brothers car makes 540rwhp on a mustang dyno at 11psi while running out of fuel. take it to a different tuner, and it now makes 500rwhp on a dynojet at 15psi with plenty of fuel.

go figure.

02 Mustang GT... Tuned by Nelsons. Low 12's, anyone? .....______ ___|______\_____ |/-\_________/-\_| .\_/...............\_/