Mario Party 5 and 6 speedhack problem

[aztekmyst]

Update: I figured out that Cheat Engine is not what was responsible for the game having a better speed.

Instead, about once every 25 or so times I load it, the game runs perfectly on Dolphin alone. Is there something I'm missing? Or, can Dolphin be unpredictable like that? I'm running version 3661 if that helps.