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Joined: May 2005
Posts: 16
New CEG\'er
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OP
New CEG\'er
Joined: May 2005
Posts: 16 |
My question is this, on the dyno, I post 3-4 more HP with a KKM vs a stock airbox and K&N filter on a 98 SVT. Is this extra gain just as a result of the hood being open? I mean once the hood is closed and the temps go up a bit, is the stock airbox going to far outperform a KKM ?
I know this is beaten to death but I need users opinions on it. Logic would tell me not to worry about the dyno...
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Joined: Sep 2000
Posts: 9,602
Hard-core CEG'er
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Hard-core CEG'er
Joined: Sep 2000
Posts: 9,602 |
A K&N drop-in is worth about 1HP on stock & 1-2HP on an SVT.
2000 SVT #674
13.47 @ 102 - All Motor!
It was not broke; Yet I fixed it anyway.
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Joined: May 2005
Posts: 16
New CEG\'er
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OP
New CEG\'er
Joined: May 2005
Posts: 16 |
So how does that 1HP gain compared to a KKM with the hood closed sucking hot air? I dont mean to try and make the KKM or other open air filters sound bad but I'm curious if the gains are still there once the hood is closed. For overall performance on the street/strip, which is better? Thanks 
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Joined: Apr 2005
Posts: 105
CEG\'er
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CEG\'er
Joined: Apr 2005
Posts: 105 |
open air filter should be better, but u should listen to "smart" people on here, they realy know what they are talking about! 
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Joined: Dec 2003
Posts: 4,155
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Dec 2003
Posts: 4,155 |
Comments like those give away the brown spots on your nose!   Without a shield, I noticed hardly any difference. With a CAI, I noticed more torque made in the mid rpm range (but this is with an svt TB). I want to say that an unshielded cone filter -alone- just does it's job and no power gains are really made.
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Joined: Aug 2001
Posts: 5,810
Hard-core CEG'er
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Hard-core CEG'er
Joined: Aug 2001
Posts: 5,810 |
There will only be a benefit in stop and go traffic or idling at a light. Once you get your car rolling 30mph there is enough fresh air flowing for an airbox to have a negligible advantage over an open cone filter in the engine bay.
However, while you're staged at a drag light and the heat is soaking, you will have to be almost into the 1/8th mile before that good fresh air really has an effect.
The best would be to have a fender mounted filter, as big as you can fit feeding a 3" intake pipe, or a nicely designed airbox with filter being fed by at least a 3" pipe or bigger.
The stock airbox is too restrictive with too many 90 degree turns.
A stock SVT airbox is pretty decent for an average contour but the restrictive opening through the fender is just too small for it.
On my 3L my SVT airbox w/K&N drop in was a dyno-verifiable restriction, to the tune of about 5 HP!
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black
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Joined: Jan 2001
Posts: 4,760
Hard-core CEG'er
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Hard-core CEG'er
Joined: Jan 2001
Posts: 4,760 |
Ive been going back and forth in my own mind as well as if i should go back to an open filter. Right now i got the drop in K&N with the bottom of the box cut out. I do notice a nice differnce but im wondering if i could get more outta her if i go back to an open filter. 
Team Evo
Staz: You know why they call it Skunkworks?
Everyone: Why?
Staz: Because everything that comes out of it stinks!!!
Steeda-I hate you stazi
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Joined: Aug 2001
Posts: 17,248
CEG road warrior
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CEG road warrior
Joined: Aug 2001
Posts: 17,248 |
Originally posted by I-Dom-In-8-130Hp:
Ive been going back and forth in my own mind as well as if i should go back to an open filter.
Right now i got the drop in K&N with the bottom of the box cut out. I do notice a nice differnce but im wondering if i could get more outta her if i go back to an open filter.
Yes.....then we get Pole to make another ghetto heatshield.
Hector
2003 Rally Red Mitsubishi Evolution VIII
257HP/259TQ
2005 Lapis Blue Mazda 6s
RET: 00 Cabernet Red Ford Contour Zetec ATX SUPERCHARGED
160HP/141TQ
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Joined: Mar 2004
Posts: 4,141
Hard-core CEG\'er
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Hard-core CEG\'er
Joined: Mar 2004
Posts: 4,141 |
Originally posted by LoCo*NeedMtx*Zsc:
Originally posted by I-Dom-In-8-130Hp:
Ive been going back and forth in my own mind as well as if i should go back to an open filter.
Right now i got the drop in K&N with the bottom of the box cut out. I do notice a nice differnce but im wondering if i could get more outta her if i go back to an open filter.
Yes.....then we get Pole to make another ghetto heatshield.
i have a digree in engineering......
99 SE V6\5spd - 156 HP\157 TQ 15.166-90.84
Totaled 02/12/06
99 SVT # 1571 - 175 HP\153 TQ 14.999-91.88
Born 3/24/99 Reborn 3/18/06
Pietenpol Racing Technologies project vehicle
90 Festiva L 5spd, Blue(not for long), 103k
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Joined: Jan 2001
Posts: 4,760
Hard-core CEG'er
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Hard-core CEG'er
Joined: Jan 2001
Posts: 4,760 |
Originally posted by pole120:
Originally posted by LoCo*NeedMtx*Zsc:
Originally posted by I-Dom-In-8-130Hp:
Ive been going back and forth in my own mind as well as if i should go back to an open filter.
Right now i got the drop in K&N with the bottom of the box cut out. I do notice a nice differnce but im wondering if i could get more outta her if i go back to an open filter.
Yes.....then we get Pole to make another ghetto heatshield.
i have a digree in engineering......
Buwhahahahaha
Team Evo
Staz: You know why they call it Skunkworks?
Everyone: Why?
Staz: Because everything that comes out of it stinks!!!
Steeda-I hate you stazi
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