Here's my best 1/8th mile time with the stock block (406rwhp/505rwtq)...new times to come. Should be mid 7's 1/8th and high 11's 1/4 mile. This is was on street tires. My times are on the left. Not bad for a 5500# 4 door truck.
2002 HD F150
577rwhp/603rwtq street tune