Well, I bought a 74 buick 455 and am halfway through the rebuild. I would like to know what this x on the intake manifold means. I've seen this same x on a buick experimental block,.... any help would be awsome, maybee something , mabee nothin, ..............Thanks.
"X marks the spot!" Back during the oil crisis, they put those X's wherever they thought they might need to be looking for oil...you know...there's 5 quarts in there!!! (I crack myself up...)