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  1. 74dually 454

    Dana 70hd

    What do you all do to a 70hd to hold 900whp? And anyone know the best place to buy a 3.45 ring gear for one?
  2. 74dually 454

    Toasted the big block

    The 454 in my 74 c30 finally took a ****. Dropped oil pressure destroyed a few bearings and bent a rod. With me in it it weighs 5600lb.With A small cam truck went 15.0 @ 88mph with a DA of 8100. Now just kinda testing the waters on what i want to do, weather that be a 12valve swap or a duramax...
  3. 74dually 454

    newbie with a dually

    i have a 74 c30 single cab dually with a 454, it was my fist truck that will soon be a pro street dually, im going to keep it a gasser but couldnt find any truck forums that were any help, so any help is appreciated. i will post some questions later. i live in new mexico, where are you all from?
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