I several of each, including Magnums and O.S.'s too.

Between the SuperTigre and the T.H. engine... the Tower Hobbies .75 is a better buy, and easier to tune.

Once broken in, you'll never have to think twice about it.

Both MAY be made in the same factory too, but the design is very different.

The ST is a bit infamous for mid-range or idle problems ( you get one or the other ).