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Old 09-08-2014, 02:21 PM
leathermang leathermang is offline
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Join Date: Sep 2001
Location: central Texas
Posts: 17,281
Most of these posts have told he truth...and have pointed out various valid reasons... several of which are new to me...showing that these engines are so well designed and built as to be amazing..

but here is my bottom line for you figuring out that ' cooling ' the air ( and remember that if you do not add the proper ratio of fuel you have not increased the power output ).....

You are already turbo charging your diesel engine...

take the number of degrees you THINK you can reduce the input air by.... and use the laws of gases and find out how much added air you might be able to pack into your cylinder.... MINISCULE amount..... even at the ( wrong ) amount of cooling you think you can accomplish given the ambient air temperature outside the car or inside the engine compartment ( that having been heated by the radiator and condenser ).....

A gas engine is different.... you can increase the overlap of the valves... basically wasting some or a lot of fuel in order to increase the power output... and decreasing the temperature of the air ...when you are depending on atmospheric pressure to fill the cylinder....has some benefit .... usually gained by simply accessing the outside air... But in a diesel you are bound by the need physically to have both valves closed at the top of the cycle when the fuel is injected. You just do not have the physics on your side when dreaming about an intercooler.... You can have one...and use it for bragging rights.... but those in the know will see it as foolishness... a waste of money...
So there is the final argument from the Luddite community..... according to tjts1.
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