Mean Mouse: Chevy 406
Although we retained the stock stroke, we used an aftermarket 4340-forged Scat crank and CAT Power 5.7-inch H-beam rods. These rods mandated a little block clearancing down low. The milled area (A) is necessary to clear the bigger “big end” of the H-beam rods, and the circular relief (B) allows clearance for the rods’ cap screws. Notice the smoothed edge on the bottom of the cylinder wall. Lambeck worked overtime with the die grinder to ensure the piston skirts wouldn’t hang up on sharp edges in the bores. Finally, the distributor shaft hole is chamfered so MSD distributors’ O-rings won’t tear. Lambeck’s engines are pricey, but you get what you pay for with this kind of attention to detail. View Related Article
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