Timing chain
Neither, Camshaft is gear diven on Holden Six's until the arrival of Vl commodore[Nissan engine]
timing belt
has a belt
timing chain
It has timing chain and gears. NO belt.
The 3.3L engine has a timing chain....not a timing belt.... The 3.0L engine has a timing belt......
belt
It has a timing chain.
It has a chain.
timing chain
Timing chain.
The 3.5 liter V6 engine has a timing BELT , the rest of the engine sizes have a timing CHAIN