Chevrolet Corvette ZR1 LS9 Engine Specifications - Domestic Exotica
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The LS9 employs a center-feed fuel line system to ensure even fuel flow between cylinders (each fed by a high-capacity 48 lb-hr fuel injector) while creating less noise. More importantly, the powertrain team developed a dual-pressure fuel arrangement. The system operates at 250 kPa during idle and low-speed operation to enhance drivability, but then cranks up to 600 kPa to meet the requirements of higher speed and WOT conditions. View Related Article
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