40 Years Of 348 And 409 W-Engines - W-ow!
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All of the 1961-1962 409 engines came without chrome dressup items. That commenced in 1963. The '62 409 still had the small 348 exhaust manifolds. Headers really woke one up. In race engines, builders like Santa Ana, California's Joe Sherman readily admit "almost 100 additional horsepower." View Related Article
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