Reviewed in the United States on April 7, 2022 Verified Purchase Works well for tuning vintage autos, but read and understand the directions! Only thing I would improve is to get reading faster. Mentioned Products: - Gunson Advance Xenon Timing Light (http://www.frost.co.uk/gunson. My car is a 78sc so no bung/O2 sensor. Are there any ambient temp limits on the using the Gunson? My understanding is, if it reads 1.8 that is the actual CO. Gastester or Colortune? I set CO level to 2,4%, and in mot it was 2,77%. However, for the home shop where time isn't "mission critical", I believe you can get similar results with a unit like the Gunson (based on what I have read)- according to our host the LM-1 is $450-$500 vs. $199 for the Gunson. Adjusting the Carburettor with the Gunson G4125 - YouTube They did send instructions to reset the workings, which I should not have to do. 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. I remember reading somewhere on the internet about the setup when I was looking into it for ours. Come join the discussion about performance, modifications, troubleshooting, superbike racing, maintenance, and more! The Gastester allows you to make that measurement at home without having to take it to a shop with a gas analyzer. Performing this action will revert the following features to their default settings: Hooray! Better used for stationary testing. 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%!! 3. The Gunson Gastester in repeated tests proved to be accurate to within half a percent. Only logged in customers who have purchased this product may write a review. Unit then read 1.7 %. It's very cheaply made, and for the cost could really do with something to protect it in the garage when not in use. ?Please elaborate. http://www.pelicanparts.com/techarticles/911_MFI/TipMFI.htm, Pelican Parts Catalog for Porsche, BMW, Mercedes-Benz, MINI and More. About this item Content includes: Gas tester instrument including Calibrates in air, no moving parts to wear out No filters to change Accurate to 0.5% C.O measurement at 15-25C Instructions for use Note: Place the main body of the instrument away from the exhaust gas stream. Pelican Parts Catalog for Porsche, BMW, Mercedes-Benz, MINI and More. PDF GASTESTER - GunsonShop.com How accurate is a Gunson Gastester? - The Lotus Forums Be careful, the connector breaks easily. If you agree, well also use cookies to complement your shopping experience across the Amazon stores as described in our Cookie Notice. As others have said, it's very fiddly to calibrate. Read the instructions and it should be good, Reviewed in the United Kingdom on 31 July 2018, As people have said, its a little bit fragile but it does do what its supposed to do. 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. Anything else would be way too rich Go through the MFI check measure and adjust manual for the 10 commandments. The Gunson is set to a background of 2.0%. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. I have read on this board that 7% CO stationary at 2500 rpm and 4% at idle are proper values. Sell on Amazon GUNSON G4125 Gastester Digital Brand: GUNSON 3.9 273 ratings Currently unavailable. fault code reader obd11 gastester professional - Gunson. Bump. Gunson Manuals Measuring Instruments Gastester G4125 Handbook Gunson G4125 Handbook Gas tester, digital exhaust co analyser with pulse pump Also See for G4125: Handbook (7 pages) , Instructions (2 pages) 1 2 Table Of Contents 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 page of 20 Table of Contents Bookmarks Advertisement Quick Links x May 1, 2010. It is a simple TCD that calculates %CO. Looking for best power if there is such a CO number. Gunsons Gastester Pro Help - Problems, Questions and Technical Merk Kane Type 4-4. 311 posts. Gunson's Gastester review | FerrariChat GASTESTER - Gunson - Yumpu Follow steps below: Installing to windows 10 using old product key. Purchased the gunson exhaust tester and went through all the usual tips before using. Using Gunson Gastester on 74 2500M. I have a similar annoying stumble at about 3200 rpm on my 69S. FAUL T CODE READER. Switch off the engine temporarily while making connections. We will inform you when the product arrives in stock. 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. Including Painting, Electroplating, Rust Treatment & Prevention, Polishing, Bodywork, Fuel Additives and much more.. I am using a Gunson gastester. Posts: 5,668. It's actually somewhat cheaply made and delicate but it seems to work. According to this principle,the . 