Turbo 4.0L - JeepForum.com

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post #1 of 66 Old 06-20-2010, 12:20 PM Thread Starter
SaskJeep2000
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Turbo 4.0L

Used a t04b














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post #2 of 66 Old 06-21-2010, 03:11 PM
Skytard
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Alright call me retarded or something but Why is your turbo connected to your intake? Turbos are off the exhaust. unless you were using the intake as a cooler?

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post #3 of 66 Old 06-21-2010, 03:13 PM
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I think I must be retarded too b/c I thought the same thing
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post #4 of 66 Old 06-21-2010, 03:16 PM
Rallysman
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It's exhaust driven but what good would that do if it's not putting the air where it should be?

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post #5 of 66 Old 06-21-2010, 03:18 PM
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His set up is right. Search alittle. Assured Performance .::. How A Turbocharger Works

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post #6 of 66 Old 06-21-2010, 03:19 PM
-Deepskyy-
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I know the intake part of the turbo is correct, but I'm trying to follow the piping too and the thing I can't figure out is how the exhaust (drivers side) gets to the turbo. Did you pull the impeller pipe under the engine and up to the turbo?

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post #7 of 66 Old 06-21-2010, 03:19 PM
SkyHigh
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The turbo is fed from the exhaust gases, it uses the exhuast to spind the turbine,it then compresses the air, and forces it into the trhottle body.

wiki defintion:

A turbocharger is a small radial fan pump driven by the energy of the exhaust gases of an engine. A turbocharger consists of a turbine and a compressor on a shared shaft. The turbine converts exhaust heat and pressure to rotational force, which is in turn used to drive the compressor. The compressor draws in ambient air and pumps it in to the intake manifold at increased pressure, resulting in a greater mass of air entering the cylinders on each intake stroke.

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post #8 of 66 Old 06-21-2010, 03:19 PM
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post #9 of 66 Old 06-21-2010, 03:25 PM
dand3053
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Quote:
Originally Posted by Deepskyy View Post
I know the intake part of the turbo is correct, but I'm trying to follow the piping too and the thing I can't figure out is how the exhaust (drivers side) gets to the turbo. Did you pull the impeller pipe under the engine and up to the turbo?
It looks like the last sentence you wrote is right. There appears to be a pipe running under the oil pan up to the turbo. If you look close at the last couple of pics you can kinda see it.
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post #10 of 66 Old 06-21-2010, 03:32 PM
Skytard
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Oh I never knew that the exhaust gasses were forced back into the engine. I thought that they were just forced out of the engine for getting rid of ehaust gasses faster. Wouldnt the compressed air from the turbo sent back into the throttle body be hot air? Help me out here, im just trying to figure this out.

Poor college student.
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post #11 of 66 Old 06-21-2010, 03:53 PM
arjj09
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The exhAust doesn't go back into the engine. A turbo has two sides. One side is mounted to the exhaust manifold and as the engine forces the exhaust out it causes the turbine to spin and then exits through the exhaust pipe. As the turbine spins on the exhaust side it causes the intake side to spin. This causes the air intake to suck in more air and it compresses it then it usually cools it and it is pushed into the engine causing more power.
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post #12 of 66 Old 06-21-2010, 03:54 PM
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there are 2 turbines on a turbo, 1 for the exhaust which spins the compressor turbine for the intake side. the exhaust gas flows through the backside of the turbo which spins the pinwheel that is on a driveshaft - the intake side of the turbo sucks cold air in and compresses it and forces it into the engine at several atmospheres.

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post #13 of 66 Old 06-21-2010, 03:56 PM
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Quote:
Originally Posted by Skyler1997TJ View Post
Oh I never knew that the exhaust gasses were forced back into the engine. I thought that they were just forced out of the engine for getting rid of ehaust gasses faster. Wouldnt the compressed air from the turbo sent back into the throttle body be hot air? Help me out here, im just trying to figure this out.
The air is much hotter! That is why a intercooler is used on most applications. There is the standard air cooled intercooler or water cooled. The water cooled works great and takes up much less room but will hydro lock a engine if it begins to leak
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post #14 of 66 Old 06-21-2010, 07:38 PM Thread Starter
SaskJeep2000
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I didn't intercool it since I live in a some-what cold climate most of the year and I'm only running about 7psi boost. I do plan on intercooling it eventually for efficiency's sake but it works quite well as is.
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post #15 of 66 Old 06-21-2010, 07:51 PM
Skytard
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Ok tell me if this sounds about right. There are two sides to a turbo, one side to get rid of gasses faster and another side that acts as a supercharcher(my idea of a super may be wrong but i think it just forces air into the throttle body)? So if thats true, whats the point of even supercharging an enine if a turbo does exhaust and intake?

Poor college student.
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