If you could find a plastic company that makes plastics like we have in cleveland, Ohio called the House of Plastics they could make them from the old one that you could remove. They can cut and shape curves with heat in an oven. These companies are ...
ernie- A friend of mind did the same thing and then his wife who was a seamstres used large buttons to cover these areas and then you would still have access again. Somehow she was able to use tread to secure them and pull them up tight.
We had a 1992 499 express and I replaced the props with 20x20 on our 454's and gained 4 miles per hour at cruise (3400rpm). I could cruise at 24 to 25 mph at 3400 rpms. It was a great improvement because before at 3400 rpm we only did 21 mph. The co...