RE: OS 81FS-a
Togatoga, thanks for sharing that performance information with us. It looks like the .81 is a good performer right out of the box!
10 grand plus on an APC 13 x 8 is right up there in .91 FS country. Last time I tached a Saito .91, it pulled 9800 with the APC 13 x 8 on 10% nitro.