Explain difference between manifold pressure and boost. - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 4 (permalink) Old 02-18-2010, 01:36 PM Thread Starter
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Explain difference between manifold pressure and boost.


Explain the difference between Manifold pressure and turbo boost , please.
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post #2 of 4 (permalink) Old 02-18-2010, 01:44 PM
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Re: Explain difference between manifold pressure and boost.

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Originally Posted by erskine_e View Post
Explain the difference between Manifold pressure and turbo boost , please.
same thing if boost pressure is read on the cold side of the IC.

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post #3 of 4 (permalink) Old 02-18-2010, 04:46 PM
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Re: Explain difference between manifold pressure and boost.

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Originally Posted by Powerstroke Racer View Post
same thing if boost pressure is read on the cold side of the IC.
That is after you subtract the barometric pressure that the manifold pressure sensor reads.
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post #4 of 4 (permalink) Old 02-18-2010, 05:06 PM
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Re: Explain difference between manifold pressure and boost.

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Originally Posted by 907DAVE View Post
That is after you subtract the barometric pressure that the manifold pressure sensor reads.
I bet that is what the OP is asking. The sensor is measured in absolute and the boost gauge is in gauge pressure. Add atmospheric pressure to the boost pressure and you will have absolute pressure (what the sensor is reading).

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