502 540 Big Block Engine Comparison 540 Dyno Test
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Back at JMS for round two, we hooked up the new stroked mill to the dyno; this time with more cubic inches under its belt. To compare just what the mill would produce with only the addition of the 540 stroker kit, we’ve left the crate ZZ502 aluminum cylinder heads up top with the same roller camshaft, lifters, and 1.7:1 roller rockers. Our efforts were worth 553 hp at 4,800 rpm and 648 lb-ft and 3,200 rpm. View Related Article
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