Hello Eric

I'm trying to mount my OS160, on the "A" type hyde mount, what our your measurement's
from to fire to the back of your T.T. spiner, the manul say's 6 5/8 from the fire to the drive washer, but with those measurement. I have a hard time bolting the cowling on with the bind nuts and also the wing tube is it all the way forward in the slot to get the C.G.

Thanks Jarvis