This Chevrolet Performance SuperMatic 4L75-E is a robust four-speed overdrive automatic built on the compact 4L65-E/4L70-E architecture but heavily upgraded for serious power. It is rated for 650 lb-ft of torque capacity—well above the 4L60-E (≈380), 4L65-E (≈430), and 4L70-E (≈495)—while remaining smaller and lighter than a 4L80-E. Key durability features include five-pinion planetary gearsets, […]


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