Mean Mouse: Chevy 406
Here’s a seriously stout bottom end. You can see the drilled areas where the crank was balanced. See the pointed edges on the faces of the counterweights? This is one of Scat’s lightened cranks; while it’s not really necessary at this power level, its reduced inertia should come in handy if we ever swap to a high-winding solid-roller valvetrain. Milodon studs were installed finger-tight in the load-bearing inner cap locations, and the nuts torqued to 50 lb-ft, then 75 lb-ft from the center cap outward. Lambeck loosened, repositioned, and retorqued a couple of the caps until the crank spun freely, then torqued the side bolts to 40 lb-ft. View Related Article
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