Eyyy a guess and a half... thought it might be the highest.
What does DCCD stand for and where might you find it?
a) Direct Camshaft Chain Drive, on a Mustang 4.6 modular V8 valvetrain
b) Direct Connecting Centre Differential, on an 80-series Landcruiser
c) Dry Circulated Crankshaft Depositing, inside a Ford Cosworth Indy engine
d) Driver Control Centre Differential, on an MY06 STi's drivetrain
e) Disconnecting Computerised Diaphragm, on a VT commodore EFI ignition node