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- Gunsons gastester professional manual manual#
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(Used to richen it up after, it ran smoother!) I found that it payed to let it warm and settle, adjusting as necessary, for as long as possible. Join today for free and get 30 of instant benefits including a 10 off your MOT, FREE 10 point car check (worth 15) and a 5.
Gunsons gastester professional manual pro#
Before the MOT, (pass level below 3.5%) I used to set the mixture at about 2 to 2 1/2% The official test figure was always 1/2% above the Gunson setting. Firstly I used the Carbtune Pro manometer to test balance of the carbs but none was needed (very simple to use). Fri 18:53 gunsons gas tester - mjm Yes, I have a green one with the digital display. 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. The later digital one is even better and i have one at work.At the side of my proper machine the results are excellant and can certainly help you get a cat equipped car through the mot,and you can use them outside powered off the car battery. (P.s.Fri 14:05 gunsons gas tester - bell boy I have but to be honest with all the cars now needing cat tests the old analogue is not accurate enough for this but if you work with pre 93 cars of any type then so long as you follow the warmup period and make sure the pickup pipe is clear then it is 100% accurate if a little slow to show the true result if accelerator is blipped. I did think it was almost impossible to get it even close to 2.4% but there was a sweet spot around 4.5 ish where it was happy. Sweet, that's really handy to know, I set it today at 2.4 and it runs much better but if what you are saying above is right then i'm still 2% out. The thing I did notice is you really do have to following the intstructions about letting the machine settle down for a good 10 mins before using it. There's a chart that explains it in the instructions. 3.9% CO gives 400ppm HC, but 2.4% CO gave 700ppm HC. Also I think that if you set it any lower than this the HC starts to go up - mine did.
Gunsons gastester professional manual windows#
Shop with confidence on eBay File size: 1874 Kb Version: 7.8 Date added: Price: Free Operating systems: Windows XP/Vista/7/8/10 MacOS Downloads: 2662 Gunson historically had been renowned. Find great deals for GUNSONS Gastester Mk2 Complete With Instructions.
Gunsons gastester professional manual manual#
As stated above this was right on the edge of how low you could go before the exhaust idle note started to "puff" every now and then. Gunson Gastester Mk2 Manual 4,2/5 5625votes. The three parts of the oil ring were free to rotate together, but due to gumming were stuck together the gaps were in line. Next time I will calibrate to 0% in air.Īnyway allowing for my adjustment above it went thru the test at 2.4% - spot on what I was aiming for. No - they said - the instructions are still good.Īnyway all I did was take 2% off the readings. The tester is calibrated in air to read 2.0% so I figured the instructons in the box were out of date. GunsonS Gastester Professional DI SCARICO CO gas & Analizzatore del motore-Boxed. I know this because the only thing the mini failed on was emissions and I had to get it fixed - and I wasn't paying somebody else to do it.Ĭross calibrating against the mot emissions machine I found that the tester reads 2.0% high. I bought one of these gas testers a few weeks ago and found that it is brilliant - except for one small point - it reads exactly 2.0% high !
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