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NOx
Posted by DrewP [Email] (more from DrewP) on Wed, 29 Nov 2006 19:01:17
In Reply to: Re: Performance exhaust question-, Turbo00, Wed, 29 Nov 2006 08:50:06
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(I have heard that) with no cat, you have to have a basically absolutely perfect tune to get the NOx numbers low enough to pass, and on this vintage car with carbon buildup, sensors probably not working absolutely 100%, etc. I believe that you can get pretty close, I would actually be interested to know what the numbers are with no cat just for my own curiosity.
What I do with my performance 900 us just switch in a cat when I have to get emmissions tested, you could consider this as well. My cat then sits basically brand new for two years indoors, waiting for the next test to roll around, then I know it will be good and do it's job, and can hunt around for other culprits come NOx numbers too high.
Best,
Drew
posted by 199.74.94...
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