porsche ctba, ctbb, ctbc

The following is lists of piston engines developed/used by German car manufacturer Porsche.
924 Carrera GT/Carrera GTS/Carrera GTS Clubsport
924 Carrera GTP/Carrera GTP Le Mans/Carrera GTR
Note: MA1. 24 is classified as the "Remark". MDB. XA is the "Engine Type"....