Cylinder Head Comparison Test 210Cc Pro 1 Heads
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We removed the 225 heads and installed the slightly smaller 210cc Pro 1 heads, which flowed only slightly less than the larger 225 heads (325 cfm versus 305 cfm). Run with the Dart Pro 1 210 CNC heads, the 363 stroker produced 566 hp at 6,800 rpm and 484 lb-ft of torque at 5,200 rpm. Compared to the larger 225 heads, the 210 heads lost 8-9 hp at various points in the rpm range. View Related Article
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