Re: Air filters on race cars??
[Re: Moparmal]
#1715166
12/31/14 09:37 AM
12/31/14 09:37 AM
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Joined: Mar 2009
Posts: 2,490 Sydney,Australia
tex013
top fuel
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top fuel
Joined: Mar 2009
Posts: 2,490
Sydney,Australia
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Mal , good to see you still plugging away FWIW i have dynoed my 440 and have found less than 5 rwhp difference aircleaner to no air cleaner ., but i have seen 20/25 rwhp gain with my air box . With a six pack scoop i would never run filter free , see a few motors eat something they shouldnt on drag strips . I run a 14x3 k&n with filter top , with drop base attached to the air box which is heat resistant fibreglass sheet . Maybe a taller filter may help Nearly time for a new season to start Tex
New best ET 10.259@129.65 . New best MPH 130.32 Finally fitted a solid cam, stepped it up a bit more 3690lbs through the mufflers New World block 3780lbs 10.278@130.80 . Wowser 10.253@130.24 footbraking from 1500rpm Power by Tex's Automotive
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Re: Air filters on race cars??
[Re: Thumperdart]
#1715169
12/31/14 03:20 PM
12/31/14 03:20 PM
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Joined: Mar 2006
Posts: 2,686 Mt. Eden Ky.
Hemi Allstate
master
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master
Joined: Mar 2006
Posts: 2,686
Mt. Eden Ky.
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Good info thankxxx.............So my 14x3 has been killin me from day one and the K&N site sez the 14x3 flows under 700 cfm and the Wix racing 4" flows 1000+ so that`s my next purchace. My s$%^z gonna fly next time out.......... This is good info. I had to switch to a 3" K&N from a 4" (both 14" dia. with K&N Extreme lid) when I changed carbs to a Dominator. It looks like I likely was choking the carb/engine. The Wix racing site shows their 14" X 3.01" to flow 1000 + CFM and they offer them in 1/4" taller increments too! Thanks, Mark
Last edited by Hemi Allstate; 12/31/14 04:56 PM.
1996 Ram 1500 Sport 1968 road runner 1952 Sears Allstate licensed, pump gas, Hemi 5.98 @ 115.73 1.33 60 ft. The best is yet to come. Painless Performance / Street RODDER magazine Top 100 for 2019
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Re: Air filters on race cars??
[Re: Moparmal]
#1715170
12/31/14 04:51 PM
12/31/14 04:51 PM
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Joined: Aug 2003
Posts: 43,714 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,714
Bend,OR USA
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Moparmal, don't forget we race cars with motors, not motors on dynos The reason I'm pointing this out is I saw 8 HP loss on two different motors on two different engines dynos at two different altitudes testing the K&N Extreme filter lids and eventually ended doing a at the track test back to back to back, A,B,A, in less than twenty minutes between each run and saw a .020 to .030 ET reduction(quicker) and .3 MPH increase on a 3x14 filter using the lid This was on a 440 powered Duster with a sixpak type scoop molded on it, the air cleaner lid was close to the top of the scoop, less than a fingers width at the rear It was not sealed to the scoop either some of this hot rodding and race stuff doesn't always make since, HUH Test, test and test some more to learn whar does work
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Air filters on race cars??
[Re: Thumperdart]
#1715171
01/01/15 05:02 AM
01/01/15 05:02 AM
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Joined: Jan 2003
Posts: 3,943 Melbourne.....Oz-land
Moparmal
master
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master
Joined: Jan 2003
Posts: 3,943
Melbourne.....Oz-land
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Quote:
470 BB 7500 max.............
You need appx 164 sq" of filtering area.
A 14x3 wont do it
A 16x3 wont do it (150.75sq")
A 14 x 4" WILL work.....179 sq"r
A 14 x 3 with extreme lid will work also.... = 221 sq" of filtering area.
On the issue of filter tops...I agree people do their own trialling..
BUT... theres no point doing a back to back if the filter without the lid wont support the required flow..........
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Re: Air filters on race cars??
[Re: mopar dave]
#1715176
01/02/15 12:24 AM
01/02/15 12:24 AM
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Joined: Mar 2003
Posts: 9,112 Rogue River, OR
Jeremiah
master
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master
Joined: Mar 2003
Posts: 9,112
Rogue River, OR
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http://www.r2cperformance.com/I like the idea behind these filters but I need to call them and ask about the base not having an "ideal entry" even though they sell a sub stack like product. Great information in this thread. I guess I'll save my velocity stacks for looks when the car is in the shop.
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Re: Air filters on race cars??
[Re: Crizila]
#1715183
01/02/15 12:53 PM
01/02/15 12:53 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:
Lots of good info, except on the particulate size these different filter Mfg's are trying to keep out of your engine. Any of them can give you some awesome flow numbers if they are just trying to keep out - marbles.
Thats what all this is about... what micron is the filter
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