I recently installed new stainless bodies with new 90 tips. I had a leaky injector or two before. Thing is now I have more RP all the way around. My numbers before the swap were always 6500-7000k idle and 18-20k at 70-75mph and 26.5k at WOT. Now with the new sticks its 7500-9000 idle, 19-21k...