SR, I have a used G.51 I will test with some 11x6's and see what I get.

In the meantime, take a look at what my G.45 did with various 11x6's:

http://www.rcuniverse.com/forum/fb.asp?m=8189268

The G.51 has different porting/timing than the .45, so it may not be a good comparison.

David