De-Code a 350 please

Picked up a 78 big Buick 4 door over the week end and pulled the engine and trans (400T short! :Brow: ) but the block was red with blue paint sprayed over it, need help being sure what I have here number on the back of the block is 1241748 I have the engine here at work if I need something else please let me know and I'll get it....Thanks! :TU:

 

That code comes up as '75-'78 Buick 350 on one web page and '72-'80 on a different web page.

 

Thanks!!.....were did you find that at on the web? o No:

 

Found on the net....

Here and here:

http://www.buickgod.com/article.html?ID=3243

http://www.cehighperformance.com/buick_codes.htm

All I did was type "Buick V8 1241748" in a google search.
Hope that helps!