Which scoop ?

I believe I red a thread on this forum saying proper placement of the scoop is 3 1/4" from the back of the hood. Looks like I actually bought either 70/71 hood, are the corner bolt holes im using circled in black or red?
Resized_20211130_141508~2.jpegResized_20211130_141401.jpg ScoopTwinSnorkleXLU.jpg