just got my new program back from jdm today to compensate for my upper pulley, headers and 410's(which I havent put in yet), I also swapped the TR6's out for BR7's the other day, the tr6's looked perfect but feel safer with the the colder plugs now. even in the 90 degree weather with high humidity the truck feels strong, noticable difference over the J39 program. I dynoed 400 and 489 without the 2.80 upper, intake spacer, and removed cats with the old program, can't wait to see what gains I will make, just waiting for the same weather conditions to get it dynoed again. big thanks to the guys at jdm for the fast turn around on the chip reburn. also can't wait to install the psp fast air kit I have on order, soaps air temp experiment a couple weeks ago sold me on it.