Quote:
Originally Posted by flash968
i'm looking at the 3rd picture and it clearly shows the hose going inside what looks to be the funnel, with a rather large gap. if that's not it, and the hose makes an entry to the funnel that does not present any edge to catch air, then fine. the funnel will then help the air get in. it won't be as effective as a velocity stack, but it will help.
as long as the hose was cut, and not just compressed, then you will minimize the turbulence inside. a mandrel bent pipe would still flow better.
the thing to do next is to measure the intake temp change. you get about 2hp for every 15 degrees of intake temp dropped.
a manometer would then be the next thing to use to see if the pressure change resulted in better flow.
as for gains, ram air systems get their power from both increased flow, and reduced temperature. as such, they can have gains from idle up, though the most significant increases are at road speed.
regarding water, you have to use your head here. if you submarine the intake, you'll mess things up. however, i have yet to see anybody pick up any water from a location like that during non-immersive driving and send it uphill into the engine to the extent of doing any damage. the filter would stop it anyway.
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Maybe i'm missing something. The only edge present is from the fog light opening to the funnel but i'm not going to ruin my valance in order to make a perfect intake .I'm not saying it was a very good setup but i actually got good results from it and have come to the conclusion that is not worth it.
Regarding the water ingress i wish you best of luck with your theory ,when you get to actually test that get back to me.
Anyway non of this is relevant anymore as i removed the hose after the water incident last year.