup when I was looking into it for ours. Easy to assemble for use - sample pipe is surprisingly short! G4125 Handbook Table of Contents I set my 930 CIS to 3% at 900 rpm. Calibrates in air, no moving parts to wear out and no filters to change. I believe the gastester will be damaged if used above idle. I have the Gunson Gastester. 2023 MOTORSPORT NETWORK. I have read on this board that 7% CO stationary at 2500 rpm and 4% at idle are proper values. Gunson gas tester tips. Gunson Gastester. quite a pain to calibrate and is easily broken. Only thing I would improve is to get reading faster. Report abuse obie1somebody. In the case of the Gunson's Gastester, that consists of leaving it to warm up for 15 mins with the probe in the normal atmosphere (i.e. Are the numbers in the Bentley for proper CO % based on the 2.0% background (meaning the number they quote includes the 2.0% background?)? By browsing this website, you agree to our use of cookies. 0.77% is too low though. You can fool around with a Gunson, but that is what you will be doing. Renaldo. I am going to give this a second chance with a replacement, but I think I am going to lengthen the sample pipe a lot to allow the gas to cool before entering the pump, and live with the delays on the readings Tool works fine. Are there any ambient temp limits on the using the Gunson? Tool works fine. Gunson Gastester. Reviewed in the United Kingdom on 20 May 2022. I have an AEM broadband air/fuel gauge in my 1982 sc and it is very helpful in allowing me to see and adjust idle mixture, but in addition it provides info on mixture at cold start up and to see the mixture transition as the engine/ O2 sensor (the one that drives the cis system) warms up. BLACK (-) clips to the vehicle's 12 V battery (Do not use this Gastester with 6v or 24v batteries) 2.The probe should be fitted to the instrument but do not insert the exhaust . Broken compression rings??? Used the Gunson on my 2.7, dialed it spot on, thing ran like a Pro Stocker, use it correctly and its a fine tool for CIS. I know you have a Gunson, but the modern and more scientific way to set up a 911 or any car is with a modern wideband oygen sensor system. As stated above it is very slow and not very accurate, but if you are patient enough it delivers usable results. Original Poster. INTRODUCTION Carbon monoxide (chemical symbol CO) is a colourless, odourless, but extremely poisonous gas that is present in the exhaust gas of petrol-engined vehicles.The amount of carbon monoxide in the exhaust gas is an accurate indicator of the airlfuel mixture Bump. It is a simple TCD that calculates %CO. I don't really trust the. Only thing I would improve is to get reading faster. Pelican Parts Catalog for Porsche, BMW, Mercedes-Benz, MINI and More. Do I need to also buy the fancy tailpipe sensor holder and if so is that going to fit in the curved output pipe of a Dansk muffler? 138 months Thursday 22nd December 2011 . Low compression??? The Fora platform includes forum software by XenForo. timing 35 total. Discussion in '308/328' started by ztarum, Apr 6, 2012. If you agree, well also use cookies to complement your shopping experience across the Amazon stores as described in our Cookie Notice. not next to a running car), and then setting the CO level Gastester is used for the testing and setting of all carburettors (petrol, leaded or unleaded) and petrol injection systems on any vehicle. It also analyses reviews to verify trustworthiness. A couple weeks ago I had to smog my car. My understanding is, if it reads 1.8 that is the actual CO. Pelican Parts Catalog for Porsche, BMW, Mercedes-Benz, MINI and More. One person found this helpful. Condensation will block the tube so keep and eye on it. Gassing Station | TVR Classics | Top of Page | What's New | My Stuff, 1998 to 2023 CarGurus UK Limited, All Rights Reserved, PistonHeads is a registered trademark of CarGurus Ireland Limited, CarGurus UK Limited, c/o Legalinx Limited, 3rd Floor, 207 Regent St, London W1B 3HH, United Kingdom. Reviewed in the United Kingdom on 17 November 2016. During the calibration you do need to make sure it's in clean air so don't try to calibrate it on a workbench next to a running motorcycle. Buy Spanish Food Online at Spanish Passion Foods & Wines Ltd. Order Tapas Home Delivery Online Tapas Fusion. Disabling it will result in some disabled or missing features. It's actually somewhat cheaply made and delicate but it seems to work. L400RAS, on May 22 2011, 10:27 AM, said: Don't add any readings to the baseline figure. EN. 1 - Pole Shift Survival Information. Reply OP Posts Only. It's quite long set up time going by the instructions but once purged it i ran the test on warm engine and the result was quite high at over 7%!! You can edit your question or post anyway. 