Quote Originally Posted by NorthernAveo
Ok, let's calm down here. The pistons rings are not even set yet and true fuel economy won't be seen till at least 10,000miles which is when the engine is broken in.
I am calm, but I don't find that credible. Do you think the EPA runs all vehicles tested for 10,000 miles before establishing a fuel estimate?

Besides, piston rings have nothing to do with the shift points of an automatic transmission.