What you don’t know about zinc can hurt you

Posted on August 28th, 2013 by

I have received a number of questions regarding the level of zinc dialkyl dithiophosphate (ZDDP) in modern automotive engine oils. It appears that people are experiencing a significant number of camshaft and lifter failures on newly overhauled engines with flat tappets.... Continue Reading →

The pain of budget cuts

Posted on July 15th, 2013 by

Years ago I lived in southern Illinois where high school basketball was THE sport. When we moved to Texas in the mid-1970s, it was quite a culture shock. No one knew of or ever went to a high school basketball... Continue Reading →

The answer to GA’s woes: Technology

Posted on June 18th, 2013 by

There is a story going around about a toothpaste company that was having quality problems. It seems that every once in a while an empty tube would go through the system and get to the stores. This was causing several... Continue Reading →

What oil should I use?

Posted on May 19th, 2013 by

The two most common questions that I still get are: 1. What oil should I use in my aircraft engine? And 2. Are different brands and grades of oils compatible? Continue Reading →

A Q&A with Lycoming’s top man

Posted on April 28th, 2013 by

After Oshkosh, I sent an email to Michael Kraft, Lycoming’s senior vice president and general manager. Due to this busy travel schedule, he was just able to get his answers to me. To honor his request, I agreed to run... Continue Reading →

How to prevent cam and lifter wear

Posted on March 20th, 2013 by

Reader Dave Fletcher recently sent an email concerning the failure of the camshaft in his Lycoming IO-360 engine. He was concerned about pre-oilers, Ney Nozzles, CamGuard and other oil additives. This is a subject that both engines expert Paul McBride... Continue Reading →

A reality check on the future of 100LL

Posted on February 20th, 2013 by

The future of avgas has been a hot topic for almost 20 years. I recently reviewed some of my past columns and found that I was not too far off in some of my past predictions, but I thought I... Continue Reading →

To lean or not to lean, that is the question

Posted on February 7th, 2013 by

I’ve recently received several emails regarding whether to operate lean of peak (LOP) or to stay on the rich side. Let’s start with a short review of the chemistry and physics of combustion. Continue Reading →

CessnaDiesel

Blue skies ahead for Cessna’s diesel 182

Posted on December 30th, 2012 by

One of the interesting technical stories from this summer’s AirVenture in Oshkosh was that Cessna has completed certification and introduced into the market a diesel cycle 182 aircraft, known as the Turbo Skylane JT-A. Continue Reading →

BenVisser

More tips on breaking in your engine

Posted on December 2nd, 2012 by

In the past few months, my friend Paul McBride has written several very interesting and informative articles on “breaking in” an aircraft engine, including “How to break-in your engine”. I recommend that you read them when or if you have... Continue Reading →