On the Vortec the computer does it all.
I have a 1987 Chevy Blazer S 10 4X4 2.8l V6 and the timing recommendation is 10 degrees.
Press and hold down clock button while pressing hr/min.
There is no timing to set. The timing is controlled by the ECM with signals it receives from various sensors.
How do you set the time on a S10/Scan atomic clock model 86715
How do you set the timing on a 2000 Chevy blazer (V6)
Not sure of the specifics, but I know the radio needs to be off to start.
i have a 2005 blazer...there is 2 very little buttons on bottom left of the stereo..just push and hold either one
how do you set the timing on a distriubtor for a 2002 Chevy blazer
how do you set the clock on a 2003 chevrolet trailblazer
Press the set button and use the seek and scan buttons to change the hours and minutes.
hold in the "clock" button until the time comes up then turn use the volume and channel controls to adjust.