[67L78conv]

Standard transmission with the L78 in 1967 was the M13 heavy duty 3 speed manual transmission but dealers very heavily pushed the M21 and in some cases the customers were actually told that they had no choice but to get the M21 at the added cost if they ordered the L78. Optional transmissions included the M20 and M21 four speed transmissions, no automatics were available for order with the L78. Of the 7 cars that did not receive the M21 two received the M13 and one received the M20 based on documentation for these cars. The remaining 4 cars are currently either unaccounted for or there is no substantiating documentation to say what was installed at least as far as my registry goes, CRG may have more info but I am not sure.

There were three L78's that technically received an automatic but are special engineering vehicles that eventually were de-tuned to the equivalent of the L34 350hp 396. I generally do not count these three in the L78 list even though they were born as L78's since they are special purpose built cars for Chevrolet use. These three cars were the primary track car built to pace the Indy 500 in 1967 #92, the back up Pace Car #90 which was to take over the pacing duties should a mechanical issue arise with #92 and the proving ground test mule #91.