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| Hydra Chip 17-Position Chip The Power Hungry Performance Hydra Multi-Position Chip is the industry standard for the 7.3L! Redesigned from the ground up, the Hydra Chip provides Ford owners with a feature packed, high quality, and low cost alternative to other existing modules on the market today. |
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#2
Fri, February 12th, 2021, 11:31 AM
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I'll give it a look. The shift points for TNAA4N2 and TNAA4Y2 are identical (as the calibrations are identical) and I don't recall anyone having complained about the shifting on the California (TNAA4N2) versions. I wonder if there is something specifically with the Excursions that mechanically may be different.
 What's odd is that it only happens with 65+ HP tunes since the shifting generally isn't much different between the different calibrations until you hit the 120 HP program. Anyway, thanks for the heads up. 
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Bill Cohron - The Mad Doctor   Power Hungry Performance - The ORIGINAL in Ford performance tuning... Since 1997! (678) 890-1110 www.gopowerhungry.com - Home of the Hydra Chip, Minotaur Tuning Software, and the new Orion Reflash System for Navistar! Bring back  Windows™ XP and 7.  Windows™ Vista and Windows™ 8 is a pain in my a$$!  Windows™ 10 is only slightly less annoying!  Windows™ 11 is garbage!  Much to my surprise, I'm actually quite enjoying Linux! 
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