Something you maybe didnt know... The K&N oil is petroleum based. aFe oil is not. AFE oil is very different and causes much less problems related to the oil coming
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11-01-2013, 11:08 PM | #49 (permalink) | |
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they test. K&N Engineering Air Filtration Efficiency Testing Protocol where are their results?
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11-02-2013, 02:13 AM | #50 (permalink) |
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The longer tubes most likely have nothing to do with it.
Better flowing cone filters, pipes air in from outside car. Short rams that were COMPLETELY shielded like the factory airboxes should work just as well, but there's really nothing like that. Bigger diameter tubes (with MAF sensor re-calibration to allow for the difference in voltage readings) should make more power, but I was under the impression that the Stillen's were OEM diameter (I could be mistaken on this...)
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11-02-2013, 02:54 AM | #51 (permalink) | ||
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the reason stillen intakes make more power over stock is it is tricking the ECU by mechanically leaning it out(like all intakes except for AEM) so the computer will only read X amount of air when there is really X+Y air(Y being the additional air not accounted for), and that combined with the cold air and better flow account for the rest of the gains Quote:
if someone were to modify a stock airbox to fit on a SRI and completely seal it off from the engine bay, in theory it should outperform the long tube intake at speed because it is getting similar temps as the LTI and there is less restriction and in some cases(like fujita intakes), the short rams are physically larger than the long tubes are EDIT these videos are pretty interesting
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SOLD 370z New Car:classified DD:2011 Mini Cooper S stock Last edited by luigi90210; 11-02-2013 at 03:12 AM. |
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11-02-2013, 03:20 AM | #52 (permalink) |
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^Mighty car mods... Sorry, those guys are retards...
CAI on an intercooled car almost defeats the purpose, I agree, all you're beating is less restriction... And the other car is a POS
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11-02-2013, 01:15 PM | #53 (permalink) | |
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they have a pod filter episode as well and it shows pod filters dont flow any more than pannel filters
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SOLD 370z New Car:classified DD:2011 Mini Cooper S stock Last edited by luigi90210; 11-02-2013 at 01:28 PM. |
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11-02-2013, 07:24 PM | #54 (permalink) | |
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11-02-2013, 07:37 PM | #55 (permalink) | |
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11-02-2013, 08:04 PM | #56 (permalink) |
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The stock intake is not optimized for flow and only flow. It is designed to quiet the sound of intake air and to prevent the vehicle from sucking in water into the combustion chamber.
The reason why aftermarket cold air intakes increase horsepower (which is just flow) is because they have fewer restrictions and allow for a higher amount of cfms to come through the pipe than the factory snorkel/filter. One has a more focused purpose, which it accomplishes. The length of the tube is overall the same or only slightly longer than the factory intake, but it is straighter, wider, and simpler. As a result, air flows through it more easily. Therefore the vacuum in front of the intake valves draws in more air. Length isn't the ONLY factor here. The overall design of the factory intake is not optimized for flow. That's the problem.
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11-02-2013, 08:08 PM | #57 (permalink) |
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I got to laugh at some of the posts on here. Good entetainment.
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11-02-2013, 08:11 PM | #58 (permalink) | |
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11-02-2013, 08:27 PM | #59 (permalink) | |
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11-02-2013, 10:25 PM | #60 (permalink) | |
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I agree with it does help coming from a certain point and not with it doesn't matter. If it didn't matter than having the radiator running in the summer would produce the same temps as in the winter. We're only talking about 20-40 degrees maybe difference but you can see big temp swings. Keeping the compressor housings as cool as possible will increase results. A cai even in a turbo car will be better than a sri in the engine bay.
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