valve cover clearance

I have a pair of M/T finned valve covers that I have been planning to put on my 440 in my 69 383-s fastback. Based on rough measurements, it looks like they will fit. There is about 3/4 inch clearance above the stock valve covers. Of course, you have to move the blower motor back to do anything with the valve covers. Maybe I will get ambitious and try to put them on this weekend.

Rod