The INSANE GM Carb Trick That Turned Slow V8s Into Monsters!

GM spent decades calling the Rochester Quadrajet an economy carburetor, but the streets told a very different story. Hidden inside its strange spread-bore design was a performance loophole GM never advertised — and hot-rodders discovered it by accident. With one screw adjustment and a few cheap parts, ordinary Buicks, Oldsmobiles, and Chevrolets suddenly turned into unstoppable sleeper monsters, beating cars they had no business outrunning. Even as GM buried the truth for political and corporate reasons, racers uncovered the secret power it hid. This is the story of the carb GM never wanted you to understand.
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