The dash-mounted Gryphon does NOT work on a 94-97. There have been incidences of communications issues and support for those vehicles was removed.
The Game-Boy style Evo can be upgraded with new calibrations. Cost is $60.00 per level.
Honestly, most 7.3L folks (especially OBS) go for the Phoenix chips. They are a bit more flexible being able to shift on the fly and work really well.
Hope this helps.
__________________
Bill Cohron - The Mad Doctor  
Power Hungry Performance - The ORIGINAL in Ford performance tuning... Since 1996!
(678) 890-1110
www.gopowerhungry.com - Home of the Hydra Chip, Minotaur Tuning Software, and the new Orion Reflash System for Navistar!
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