Yes and Yes... However every body is going to react different, but you've pretty much hit it on the head.
Reason why I said to put your stance back was to eliminate that as a possible problem and then move on to issues like your boots/bindings
As far as the turning and such, that is most likely going to be a result of the angles/width being changed.
Your boots could also not be centered on your board properly either
"When I do good, I feel good; when I do bad, I feel bad. That’s my religion." - Abraham Lincoln
Originally Posted by sedition
Moral of the story: If your going to rob people, wear a diaper.