The Devil is in the Details
By Steve Scott This would likely ruin your day, especially if it happens just 52 miles after an engine was rebuilt. Figures 1 and 2 above show the damage the piston and connecting rod did to the cylinder block and oil pan of this ISX Cummins engine as it quickly began to destroy itself. Everyone makes mistakes, and sometimes it’s …
Head Stud Installation
Considerations for this critical procedure By Mike Mavrigian This article is intended to discuss (and granted, to possibly overthink) cylinder head stud installation. Each builder likely has a routine that …
Turbocharger Failure Modes
By Greg Arsenault The most common failure modes of turbochargers for both gas and diesel engines are: 1) Contaminated oil, 2) Lack of oil, 3) Foreign debris in air stream, …
New GM 3.0L Duramax Diesel
By Brian Roberts We are now in 2020 and GM is offering a new in-line six diesel engine option to power its pickups. This all new 3.0L turbocharged diesel engine …
What is Tribology?
And what does it have to do with piston rings?By Lake Speed Jr. and Keith Jones Tribology, this strange word is the study of friction, wear and lubrication. You also …
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 …
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 …
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 …
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 …
Dodge and Cummins
30+ year partnership brings their latest high horsepower 6.7L Turbo DieselBy Dave Hagen In 2019, Dodge/Cummins celebrated a 30-year partnership with each other in the RAM truck that started with …
Finish Factors
More than meets the eyeBy Chuck Lynch Recent events have reminded us that what you cannot see with the naked eye, CAN make an impact on our ability to function …
Thin to Win Without Liner Spin
By Dave Metchkoff There’s a saying in the game of golf and it’s this: “Hit it Thin to Win”. An avid golfer knows what it means. This might sound like …
Oil is the Gasket
By Lake Speed Jr. and Keith Jones No experienced engine builder would intentionally bolt a cylinder head to a block without installing a gasket between the block and cylinder head …
