Blueprinting Your First Engine, Part One: Precision Block Machining. Originally published in the February 1982 issue of Hot Rod magazine. HOT ROD Staff Writer Jan 01, 2023. See All 30 Photos.

Our Dart block was delivered to us with a 9.800-inch deck, 4.840-inch bore spacing, and 0.842-inch lifter bores and went through the ringer getting align-honed, decked, bored, lifter-trued ...