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Old Jan 30, 2017 | 01:32 PM
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BWD444
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Air in Manifold

I have heard that some 4.9l have air in the manifold instead of the head. Is this true and what years have this? I assume they use the split manifolds but are tapped for a port is that correct? Which manifold is this front or rear? Would be nice to get rid of the head injection manifold woes.

Brian
 
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Old Feb 10, 2017 | 11:53 AM
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BWD444
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Air in manifold

Hello All,
Is there anyone who knows about this? I really would like to know if such a set up actually exists or is this a myth.
 
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Old Feb 13, 2017 | 11:30 AM
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AbandonedBronco
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Hi BWD, sorry no one's getting back to you on this.

Air in the manifold is something that *might* exist, but I've never seen or heard of it. I know it switched from speed density to MAF in '96, but I don't know if that was only a computer thing, or if there were external changes to the engine.

Hopefully someone will be able to help you out.
 
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