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Emissions with carbs



What kind of state actually checks old cars, and does not know that the car is supposed to have fuel injection???

Whatever...

There are a couple of things you can do...

First, re-jet the car to run more lean at that point. Not knowing Webers very much, its hard to say which adjustment to make, but I would bet that you'll find the transition between the idle system and the main system. Just running lean will be the biggest contributor.

Next up, if you can't run any more lean than you are, start retarding the spark. That will lower both CO and HC at the same time.

Good luck, it won't be easy...

Eric Storhok
Ann Arbor, MI

AROC Detroit Homepage: http://www-personal.umich.edu/~alfa/index.htm
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