1964 Corvette: Engineering Service Letter: Muncie Four Speed Transmission Design Change
Estimated Reading Time: < 1 MinuteThe following letter below is an internal Chevrolet Engineering Center letter that was mean for Zora Arkus-Duntov’s desk. This letter notes that approximately 20,000 Muncie 4-speed transmissions of the first design were built prior to the second design going into production.