Well to start off with I have a 14x8 aluminum hull with a 383 EFI LT1, 2.37 rotator and 77” 3 blade whisper tip EX.
Now my problem.... I went from 2 blade 77” with a mild porpoise to a 3 blade 77”to get better dry push and now my hull porpoises/ hops so bad I can only do about 20mph at best...