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Re: Air filters on race cars??
[Re: sr4440]
#1715085
12/25/14 01:28 PM
12/25/14 01:28 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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When we were designing air filters and housing we designed them for the max power... ALL filters are a restriction but we had to use that to our benefit.. I prefer to have the filter element as a remote and plumb the air in with a nice radiused inlet to the carb or throttle body to straighten the air out 
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Re: Air filters on race cars??
[Re: radar]
#1715087
12/25/14 01:34 PM
12/25/14 01:34 PM
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Joined: Jan 2003
Posts: 17,918
Akron, Ohio
ProSport
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,918
Akron, Ohio
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Quote:
I remember a few years ago this came up and everybody was talking about how they use one of those filters that looks like a flat box with a wedge in the front all the air came in the top/front. Don't remember the name. I remember looking them up since I was looking for a better option under my 340 scoop. Too much $$ for my street effort.
Uni-Filter, they are expensive.....
http://www.hoffpro.com/category_s/95.htm
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Re: Air filters on race cars??
[Re: ProSport]
#1715088
12/25/14 01:42 PM
12/25/14 01:42 PM
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Joined: Jan 2003
Posts: 17,918
Akron, Ohio
ProSport
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,918
Akron, Ohio
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If my car ever makes it to a track I will probably use a screen from Intensity, it will at least keep rocks and birds out. I can only fit a 10x2.75 air cleaner on my car and there's no way it will feed a 500" engine at WOT. Speaker covers work also, as Sixpackgut mentioned. I had a 340 Scamp years ago that ran great with a 14x5 K&N but my big block cars have always slowed down with an air cleaner so I ran for many years without one. http://intensityracingproducts.com/proseriesscreens.html
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Re: Air filters on race cars??
[Re: J_BODY]
#1715091
12/25/14 01:54 PM
12/25/14 01:54 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
UNI filter worked well with our cowl hood on our W5 mill.... unfortunately this set up came in at .75" too high, so the 4150 carb is on for the time being. I never ran a filter on the Mirada. Dang top of the carb was up in the Dart Sport hood scoop I was running.... no room.
....and yes, these are basically "bug and rock" catchers imho, kind of like the K&N filters I see in so many diesel trucks.... with blowby.
The Uni you show here.. how tall is it... I have to
find something(or build) to fit under my cowl hood..
with a 4150 I can fit a 14 X 3" but with the new
throttle body it sits taller... plus I have to have
a spacer to clear the linkage
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Re: Air filters on race cars??
[Re: J_BODY]
#1715094
12/25/14 02:06 PM
12/25/14 02:06 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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From the measurements it looks like I might be making something... but I'll make my final measurements today when I can close the hood(still working under there so I have to clear some stuff out of the way)
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Re: Air filters on race cars??
[Re: J_BODY]
#1715099
12/25/14 02:51 PM
12/25/14 02:51 PM
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Joined: Oct 2003
Posts: 7,506
Az
Crizila
master
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master
Joined: Oct 2003
Posts: 7,506
Az
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Haven't tried running without it yet. Any debris in there could be expensive. I believe Procharger recommends a filter.
Fastest 300
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Re: Air filters on race cars??
[Re: Crizila]
#1715100
12/25/14 03:08 PM
12/25/14 03:08 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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I think I'll do like Doug did and make a base for the Uni... but I need to make a plate to seal in the cowl so I'll see what I can come up with.. first I need to get the injection running... see if I can down load the basic program today if I get the chance
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Re: Air filters on race cars??
[Re: WheelsUp73]
#1715102
12/25/14 05:47 PM
12/25/14 05:47 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
I run a 14 x 3 filter in a Ram Air Box. I picked up .2 in the qtr and 4 mph with this setup vs an open carb unfiltered with no hoodscoop.
It should since you were putting some pressure to the
intake with that set up
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I also wonder about the different shapes and locations and it`s affects on air flow w/these different designs(Uni)type being that there`s a wall if you will around the carb instead of air flowing over and through like the standard round types.............. 
Time to get my thinking cap on and see how I can improve my set up some. 
