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    Top kick questions. 6.6 dramax

    Hey guys. I have a 2006 gmc top kick 4500. I'm unsure where to find info and specs on the transmission as well as the motor. It is set up with a 6.6 a and an allison but is quite underpowered stock as well as a fuel pig. I'd like to know what the specs are compared to a 1 ton as well as what...
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