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  1. superstock440

    intake ?

    i'm trying to find out what is better for more performance. is the 6 pack setup on a 440 better than a crossram with 2 fours or the other way around. have a cross ram on motor now but getting ready to put better heads and a bigger cam in. if any one would know any help would be nice. thanks
  3. superstock440

    440 heads ? need help

    was wondering if you can run a 426 wedge head on a 440 block. saw the ports are bigger on the 426 heads and like to run a big port like that. if you can do you have to change the intake and any other things. thanks for any help.
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