Ford Aluminum 5.4L Header Swap - All-American Header Test Part 2
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Running 23.5 psi of boost, the 5.4L produced 1,006 hp at 6,500 rpm (the cure was still climbing rapidly) and 866 lb-ft at 5,300 rpm. We eventually tuned 1,036 hp with a new Street Rod induction system, but the GT1000 project officially reach the four-digit power level. View Related Article
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