i have been checking out the lightning boards, and noticed that a lot of the guys have been changing out the fuel filters pretty early (9k-12k miles) with noticeable results. i had a problem a couple of weeks ago when i was only running 109 mph traps, when last season i was running 114 in the same exact weather conditions. so i decided to change the filter and check the plugs. the new filter i could blow through very easily with no effort, the stock 11k miles filter i could barely blow through, felt like blowing as hard as you can through a small straw. huge difference, put the new one on. car feels better, but won't really know until i get back to Etown. hopefully i can get back up to 114 traps, and practice with my nittos and shoot for some low 12s, which should hold me off until i get my pulley/chip next month.