I got the Solas impellers installed and the speedster back... Just waiting on a chance to test her out but when I do I'll make sure to post the results.
I tested the boat out last week and it did pretty well with the Solas impellers. Was it worth the 625 to purchase and install? If you want extra acceleration and a reasonable decrease in cavitation then I can tell you it will help. It still over revs a bit but not nearly as frequently as it did before. Top end didn't really change much. With 2 people and a full tank, she topped out at 60 mph. But the acceleration was noticeably better.