Quote:
Originally Posted by jwzimm
My emissions equipment was fully intact.
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Perhaps.
If it was a bigger turbo (I don't know if it was or wasn't) you changed the mass flow rate and hence the amount of substance, i.e. exhaust, that was passing through your system. You did, in fact, change the entire system of which the emissions equipment, is only one part.
I can't speak for passing an emissions test but higher turbo velocity generally equals more exhaust flow, to a point. My engineering is running out here, as it was 25 years ago. Someone else can chime in.
Cheers-mk