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Power Strokes
6.7 Aftermarket
KC Turbo 6.7 Testing Thread
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[QUOTE="KCTurbos, post: 1495207, member: 13852"] It is not just HP that kills these motors. IMO huge tq numbers way down low can cause big issues also. (also crazy timing also has a big effect) 580hp should be fine 1300tq at 2000rpms should be fine... but I don't think I would want to be making any more tq down low. I think that is why a lot of these trucks last longer in the higher HP range with non-vgt because it move the tq curve up a couple hundred RPMS. Kind of the same theory on 7.3 trucks. They tend to be really conservative down low with tuning and it helps them to last longer at higher HP levels [/QUOTE]
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