Originally Posted by
hambone
V specs don't tune like the italian engines do. Just went thru the same thing. Read the same article you did and applied it to friends nova and a go tech. It worked very well. Decided to tune my speed motor same way. Doesn't work. Had to keep it richer on the bottom and lean the top. It flies when tuned like that and becomes flat if tuned by Ron's method.
lol. Noticed my sirio ran killer but not the vspec. Thanks for the input