Engine Professional magazine
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FORGED CRANKSHAFTS: MATERIALS, PROCESS, AND HARDENING Diesel Outboards
AN AERA INTERNATIONAL QUARTERLY PUBLICATION
JULY-SEPTEMBER 2020
Diesel Spark Ignited (DSI) Outboard designed and developed by Mercury Racing. See page 38.
Spark ignited diesel?
Tribology
What it means in engines
Hemi Lifter Noise
Root cause analysis
The Importance of an Online Presence Free and easy options


































































































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