All small block chevy's standard firing order is 18436572.
the firing order for a small block Chevy 350 is 18436572
1,8,4,3,6,5,7,2 all small block and big block firing patterns are 1,8,4,3,6,5,7,2 for Chevy
Firing order is the same as a small block Chevy 18436572 clock wise
I never worry about the firing order numbering system that Cadillac uses. I use the more familiar modern Chevy numbering system. Left bank 1-3-5-7 and Right bank 2-4-6-8 Then the firing order is the same as Chevy except cylinders 4 and 7 are switched. 18736542
Firing order is 1-3-4-2. Click the link for a diagram.