Yes.
It has a Timing Chain.
Set timing on a 2.8 liter v6
Dot to Dot
The Chevrolet S10 doesn't have a timing belt.
chain
Chain
Chain.
timing CHAIN
Chain
Timing chain
it is under the timing chain cover located to left of the water pump if you are facing the engine. locate you fan and your fan is coming directly out of your timing chain cover if you have a 4.3.
Chain