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 - When Push Comes to Shove - by Dave Patterson. When I was a “kid” (still am to a deree) about two I guess, my parents couldn’t find me one day. They were horrified (we lived by the railroad), my mother thought the worst: "He’s been run over by a train, he’s gone forever!" Where did they find me? Perched up on the seat of the tractor. I’d probably plowed about 3000 acres (in my head anyway) by the time they found me. This is where my love for tractors started and has only gotten worse in my tender 50 yrs on this “green planet”. I’m par
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