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Old 01-31-2013, 02:24 PM   #6
Scooby Newbie
Member#: 103757
Join Date: Dec 2005

Thanks for the help. I live in Colorado, and they test our cars on rollers with a sensor in the tail pipe, so it is the actual effect on emissions that I am concerned about. The visual would not be the issue.

And this would be non-AVCS cams going in a non-AVCS WRX. But I would be putting them in D25 heads.

I am leaning towards something that is even less aggressive like the GSC stage 1 cams, but they aren't sure how much they would effect emissions either.

I may call Cosworth as well just to see. I suppose that if someone has passed California emissions with 272 cams, then I should be okay with 266's, but you never know I suppose.

I will post back if I find anything, but hopefully someone will chime in with actual experience.
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