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| Orion Reflash System for Navistar Power Hungry Performance is the first in the industry to provide custom tuning for the 1998 to 2007 Navistar Medium Duty platform! If you have any questions or would like more information on Orion, please post here. |
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#9
Wed, July 21st, 2021, 07:08 AM
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It was in 5th high she started off at 2000 rpm and the foot in the floor the egts were a slow climb so the new turbo is keeping up. She seems like the 300hp would be drivable in the flat. Today I'm thinking of hooking up one of the trailers and putting it under a real load which will give us a better idea.
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