I don't know if I got the bolts torqued exactly to the specified (Haynes manual) "16-18psi", but I did use a tightening sequence similar to your method on all the WPs I've put on.

What is the PROPER sequence? Anyone know?

-Tim, Former crush: a '95 Contour GL 2.5L, 5-speed. Current love: 2001 Toyota Tundra SR5 King-cab 4x4.