Are the upper ball joints in a Monte Carlo SS or the 87 Monte Carlo SS Eurocoupe longer than regular Monte Carlo ball joints?

I race a metric framed car and the rules state i have to run "metric dimention" one piece ball joints. I have heard the Monte Carlo SS came from the factory with longer studs on the ball joints to correct the bump steer. Is this true? What could I get away with beings the only description in the rules... show more I race a metric framed car and the rules state i have to run "metric dimention" one piece ball joints. I have heard the Monte Carlo SS came from the factory with longer studs on the ball joints to correct the bump steer. Is this true? What could I get away with beings the only description in the rules says "metric dimention" not stock or oem?
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