![]() Deck Plate Honing: a precision machining process typically reserved for high-performance engines is used on the LS7 cylinder block to maximize engine life, reduce friction between engine parts, and increase horsepower.A structural oil pan further stiffens the powertrain. The bulkheads accommodate six-bolt, cross-bolted main-bearing caps that limit crank flex and stiffen the engine’s structure. Its deep-skirt design helps maximize strength and minimize vibration. The Gen IV block was developed with math-based tools and data acquired in GM’s racing programs, and provides a light, rigid foundation for an impressively-smooth engine. The LS7 block also features very durable, doweled-in, forged-steel main bearing caps, which hold the balanced, forged-steel crankshaft in place and reduce crank flex. The LS7 uses unique pressed-in cast iron cylinder liners to accommodate the largest cylinders bores in the engine family. Cylinder Block: the LS7’s cylinder block shares two key design elements with GM’s original small-block V8: a 90-degree cylinder angle and 4.400-inch bore centers.The 100,000-square-foot facility weaves the best practices of low-volume niche manufacturers and the established quality and manufacturing standards at GM to ensure the highest-quality specialized engines. Each LS7 is assembled by hand by a single builder at GM’s unique Performance Build Center in Wixom, Michigan. It also uses a racing-style dry-sump oiling system that helps ensure adequate oil pressure during high-load cornering. It shares the basic architecture of other Gen IV Small Block V8 engines, but is the largest-displacement variant, featuring pressed-in steel cylinder liners to accommodate the engine’s larger diameter, 4.125-inch (104.8 mm) cylinder bores. The LS7 is easily identified under the hood by red engine covers with black lettering. Previously, the LS7 was used on the sixth-generation Corvette Z06 and 427 Convertible, both of which are no longer in production, as they have been replaced by the all-new. It is currently produced for use in a single vehicle - the. The LS7 is also one of the most powerful naturally-aspirated engines in the world. Being one of a handful of GM engines assembled by hand, the LS7 is part of GM’s 4 th-generation V8 Small Block engine family and is notorious for its consistent and smooth power delivery. The 7.0-liter V8 LS7 is an engine produced by General Motors for use in high-performance vehicles. It features the same 7.0L (427 CI) V8 SFI engine, producing 505 horsepower and 470 lb-ft of torque. Mechanically, the 2007 Ron Fellows Z06 Corvette is no different than any other Z06 produced that year. ![]()
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