GM and Chevy 5.3L Vortec Firing Order with Cylinder Number Diagram

Here is the firing order for GM and Chevy 5.3L Vortec engine.  
References in video:
https://www.silveradosierra.com/threa...
https://chevyguide.com/5-3-firing-order/


Cylinder spark plug firing order for 5.3L Suburban, Tahoe, Yukon and more.
The firing order is 1,8,7,2,6,5,4,3.