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. Content on ducati.ms is generated by its users. Third parties use cookies for their purposes of displaying and measuring personalised ads, generating audience insights, and developing and improving products. https://forums.pelicanparts.com/porsche-911-technical-forum/1060737-my-air-fuel-gauge-replace-clock-2.html, Pelican Parts Catalog for Porsche, BMW, Mercedes-Benz, MINI and More. On the CIS system there are really very few adjustments to make once it's working, and about the only one that should be checked with any regularity is the idle mixture adjustment. 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 clear plastic pipes won't stay on mine so regularly needs re-connecting. Gunson Gas Tester Mk2 | PDF | Carburetor | Throttle - Scribd You'll need at least 2.5 on the meter to have the car running right. Your file is uploaded and ready to be published. Proper calibration is key - this isn't a toy, you have to think about how you are using it. Accuracy is quite good so. Location: Fortuna, CA. Calibrates in air, no moving parts to wear out and no filters to change. I am having problems getting 7% CO at 2500 rpm. I have the Gunson Gastester. Renaldo. gunson gastester experts please - Pelican Parts Forums Your recently viewed items and featured recommendations, Reviewed in the United Kingdom on 16 April 2023, Great product and great service. Gunson`s Gastester Professional Handbook - aroundcelestial Please make sure that you've entered a valid question. English Deutsch Franais Espaol Portugus Italiano Romn Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Trke Suomi Latvian Lithuanian esk . 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. I thought it was distracting. Do not post these threads in any other forum. 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? Gunson Gastester. quite a pain to calibrate and is easily broken. 12V DC battery supply required. Buy Spanish Food Online at Spanish Passion Foods & Wines Ltd. Order Tapas Home Delivery Online Tapas Fusion. It'll drift with time but I don't bother tweaking it. Yes I did warm up both the car and the gunson before use. Mode d`emploi - GARDE-TA. Anyone use a Gunson Gastester on a Motronic car? - Pelican Parts I don't really trust the. Posted October 19, 2013 I always have problems with the MOT emissions idle test for my 1986 Lotus Esprit S3. I know to keep it out of a draft, but it has been in the 20's and 30's here today. Hook up this Gastester at home and you can check and tune your engine accordingly. MFI and Gunson gas tester - Pelican Parts Forums On the Lost Coast near the Emerald Triangle. The calibration will be a bit off. I then drove the car to emissions where I registered at idle the following. for your car. Pulled the exhaust port test plug at the front of the Cat (my car is an 83 with O2 sensor system intact). Original Poster. GASTESTER - Mecatechnic. 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? I have the Gunson Gastester. Shop Online @ AF1Racing.com Advanced Search Forum Aprilia 1000cc V-Twins: Model Years 1998-2009 ETV1000 CapoNord (2001-2007) Gunson Gastester in the US ALLFor Sale (FS), Wanting to Buy (WTB), Wanting to Trade (WTT), and similar threads MUSTbe posted in the correct subforums. Panasonic AJ-D250P DVR User Manual. The Gunson CO Gastester is not bad at all. Just used on the Porsche which failed at 5% CO and wouldn't adjust. 138 months Thursday 22nd December 2011 . Reviewed in the United Kingdom on 5 March 2014. Only thing I would improve is to get reading faster. Anyway, product performed as it promised. 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. Holed pistons??? What do you mean by bad holes??? 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). What is the procedure for the Motronic? Tool works fine. 10 Minutes initializing is normal. If setup properly before usage it gives quite accurate results. 4. Pelican Parts Catalog for Porsche, BMW, Mercedes-Benz, MINI and More. Because of that slow response, it's somewhat difficult to accurately monitor the A/F while driving. I am not to happy with its performance now. Report abuse obie1somebody. - I have separate bung for the AEM. Gunson Gastester. 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. Thanks! Gunsons Gastester | Ducati.ms - The Ultimate Ducati Forum 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). 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 5 October 2022. If you can't log AFR data on the fly you really aren't seeing what your DME car is doing; idle test is only 1/10th of the picture. 3. The MOT numbers for CO at 2000rpm is too low at 0.124% to 0.265% which could be causing the high HC. What is the consensus on the right, performance wise part load setting? This weekend I have been busy with adjusting my 2.4S MFI engine. FerrariChat.com has no association with Ferrari S.p.A. 2023 FerrariChat. OP Posts Only. EN. It says in manual that it mnay require 30 minutes for warmup. For a better experience, please enable JavaScript in your browser before proceeding. 