well just noticed after i swapped some 823 heads on from my recent trashed 5363 heads....i noticed a bolt hole or port? should i be worried at all?or normal?
http://i244.photobucket.com/albums/g...e1/inatke2.jpg
http://i244.photobucket.com/albums/g...de1/intake.jpg
heres a pic of a head...its on the 3rd head port...
http://i244.photobucket.com/albums/g.../F26561981.gif