A remote starter switch and a top-quality, screw-in-type compression gaugeâ such as these models from Sears, Roebuck & Companyâ can be used to measure the pumping efficiency of an engine, as well as ...

A customer reported that his excavator was down on power and his sense was that the issue was likely the hydraulic pumps. He asked for a price to replace them. “Of course,” I said, “but would you like ...

Poor maintenance practices combined with a careless operator can quickly ruin a diesel engine, resulting in an expensive overhaul. “Neglect and abuse are the largest concerns affecting our industry,” ...

Motor Trend Magazine's June 2006 Technologue column introduces two pretty neat alternative hybrid schemes. Inquiring minds are bound to have questions about how each works, so here's a series of Q&A ...

SAE International Journal of Engines, Vol. 2, No. 1 (2009), pp. 1574-1586 (13 pages) ABSTRACT The objective of this study was to examine the operating characteristics of a light duty multi cylinder ...

A compression test reveals the condition of your engine's valves, its valve seats, and piston rings and whether these parts are wearing evenly. Healthy engines should have compression over 100 psi per ...

Despite the turbulence Nissan has faced over the past few years, some of its technology is undeniably impressive. Perhaps the crowning jewel of this engineering power is its variable compression ...