The new GM 10-speed automatic transmission is now either standard or an option on GM’s full-size SUVs. In these applications, the new 10-speed is known as the Hydra-Matic 10L80 and is assigned GM RPO ...
The C4 three-speed automatic is the most common transmission used in vintage Mustangs. Known as the Cruise-O-Matic from '64-1/2-'66 and Select-Shift from '67-'82, this simple hydraulic slush box, of ...