Advanced Forced Induction & N/A Engine Tuning This forum is brought to you by Racing Greed in Port Coquitlam.
Supercharger vs Turbocharger vs NA? Hondata vs Megasquirt? 94oct vs 87oct? Through technical discussion, let's find out what will the best option for you...
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03-02-2011, 08:51 PM
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#1
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Everyone wants a piece of R S...
Join Date: Feb 2011
Location: Los Santos, USA
Posts: 383
Thanked 524 Times in 140 Posts
Failed 42 Times in 9 Posts
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K&N Airfilters with a hotwire MAF
Will putting K&N filters on a car with a hot wire mass air flow sensor screw with the sensor? I heard the K&N's are oil based and will coat the MAF causing a LOSS in power, even damaging the MAF's in some cases..
Should I stay away, or is it fine?
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03-02-2011, 09:30 PM
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#2
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OMGWTFBBQ is a common word I say everyday
Join Date: Dec 2008
Location: Richmond
Posts: 5,105
Thanked 2,890 Times in 990 Posts
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http://www.knfilters.com/MAF/massairfindings.htm
although it IS published by K&N, it says it doesnt damage the MAF
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03-03-2011, 05:06 AM
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#3
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2x Variable Nockenwellen Steuerung
Join Date: Oct 2002
Location: N49.2 W122.1
Posts: 6,176
Thanked 1,174 Times in 704 Posts
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You should consider a cost/ benefit ration.. a heated wire MAF replacement cost vs imagined horsepower / better sound worth to you.
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05-15-2011, 02:35 PM
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#4
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Proud to be called a RS Regular!
Join Date: Aug 2009
Location: vi
Posts: 110
Thanked 2 Times in 2 Posts
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before you install the kn clean off all the excess oil from the filter ,youl be surprised with how much u are able to wipe away with a lint free towel...also periodic cleaning (very gentle) of the maf is good insurance..It was a common prob on 5.0s causing irradic idle and hanging revs ,which had guys changinging out tuneup parts unnecesarily trying to solve such an ez prob..
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10-19-2011, 07:04 PM
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#5
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Banned (ABWS)
Join Date: Nov 2010
Location: LM
Posts: 350
Thanked 123 Times in 53 Posts
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It damages the MAF, ask any Nissan technician. Overtime the oil will coat the wires.
K&N are junk filters, either go AEM DryFlow or Apex'i.
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10-20-2011, 02:35 PM
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#6
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RS Veteran
Join Date: Dec 2001
Location: Your Location
Posts: 33,898
Thanked 15,483 Times in 6,537 Posts
Failed 550 Times in 370 Posts
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Damages the MAF and +1 to Apex'i filter.
Lots of BMW owners are plagued with this problem until they swap out for the stock filter.
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