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= Hilos resueltos
I have a 4g63 evo 5.. mild gsc s1 2.3.
My co is messured idle: 0.2% but my raised idle is messured at 0.8%
So i wanna lower the co abit.. afr seems to be around 14.7..
I will be trying to do my entire downpipe with heat wrap.. and ajust the maf scaling in the lower part as suggested by a friend..
Any other stuff to do?
CO is normally down to running a little rich, but you are looking at stoich' which should be clean - it wouldn't hurt to lean it out slightly more to ensure sufficient oxygen is present.
You don't say if you're running a catalytic converter, fitting a good 400 cell metal matrix performance cat' with ~14.7-15 AFR will oxidise the CO with the remaining oxygen to get CO2. There's a lot of BS about cat's killing performance, but a well chosen one will make negligible difference, especially at your power level.
Hi gord
Yes im running a euro5 cat.
