1968 Dart Project WIW? (Arizona Car)

Sounds like needs more cam
Its a very mild car: 1988 Mustang LX Convertible, 5.0 5 spd 3.08 gears, GT40P heads, 1.72 rocker arms, ported lower intake manifold, 65mm throttle body, Ford Motorsports shorties and 2 1/4 off road h-pipe, dynomax super turbo mufflers, 54k miles, orig paint/top/interior, orig owner car. I bought it brand new.