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The letter "Z" in anything concerning GM stands for Zora Arkus-Duntov. He was the GM engineer that in the late 1950's developed the corvette's performance engine & suspension. He retired in 1975 but his impact was so great that in 1981 GM built a limited edition corvette named the Duntov Vette. He was also instrumental in making the Camaro into the Z-28 and the Firebird into the Trans-Am. So whenever you see the letter "Z" on any GM car or truck, that is GM's way of honoring Zora's work.

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15y ago

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