1969 Dart GT 440 vs. 2010 Camaro SS/RS

A friend has a 70 ish Firebird wth a "500 HP" 350. He won't race my 67 with a 475 HP 410. He just bought a Mustang GT and he won't race it either. There is a big difference between talking and showing. Unless he brags about how he can beat me, let him talk.