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Old 10-04-2023, 09:25 PM
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Lee Stewart Lee Stewart is offline
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Talk about a success story! The 1961 421 Catalina Super Duty ruled! It won 30 out of 52 races during the Grand National series in 1961. The terror of NASCAR! Pontiac rated the engine at 405HP. Its real output was 465HP making it the most powerful engine at the time. Only around 177 Catalina Super Duty models were fitted with the 421, with some sources stating that number is closer to 130. That's for all 3 years: 61, 62 & 63.
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