The California testing exemption is for vehicles 30 years or older.
Vehicles are required to meet the emissions standards in effect at the
time of manufacture.  A 49 state (federal) vehicle is not required to
meet California standards.  A 1986 vehicle is not required to meet 2003
standards.

Mike Snow

Jason Milam wrote:
> I think the screws have been tightened a bit. It's at least safe to say
> that
> California 2003 emission stadards are a lot more stringent than Montana
> 1980
> standards.
>
> It is my understanding that in California smog testing is not required for
> vehicles over a certain age (I think 25 years).