ECi started selling the 370 (Aerosport continues to call it 375) many years ago and there are hundreds of these flying. This past year this was Titan's best selling engine next to the 340.
There are two reasons that I believe this specific engine works so well in our airframes:
1. The stroked engine doesn't just increase hp, it moved the peak torque down exactly where we want it. I can easily get over 200hp by spinning a high compression 360 way up, but what I want is peak torque around 2550 rpm exactly where the stroked 370 is.
2. Second is the weight. A angle valve 360 while it produces 200hp weighs well over 330 lbs. A comparable straight valve 370/375 comparably equipped usually goes out the door around 285lbs.
The last point I want to make about lowering the compression; rather than lowering the compression on a standard 180hp 360 and compromise hp why not start out with a 204hp 370 and lower to around 185-188hp and have the flexibility of a lower octane?
Just saying'
