A non-turbo diesel loses 1% of it's power and efficiency for every 328 feet above sea level.
Take a car or tractor at 10,000 feet - and that's a 30% loss if no turbo is used. I.e. turns into a real dog.
A turbocharger DOEs raise the "effective compression ratio", so it is harder on engine parts. That being said, a decent one is meant to take it.
How many on these forums would rather have their Dodge-Cummins diesels without the turbos?
How many are complaining because the turbos (and sometimes intercooled) 5.9s did not last as long as they should have?
On the other hand, how many have complained about the non-turbo 6.2 diesels as being gutless and short-lived?
None of the above claims really has anything to do with having a turbo or not. It's about general engine design.
My 92 Dodge with the 5.9 (intercooled-turboed) has near 400K and never had a new turbo. My 94 Ford 7.3 IDI has 320K and also never had a turbo. My 86 Blazer with a 6.2 has a Rajay turbo that's been on three engines so far - with a total of at least 400K miles and the turbo is still tight.
My point being, they usually last a long time if not abused.
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Today's Featured Article - The 8N and the Fox - by Zane Sherman. Dec. 13 1998, Renfroe, Alabama. Last niht I dreamed about the day that I plowed the field of about 10 acres over on what Jimmy and Dandy called the Ledbetter field. I was driving the 1948 8N Ford tractor that Jimmy bought in 48 new This was prebably in about 1951 and maybe even befor the house was built. This would have made me to be about16 years old and I drove the tractor for nothing and would have paid to drive it if I had had any money which I didn't, but neit
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