How To Get More Torque From 540Ci Big Block Graph 2
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After dialing in the timing to 35 degrees and swapping out the jets (76/76), Westech’s Steve Brulé nailed down a best pull of 680 hp at 5,700 rpm and 669 lb-ft of twist at 4,600. More important, though, is how the 540 ci made over 600 lb-ft from the roll in at 3,000 rpm and stayed there almost to 6,000 rpm. The consensus was that we needed slightly stiffer valvesprings on the Dart heads to slow the fall off after 5,700 rpm. Then again as a street engine it will rarely ever need to rev past 6,000 rpm. View Related Article
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