FYI they are different. I dont want to come across as a know-it-all or cocky but I have a small db/spreadsheet on fuel line routings. Lord knows I have been wrong many times before so if anyone else has different info I sure would love to see it.
Big blocks
67
68 - I have observed only a couple that used the bolt and clamp style line hold down. Most have the clip on the bolt of the frame mount.
69
Small block
67
68