Quoting Removed, click Modern View to see I will agree with Thermal energy! The answer is,,,,
The EXHAUST DENSITY !
Try this scenario, If you take an engine at (Idle) And step on the throttle until the Governor takes over. YOU DO NOT HEAR BOOST. You hear the turbo whining, Not the same and no boost.
(Typically on a diesel Or Gas Engine).
Now Put into gear and power brake it, Or under Load like pulling A hill, You will hear the Turbo spin up and hear it start making boost pressure. Is The best way I know how to explain This.
The (Exhaust Density) Is the UN-BURNT FUEL (Black Smoke) That drives the exhaust side of the Turbo. The heaver the Un-Burnt fuel ( Over Fueling, Un-Burnt Hydrocarbons ) The higher the Boost. Until it's over heated and melts down the Turbo or the Waste Gate opens to relive boost pressure.
All I can Say is Yes Exhaust ! But It's The DENSITY OF THE EXHAUST.
Kinda like driving on A Foggy Day. The engine has more power!
Why, The Density Of the AIR that is introduced to the engine.
(HEAVIER)
I Like You all, And I think there were some good answers,
Just remember DENSITY OF UN-BURNT HYDROCARBONS in the EXHAUST is what drives a Turbo.
So Jacking up your fuel rail is not a good idea! Of what I am saying!! Just trying to help, So you can refer to this in the future. Hope it helps and just remember A Plugged Air Cleaner can do the same and melt it down.
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Today's Featured Article - A 1937 John Deere Unstuck - by Gary Hickman. Here is my story of how I got the pistons out of a 1937 JD B that the engine had been stuck for about 14 years: About 12 years ago my Dad gave me one of the tractors I ran as I was growing up on our farm in central Nebraska. The engine on this tractor, a 1937 John Deere "B", had been stuck for 2 years before he gave it to me. This last spring (1999) I hauled the tractor to our 2 acre lot in St. Libory Nebraska where it joined my antique machinery collection, at that time a 1929 Caterpillar T
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