A reader wonders how high the head of valve should protrude from the surface of the head when installing new valves.
Successful Farming Engine Man Ray Bohacz has engine grease and field dirt under his fingernails from a life spent repairing vehicles and running a farm. When he’s not busy in the shop, he's working on maintenance articles and videos for Successful Farming magazine and answering questions from readers. The following is a letter the Engine Man received from Bruce Whitaker:
A gas engine traditionally becomes lazy due to an ignition advance issue, worn timing chain, incorrect air-to-fuel ratio, or restricted exhaust.
The Successful Farming Engine Man justifies his recommendation for using an engine cutting tool to reveal engine problems.
The Successful Farming Engine Man, Ray Bohacz, recommends a schedule of maintenance to help eliminate injector plugging in a diesel engine plagued by this problem.
A lack of power can increase fuel usage and degrade idle quality.
Growing up on a small family farm that I still operate today, it was many years before we ran our first diesel. Thus, I became very intimate with the ignition system of a gasoline engine and its needs.
The purpose of a thermostat is to reduce engine warm-up time, maintain optimal running temperature, and help with heater output, if so equipped. When an engine is cold, a number of undesirable events occur. Wear rate of the internal parts is excessive due to poor lubrication and friction.
Electrolysis readily attacks engine metal parts and causes premature failure.
Synthetic lubricants are made of oil stocks that are highly refined.