ok so we win a lot of races and run a box stock 602 but do dyno and it is maxed out on HP. how many races can you put on it before it drops off. hendrens dyno our stuff and he says to run it but it has 34 races on it. still winning races and has no blow by or uses any oil. but i feel it has dropped off on power. i do have a new one in my back up car with just two races on it. we only have 4 races left so should we change it out or just re-dyno it and run it. will it last.
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