1980 L82 emissions label
Race Director
Joined: Oct 2000
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From: Shamong, NJ
I don't think they stand for anything. It was just a letter code GM assigned to that label, to identify it for use with the 80 L-82 automatic.
In 68, when GM first started using the emission labels, they initially used a single letter. By 69 they were using two letters and in 80 they started using three. They even occasionally used numbers. In 1980, the emission label code for the L-82 automatic was "ADN", the Federal emission L-48 automatic was "CX", the Federal L-48 4 speed was "32", the California LG-4 (305) was "DR" and "ZW" was assigned to the L-82 4 speed, which never made it into production.
I think it was probably just a matter of GM going through the alphabet and progressively using up letters, and combinations of letters.
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In 68, when GM first started using the emission labels, they initially used a single letter. By 69 they were using two letters and in 80 they started using three. They even occasionally used numbers. In 1980, the emission label code for the L-82 automatic was "ADN", the Federal emission L-48 automatic was "CX", the Federal L-48 4 speed was "32", the California LG-4 (305) was "DR" and "ZW" was assigned to the L-82 4 speed, which never made it into production.
I think it was probably just a matter of GM going through the alphabet and progressively using up letters, and combinations of letters.
Welcome to the Forum!
Last edited by gbvette62; Aug 5, 2018 at 12:54 PM.
