Can do 13.9-13.8 with a 2.1 60ft. stock . That is with an 900, at the most 1300 rpm launch. What would nitto d/r and a more agressive launch net me?/ under same weather cond - not worried about the 3rd member, it will last as long as lasts. Car is 97z m6 headers( mac Dual ), cai, car is taken care of, ready to get a-little quicker. 12.7's and this one is done.