there is also stuff on there that i dont understand like comp ratio, header primary diameter, h/x cross over pipe, rear gear ratio, and also the level 1,2,3 calibrations, they have so many things to choose from like stock tranny, 87 tow, 93 performance, just different stuff i dont get...think you can help before i call bill because i dont want to waste his time if i can just get it done quick...thanks i really appreceate this
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