I've gotten it at costco in the past for just over a dollar a litre, at one time it was just a few cents difference from dino and store bought veggie oil.
I wouldn't think 2% would be enough to notice much, I also find the cold weather a concern, and switch to two stroke for winter....
I wouldn't think 2% would be enough to notice much, I also find the cold weather a concern, and switch to two stroke for winter....