power loss from adding pipe to fit a bigger filter!!
power loss from adding pipe to fit a bigger filter!! So I was curious to know if there is any power loss from adding a foot and a half of pipeing or so to fit a bigger filter on my car for more cfm sucked in. I currently have a 6 inch filter and would like a 9 inch filter. However the only way this is going to happen is if I ad some stainless bends to the induction side of the turbo.
Would this benefit me or would this be a positive negative situation and cancel eachother out….
Would this benefit me or would this be a positive negative situation and cancel eachother out….
Good question. You'll probably never really know unless you test it both ways on your own set-up. If I were you, I'd fit the biggest AEM Dryflow filter you can fit on the shortest inlet pipe possible. I'd make the short pipe length a priority....those conical filters should provide sufficient surface area.
From the looks of your kit you have the filter coming right off the turbo? If so then I would think it's sucking up alot of hot air there. If you were to run a pipe with a bigger filter that can reach the fresh air, I would think you could gain some hp there.
Where you can get fresh air from. If you can get in the front of the fender/bumper, that would be best. I know the passenger side has the coolant overflow , but you could get a after market one and then put it there.
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ok i found out that my filter is only drawing in 459 cfm at 6300 rpms! for the amount of boost i am running for my engine to run at best it needs 1059 cfm!! that is a hole 600 cfm my engine is being starved does anyone have HP calculations loss for CFM??
or can anyone take a guess remember that is at 6300 so maybe my filter is supplying enough befor that i guess i can do the calculations.....what do you guys think!
or can anyone take a guess remember that is at 6300 so maybe my filter is supplying enough befor that i guess i can do the calculations.....what do you guys think!
Originally Posted by TondSS
ok i found out that my filter is only drawing in 459 cfm at 6300 rpms! for the amount of boost i am running for my engine to run at best it needs 1059 cfm!! that is a hole 600 cfm my engine is being starved does anyone have HP calculations loss for CFM??
or can anyone take a guess remember that is at 6300 so maybe my filter is supplying enough befor that i guess i can do the calculations.....what do you guys think!
or can anyone take a guess remember that is at 6300 so maybe my filter is supplying enough befor that i guess i can do the calculations.....what do you guys think!
I think those formulas are way too generic...any of the guys who have taken fluid dynamics courses can tell you there's much more going on than just plugging in a few numbers and calling it a day...it MIGHT be a restriction, but there's no way it's starving your motor of 600 cfm (1059-459) or whatever the difference was...the turbo is going to suck through the filter, and if it was a big enough restriction, suck the filter in itself lol...
Is...
Originally Posted by LTLHOMER
I think those formulas are way too generic...any of the guys who have taken fluid dynamics courses can tell you there's much more going on than just plugging in a few numbers and calling it a day...it MIGHT be a restriction, but there's no way it's starving your motor of 600 cfm (1059-459) or whatever the difference was...the turbo is going to suck through the filter, and if it was a big enough restriction, suck the filter in itself lol...
I have first hand experience with filtering being restrictive. My turbo Buick suffered that problem. That's why I did the T/S, to find out what was causing it...It was corrected, once the filtering was upgraded....
[At first, I thot I'd gotten the doors off a couple Camaros, or Moosetwangs caught in the filter.]
Originally Posted by chuntington101
location, location, location. lol
dont worry about the restriction if you get to put the filter in a cooler spot.
Chris.
dont worry about the restriction if you get to put the filter in a cooler spot.
Chris.
Most people underestimate the importance of getting cool air to their filter(s) on a FI engine - dont need a PhD in flow dynamics to figure that out.
Best thing to do is TRY it instead of asking people on the internet, you can use a calculator to justify just about any argument you wish but nothing beats pulling the filter off and see how much power it picks up then running a couple 90s into some cooler air and seeing what happens, then sticking the filter back on. You may be surprised what happens..