Category Magazine

Breaking Valves

It broke… but why?By Steve Scott Broke is the past tense of break, but neither are defined as a defect. Here are a few common causes for valves to break. When you consider an engine running at full load, this…

New Diesel Outboards

Introducing the all-new Mercury Diesel Spark Ignited OutboardBy Dave Hagen We’re excited to share with you some information regarding a second “stealth” outboard that will be rarely seen: the DSI (Diesel Spark Ignited) Outboard. Mercury’s latest military engine was released…

Rules of Measurement

Or the Measurement of RulesBy Chuck Lynch Measurement has probably existed in some rudimentary form, as long as man has socialized. Early measure used the body as the standard. As we have industrialized, we have pursued greater levels of precision…

Hemi Lifter Noise

Root Cause AnalysisBy Eric Bakke Anyone that does automotive engines in their shop has likely dealt with a valve train noise complaint from a HEMI owner. In some instances, this complaint is why you accepted the heads or the engine…