For a standard tune chip (nothing big like FI) you really don't need to put the car on the dyno. If you want firmer shifts, no speed limiter, somewhat optimized a/f, etc you can just have it custom programmed w/o the dyno.
Hector
2003 Rally Red Mitsubishi Evolution VIII
257HP/259TQ
2005 Lapis Blue Mazda 6s
RET: 00 Cabernet Red Ford Contour Zetec ATX SUPERCHARGED
160HP/141TQ
