How-To : Port a stock Intake Manifold
Nov 27, 2009, 11:50 PM
#33
Old how to thread I know but thought I would add that placing a wad of paper towel into the runners right past the grinding area helps to keep shavings from falling in too. This is what I did when I ported mine and I was able to pull the paper towel out after each runner was ported and had globs of shavings (most of it) come out with it. 
Oct 16, 2010, 01:29 AM
#36
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to port our intake manifold the plenum really needs to be cut so you can reach back in there farther. the most you should do to a stock intake manifold with no headwork should be a clean up. you are actually creating a pocket when you port just the beginning of the runners which causes a low vacuum area that causes the air to have less turbulence.
Oct 16, 2010, 04:03 AM
#37
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I've thought about just "polishing", no real removal of material, just a reduction in friction like I think you are saying. Any real benefits though you think? I am referring to a turbo'd engine in a base lancer btw, I don't care so much if there are benefits to a N/A lancer.
Apr 13, 2011, 06:27 PM
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porting
What is porting the TB or is everyone talking about the Intake Manifold?
What do you actually do? Just grind it down a little?? Or increase the openings? And if second, how do you know how big to go??
What do you actually do? Just grind it down a little?? Or increase the openings? And if second, how do you know how big to go??
Apr 14, 2011, 06:48 AM
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