Y block trouble

Does any one know the firing order of a 272 y block . The book i have is differnt from the numbers on my intake

 

15486372 in my book

 

Yeah, thats why my book, and my '57 manual say aswell.

Whats your intake say?

 

what about cylinders

 

Cylinders are numbered 1-2-3-4 on the passenger side... 5-6-7-8 on the driver's side.
himmelberg

 

Firing order is usually on intake manifold