1962 Pontiac Catalina 421 Super-Duty - Royal Retrospective
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This Grand Prix was built to live up to Royal Pontiac's slogan: "Home of the Hot Chiefs." Ace's team of high-performance specialists installed a McCulloch (Paxton) supercharger with a massive cold-air intake to increase the horsepower of the 389/333 Pontiac V-8. Here's how it worked: Air was ducted from a headlight opening to the belt-driven blower, which forced cold air to a Carter AFB four-barrel carburetor through a second air hose. The amount of engine boost was only 5 psi, as the compression ratio remained a factory-stock 10.75:1. View Related Article
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