John and Paul,
I just looked up a sampling of some cars and/or trucks that have the orifice close to the condenser.
2001 Cavalier at the condenser but 2002 Grand Prix has orifice at Evap
1998 GM P/U at condenser
1996 Ford Tarus is at the condenser
2000 F150 is about half way between cond and evap.

One thing for sure, it saved the manufacturer some money. I just can't understand how.
Maybe they could use a little less freon or something. Just think of how much money they could save if they could cut the freon by 1 oz. Seems to me it would take more freon but what do I know.

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84 500 SEL (307,xxx miles)