Mild-Mannered 440 Mauler Mayhem - Part 5, The Dyno Test
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With the high-intensity flat-tappet package, the engine was broken in with the inner valvesprings removed from our Comp dual-spring assemblies (PN 930). After a thorough run-in, the oil was changed to Lucas 10-40 Semi-Synthetic. Spark plugs are Denso Iridium. View Related Article
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