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I took mine through a large state inspection station, about 7 lanes!
When my car was dyno-tested, they rolled out a large, industrial strength external fan and placed it in front of the radiator, but I don't think all the cars that went through were treated to the fan! In fact, I'm pretty sure they DIDN'T use the exernal fan when they tested my kid's RWD '88 Merc which is equipped with a mechanical fan which varies directly with the engine's speed. I'm not sure that the sort of airflow that you get at highway speeds is the same as that provided by the car's electric cooling fans, which I think run at a constant speed. Has the tech done emissions testing on a Volvo before?
-Punxsutawney Phil
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