The dyno isnt really neccessary when it comes to tuning a car. Its the software thats really important (i.e. SCT). If you dont have tuning software then a dyno is useless.
Jim Hahn
1996 T-Red Contour SE Reborn 4/6/04
3.0L swap and Arizona Dyno Chip Turbo Kit
364 whp, 410 wtq @ 4,700 rpm