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Old 06-24-2014, 11:51 PM   #1
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Polishing intake manifold

I just took my intake manifold off of my car I want to polish it in and out. Is polishing a good idea ive head it said that it my not let the fuel air mixture mix as well I just need some opinions and facts about it. Good idea or no? How is it done?
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Old 07-03-2014, 01:31 PM   #2
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fuel only flows thru the last couple of inches of your lower intake.
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Old 07-05-2014, 12:15 AM   #3
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At the bottom of the lower intake you have to worry about poor atomization. Poor atomization also produces an engine that does not run well, since the mixture entering the cylinders varies on each bore and cycle. This potentially creates an unstable idle, tip-in hesitation, and a general lack of performance, along with a higher rate of fuel consumption. Thus, it's very important for the fuel to be completely atomized. For the engine to perform as designed, the maximum possible chemical-to-mechanical energy conversion must occur.


I can tell you how to port the upper intake if you are interested? It is only worth 3 hp. unless the intake is cut open polished and welded back together. If you do the lower intake also YOU WILL GAIN 8-10 HP.
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Old 07-10-2014, 08:29 PM   #4
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would it be better to do a windstar intake. The thing with the engine im doing it on is I bought it its out of a 99 v6 so im just taking it apart and doing small stuff to it for now till after college then im going to rebuild it and build it up so would it be better to do a port an polish or just find out more about converting to a windstar intake
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Old 07-11-2014, 01:35 PM   #5
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The Windstar is better. You will gain 7 hp. n 15 tq. You should ask Pancho about the swap.
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