Just using this as an example. Play around with the highlighted numbers. Change them one at a time, and make the change semi-significant...something like 5 and see which way it moves. When it moves on the axis you want, then just play with the number until you get it placed how you like.
67,73,154, 0.5, 0, 0, 0, 0, 0, GoodYearflextireR.mesh
forset 67, 73, 131-154