haha i got a good 1
my buddy has the 2.2L ecotec in his cavalier and found out the was some work done to it, it used to be boosted, turns out it was bored over and still had the tune from when it was boosted, there are other things but i didnt pay attention when he told me but all i all... HE GETS 12 MPG!!!!
and realize that until 8 months after driving it... wtf is that