What is the firing order for a 2004 Chevy 5300 v8?

All 2004 Chevy V-8's (ie-the 4.8, the 5.3, the 6.0 and the 8.1) have a firing order of 1-8-7-2-6-5-4-3. This is taken from the 3 volumn set of Chevrolet manuals for 2004.