After the one-hour ride to E-Town, we removed the plastic HEMI engine cover from the hot 5.7. We didn't ice the intake runners on either engine. We hoped to pick up 3-4 tenths on the R/T from the three new upgrades (cold-air induction, power programmer, and underdrive pulley). Previously, 13.8s were commonplace. On this day, though, a low barometer and high humidity would hamper our expectations.