Video: 427ci LS7 Makes 632 Horsepower Before Getting Twin Turbos

Video: 427ci LS7 Makes 632 Horsepower Before Getting Twin Turbos

Late Model Engines has a customer with a twin-turbo LS engine already making 1,100 horsepower at the tires

Now he wants to "turn it up." So this 427ci LS7 built around a solid-deck RHS block is making 632 horsepower without the turbos

Add the boost and he could go well over 1,200

Check it out!

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