0 Degrees top dead center.
See underhood sticker.
timing chain
Chain
It has a timing chain, NO BELT
It is recommended that you replace the timing Chang, on your Chevrolet Silverado pickup truck, at 60,000 miles. Many times the warranty is voided if the timing chain is not changed.
it has a timing chain. not a belt
No belt. It has chain and gears.
It has a timing chain that should last the life of the engine.
the ignition timing is 6 degree BTDC.
with a timing light on the hermonic balancer NEW ANSWER: The timing is not adjustable, it is controlled by the computer.
look under carpet on pass side under dash single wire horizontally
timing belt