[74proii]

So being late to the party I might not be any help. Sunman I have my frame mounts still out of the ca for sizing etc. When I pit my 351C into my 74 I used the frame horns swapped in from a 75 302 car, the mounts were shot. Even then they were nonexistent. If I recall (it was 1991) I used 289 mounts that worked perfectly.