12V DC battery supply required. In this video I use a Gunson Gastester to check the exhaust CO content on a 1972 Mercedes 350 SL. Hope not, I told thesupplier how I intend on using it, his problem, refund!!!! To learn more about how and for what purposes Amazon uses personal information (such as Amazon Store order history), please visit our Privacy Notice. For a better experience, please enable JavaScript in your browser before proceeding. It's actually somewhat cheaply made and delicate but it seems to work. an302 Tool works fine. EN. They did send instructions to reset the workings, which I should not have to do. Video nopeutettu 2:53 asti (laitteen stabiloituminen kest siihen asti). POCKETMETER 2 - Machine Mart. 1996-2022, Amazon.com, Inc. or its affiliates, Learn more how customers reviews work on Amazon, See all details for Gunson G4125 Gastester Digital. Connect the red and black clips to the vehicle's battery (red . FAUL T CODE READER. The clear plastic pipes won't stay on mine so regularly needs re-connecting. I'd think the OP could make an adapter for his test port and, as long as it's properly snug and well-fitted, not suffer any ill consequences. May 1, 2010. MFI should be the last thing you touch. The Gunson is set to a background of 2.0%. Will it be alright to use after a 30 minute warmup. Make sure the pipe has a steady flow back to the unit. I have a similar annoying stumble at about 3200 rpm on my 69S. GASTESTER GASTESTER Digital Exhaust CO Analyser with Pulse Pump G4125 Supplementary Information www.gunson.co.uk. The calibration will be a bit off. Bought one on eBay it arrived yesterday. The Gastester allows you to make that measurement at home without having to take it to a shop with a gas analyzer. Figure I would rather 'modify' the dansk. Because of that slow response, it's somewhat difficult to accurately monitor the A/F while driving. When connected to running car battery display goes off. Posted 22 May 2011 - 09:35 AM. f 1. It says in Bentley to measure the CO with O2 sensor unplugged - OK, (sheepishly I ask) where exactly do I unplug my O2 sensor from? People dont like to listen your car idling for an hour!! By that I mean I would check it yearly or whenever I made changes that might affect the mixture. Let us know what you find. If it is a good thing to have, which method works best, the Gastester or the Colotune? Follow steps below: Installing to windows 10 using old product key. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Gastester or Colortune? Are there any ambient temp limits on the using the Gunson? Author. Heating time is quite long, about 30 min. Reply | Report as offensive | Link Fri 14 Apr 2006 20:42 We will inform you when the product arrives in stock. Pelican Parts Catalog for Porsche, BMW, Mercedes-Benz, MINI and More. The Gastester runs about $170, and the Colotune about $70. oops I forgot to mention you start the "sniffer" at 2. do this in an area free from exhaust. The MOT numbers for CO at 2000rpm is too low at 0.124% to 0.265% which could be causing the high HC. Anything else would be way too rich Go through the MFI check measure and adjust manual for the 10 commandments. Thanks Walt, I've heard that but wasn't sure. They cost about $200, but often less, and are accurate enough for this purpose. Aug 6, 2005 Some one at work was asking me about the Gunson Gastester the other day and wanted to know if I had used one. Try that and see how it runs. Steve..can I install a bung on the muffler inlet pipe? It sometimes fails the idle test on high HC but passes the test at 2000rpm. When it was tested, the expensive smog station equiptment came back with results within .01 of the Gastester. What do you mean by bad holes??? Merk Kane Type 4-4. ?Please elaborate. http://www.pelicanparts.com/techarticles/911_MFI/TipMFI.htm, Pelican Parts Catalog for Porsche, BMW, Mercedes-Benz, MINI and More. Just leave your valid email address below. English Deutsch Franais Espaol Portugus Italiano Romn Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Trke Suomi Latvian Lithuanian esk . Visit http://www.frost.co.uk for more information or buy the products. 5. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. I have a couple of question about basic use of the LM-1. Maybe it works for others, but my review is not positive. Easy to switch out or even print your own on say vinyl sticky label paper. Is this a worth while investment, or just smoke and mirrors? Unit has potential for the occasional use, for instance a tweak just before MOT, but build quality is suspect for more sustained use, especially the sticky pads holding the pump on, and I think the short sample pipe has the effect of allowing too much exhaust gas heat to get into the pump - many classics have quite high exhaust temperatures at the tailpipe so it could be something to bear in mind when buying this tester. Proper calibration is key - this isn't a toy, you have to think about how you are using it. I have to get the "really messed up" TPS sorted first. Funny how many of my mates borrow it as well! They cost about $200, but often less, and are accurate enough for this purpose. In use, the device is a bit finicky as it require a calibration in air before testing the exhaust followed by a revalidation of the cal. The tail pipe bung facilitates set-up for the LM1, you run the O2 sensor from the bung you need to route the harness into the cabin. Are you sure you want to delete your template? The Gunson is set to a background of 2.0%. (2) Place the assembled Gastester on aconvenient flat surface close to the vehicle's exhaust pipe outlet. Yeah that is way cool. Thanks I finally started from the basics and did a compression test and found 2 bad holes. First off, any mfi adjusment for part load while the car is stationary cannot be taken as per the guidlines in the book. Car is 1983 with stock 3.0 and CIS. All rights reserved. If the CO reading is above 4.5 per cent, the vehicle will fail the test (3.5 per cent for cars first used between August 1, 1986 - July 31, 1992). The problem is once it wears out the moisture . That would have to be a standing still reading. Performing this action will revert the following features to their default settings: Hooray!