Hey whats a replacement for an OS 52 and 70? I have a T-Clips 70 in the way soon and its time to look for a power plant. I was thinking of dropping a Magnum 91 on it, but I think it would be too much for it, it calls for a .65 FS. I might build another LT-40 with a modified to the hilt wing, and would like to put a Saito on it.