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. Purchased the gunson exhaust tester and went through all. These are way more accurate. 5. Gunson gas tester tips - Pelican Parts Forums L400RAS, on May 22 2011, 10:27 AM, said: Don't add any readings to the baseline figure. Is this a worth while investment, or just smoke and mirrors? 1996-2022, Amazon.com, Inc. or its affiliates, Learn more how customers reviews work on Amazon, See all details for Gunson G4125 Gastester Digital. If setup properly before usage it gives quite accurate results. Just got my gastester from aep/ I am a little disturbed that the unit is so touchy. 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? oops I forgot to mention you start the "sniffer" at 2. do this in an area free from exhaust. I don't know enough about MFI to start playing with it. People dont like to listen your car idling for an hour!! 10 Minutes initializing is normal. Heating time is quite long, Reviewed in the United Kingdom on 15 April 2015. Gunsons Gastester - MGB tips mods and maintenance Only LM1 on Motronic here. One person found this helpful. fault code reader obd11 gastester professional - Gunson - Yumpu 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. Are there any ambient temp limits on the using the Gunson? 4. Reply OP Posts Only. No MFI tuning would have overcome that! 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. Yes, power up the Gastester and let it stabilize for about 5-10 minutes. This takes a good 30 minutes. You can still see all customer reviews for the product. I know to keep it out of a draft, but it has been in the 20's and 30's here today. Posted 22 May 2011 - 09:35 AM. The Gastester allows you to make that measurement at home without having to take it to a shop with a gas analyzer. Thanks for the reply Steve. 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. First time using it. 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. "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". It also analyses reviews to verify trustworthiness. Well worth money. It's actually somewhat cheaply made and delicate but it seems to work. But maybe in my case its just luck and I obtained a proper functioning one out of many from the factory, who knows. You can change your choices at any time by visiting Cookie Preferences, as described in the Cookie Notice. By browsing this website, you agree to our use of cookies. You will only install it, so the product key will imprint on Windows 10 database. I set CO level to 2,4%, and in mot it was 2,77%. Become a Frost Affiliate and Earn Commission. But to be honest Im hoping once I get the mixture set it will be a set-and-forget thing. 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. You have already flagged this document.Thank you, for helping us keep this platform clean.The editors will have a look at it as soon as possible. It seems easier to run it externally through the window. G4125 Handbook Table of Contents Gunson Gastester and Advance Xenon Timing Light - YouTube Classics first used after August 1, 1975 get their exhausts probed at MoT time. My next engine will receive AFR sensors on both banks for sure. This includes using first- and third-party cookies, which store or access standard device information such as a unique identifier. Discussion. If the device is to be used on a car equipped with cars, you would need to check to see if the exhaust would need to be sampled prior to the cats. 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. 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?)? Place the Gastester on a convenient flat stationary surface close to the vehicle's exhaust pipe outlet. Bought one on eBay it arrived yesterday. All rights reserved. The unit MUST be allowed plenty of time for the detector temp to stablize so that a uniform baseline can be established. I would like to know the answer to this myself. 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. Heating time is quite long, about 30 min. GUNSON GASTESTER G4125 HANDBOOK Pdf Download | ManualsLib I had a Gunson for awhile. 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 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. It sometimes fails the idle test on high HC but passes the test at 2000rpm. 