I have been changing the lubrication oil and filter in my 1999 7.3liter International Powerstroke diesel (Ford f-250) at intervals of between 2,500 and 3,00 miles. I operate at 7,800 to 9,000 feet and with substantial loads on long grades. The truck is often overloaded; e.g. bumper trailer hitch...
Greeting to you all. This is my first post on Eng-Tips.
Can anyone tell me how to calculate decreased cylinder compression of a naturally aspirated internal combustion engine at various altitudes? Actually, I will work the formula backwords:i.e. I have measured compression numbers and want to...