Here in RB's own words is why the are not dominating this year. The short of it is, the rules that took away hot and cold air blowing and flexible wings.

http://www.autosport.com/news/report.php/id/101810

Despite this Force India has been able to get some hot blowning to work but not as effectively as last year.

__________________
Frank
540/6

Dirrezas (4) @ 275/35-18, Eibach springs & bars, Bilstein Sports, Dinan Stage 2, slotted ATEs, Hi-Temp HTP pads, SS Lines, UUC-SS, White/Tan, Bling-free & Stealthy