1. dank GN

    Block casting number questions

    okay I'm looking into getting this 4.1 out of a 84 regal . i have purchased many blocks in the past from 109s to 290s. Anyway this blocks casting number is 25520044 which I can't seem to find much info on. Has anyone used this block for a turbo build ? How strong are they ? Any info would be...
  2. dank GN

    4.1 block for sale

    i have a lead on a 4.1 484 block . If anyone wants it I'll go snatch it up before anyone else does . $300