The Stovebolt Site Forums The Shop Area The HiPo Shop 427T thoughts

61 suburban
A 454 crank and a .090 overbore will give you 474 CI a 4.25 inch stroked crank and a .060 overbore yields 496 but a 4.375 stroke and a .060 overbore would give you a 510ci motor now we are talking power.