herbiemercman Posted May 15, 2016 Share Posted May 15, 2016 (edited) Hi Guys, For a few months, post my NA/T conversion i have been apprehensive about the emissions in the MOT test. I took the trouble of making sure my local garage where i take all my cars was familiar with the "default values" for non listed cars, pre 1996, which is max 3% CO2 and 1,200 ppm CO. My car turned out to be right on the limit, but they passed it, what a relief, as i had a back up plan of fitting a down stream CAT fitted, costing circa £300, as well as how much performance would i lose, and would i have to go back to my mapper etc. Some weeks after the MOT was carried out i had a chat with the garage owner, who is basically a friend of mine, he knows i would never ask any favours of him as he is quite strict on things etc and that is why i trust him, but he told me, without me asking, that the car was right on the limit and on another day it could be just under the limit, or just over, he gave me the benefit of the doubt, he knows from the past dozen MOT's i only do 2,000 miles PA in a rural environment, so he does have the "greens" at heart. Anyway, guess where i am having my MOT carried out next year. lol. Herbie. Edited May 15, 2016 by herbiemercman spelling. (see edit history) Quote Link to comment Share on other sites More sharing options...
ashloys Posted May 16, 2016 Share Posted May 16, 2016 I had a full straight pipe from turbo back on my 1JZ-GTE with no silencer or backbox or anything and it passed MOT no problem. Although what I did which apparently helps, is keep the clutch pedal released at the biting point whilst the emissions test is being carried out. Quote Link to comment Share on other sites More sharing options...
Pete Posted May 16, 2016 Share Posted May 16, 2016 I had to sweeten the MOT tester to get mine through. Quote Link to comment Share on other sites More sharing options...
Shane Posted May 16, 2016 Share Posted May 16, 2016 I had to sweeten the MOT tester to get mine through. Normally the best approach. Apparently, mine had identical readings to the Renault in the test bay next to mine. Quote Link to comment Share on other sites More sharing options...
herbiemercman Posted May 16, 2016 Author Share Posted May 16, 2016 I know the rules are the rules etc, but if you look at "the big picture" and compare any mk4 Supras,for polluting the atmosphere, and the miles they cover etc, then this reminds me of the pollution laws they introduced in Blackpool where they were pumping tons of sewage into the sea, BUT you could be arrested for peeing out of your small fishing boat. lol. Herbie. Quote Link to comment Share on other sites More sharing options...
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