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The air flow itself will calm down (in my theory) because of the smooth runner walls, floors and roofs from the polishing. The air-to-surface friction will be reduced, but only minimally. When polishing the intake and porting the minor defects out. I figured this thread couldn't go without exchanging air flow discussion & theories either!! Here is what I think how it is in the diesel world. Which heads are the pain-in-the-rear to even try to improve? Which brings up more questions.Īll "classes" involved here -> Light - medium - heavy duty I came across one thread the other day (can't remember the title - I was skimming through) where one mentioned that a certain head you couldn't reach most of the intake port for doing this. How many have ported diesel heads in here with postive results? Little or big, improvements are always needed/desired. But havent chatted about it with others yet. Which, in my eyes makes me want to polish the intake runners (like the exhausts) and take down (and shape) any potential "turbulence producers" if you will.
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So there is no worry about puddling & wet flow what-so-ever in the diesel world (YES!!). One thing diesels do not have traveling through the intake tract with the air is fuel like carbureted gasoline/alky engines do.
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Please chime in wether you have a large amount or small amount of experience, everything helps!:thumbsup Being that I am a rook in the world of porting/head modification, I would like some input on working diesel heads if that is no trouble.