Thread: I need some opinions

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i would say if you just can bore it and clean it out you would be lucky .if you could bore it to 125 over at this point it is to max bore some of the truck blocks are not very thick but some are very thick wall i had a very old one that could of gone over 4.375+ and a short fill 4.500?.i pick up some newer tall deck GM blocks new that were cut out like a 454 block for more stroke i used one with a 4.500 crank and H beam rods with not much block work you can get 525 with a 060 over bore and 4.500 crank . the tall deck just do not fit easy in to some cars you can find blocks on e-bay dart or world or bow-tie used and for not much more build a 632or 572