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. Were further adjustments necessary after comparing the Gunson results to the ''lifting pin'' method? GUNSON G4125 Gastester Digital - Amazon.ca I have to get the "really messed up" TPS sorted first. Off the top of my head this could be wrong. Edited by RCK974X on Thursday 22 December 04:26. We use cookies to improve your experience on our website. This product has never worked properly, I should have sent it back, but by the time I had sorted the cars rough running , it was too late, Gunson kept telling me that the symptoms I described would not happen. Reply OP Posts Only. I did a search, and it seems that most members have used the Gunson for MFI or CIS, but not Motronic. Hook up this Gastester at home and you can . f 1. One person found this helpful Helpful Report Make sure the pipe has a steady flow back to the unit. The Gunson Gastester is a Digital Exhaust CO Analyser with Pulse Pump. Gunson G4125 Gastester Digital After 2% calibration, I then measured exhaust at idle. Chinese Diesel Heater: Testing CO Emissions w. Gunson's Gastester MK2 PDF COLORTUNE G GASTESTER - rrtechnical.info same for midrange @3000 rpm. Reviewed in the United Kingdom on 20 May 2022. I wish i could rent one just to see where my numbers are. Yeah that is way cool. A digital carbon monoxide tester for quick, easy checking of levels after engine maintenance work and tuning. Sorry, there was a problem saving your cookie preferences. I finally started from the basics and did a compression test and found 2 bad holes. INSTRUCTIONS FOR USE (1) Ensure that the car is thoroughly warm as mentioned above, that it is parked in the open air, with the handbrake applied, and with the engine running. All rights reserved. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. I bought a Gunsons Gastester years ago and it's been sitting on a garage shelf since then so i decided to test the MGB - just out of interest. Got a 78 here with no O2 sensor and nice new SSI's without the bung. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Thank you Amazon. The Gunson CO Gastester is not bad at all. 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. GUNSON G4125 HANDBOOK Pdf Download | ManualsLib quit messing around with outdated book specs and set the idle to 7-8% if you ever want it to run right. 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. Classics first used after August 1, 1975 get their exhausts probed at MoT time. If I decide to get one it would be that one. I had origianlly thought about the gunson but felt that its claimed accuracy of =/- .5% [ in lab settings] was going to bite me in the butt. The Gunson is set to a background of 2.0%. Heating time is quite long Reviewed in the United Kingdom on 15 April 2015 Verified Purchase Tool works fine. Notice Analyseur de gaz d`chappement GASTESTER. Gunson gastester mk2 instructions - United States Examples User Examples The meter is only a starting point; run the car down the road and richen it up until you are happy with it. gastester professional - ManualZilla Broken compression rings??? JavaScript is disabled. I set it for both idle and at 2500 rpms. The Fora platform includes forum software by XenForo. Now showing at 1.8% after an AFM change and will get booked back in for MOT next week! I don't know the specs. I tried tuning the MFI without much improvement. In this video I use a Gunson Gastester to check the exhaust CO content on a 1972 Mercedes 350 SL. 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?)? GASTESTER - Gunson. 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. You unplug the 02 sensor right below the fuel filter. I won't claim it's a "high quality" tool. Amazon.com: Customer reviews: GUNSON G4125 Gastester Digital Enjoy banner ad-free browsing with Ducati.ms - The Ultimate Ducati Forum Plus. The Gunson Gastester is a Digital Exhaust CO Analyser with Pulse Pump. Funny how many of my mates borrow it as well! timing 35 total. Gunson Gastester in the US - apriliaforum.com The Gunson unit works in the same fashion as an O2 sensor. 1.0 out of 5 stars Arrived in non-working order . I set my car up on a colourtune first to make sure I was in the ball park. Car is 1983 with stock 3.0 and CIS. What is the procedure for the Motronic? Quote: Only stationary anyway. 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 Part of MOTORSPORT NETWORK. They cost about $200, but often less, and are accurate enough for this purpose. Steve..can I install a bung on the muffler inlet pipe? First reading came up as 3.5% (old mini) couple of flats leaner and its down to 2.4 more get drop it a bit more just for peace of mind. Maybe it works for others, but my review is not positive. I used the Gastester with great success. Using Gunson Gastester on 74 2500M - Page 1 - PistonHeads Originally my 2.4E had bad transition performance. Gunson Gastester questions - Pelican Parts Forums Andy, thanks. Cheaply Made, Does its Job but you need to follow the instructions. To calculate the overall star rating and percentage breakdown by star, we dont use a simple average.
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