Cone fileters on a 3.2 or 3.6
 

Who makes the best cone fileter and adaptor for the 3.2-3.6 engines? I had a really nice one that was basicly a black circular disc. The cone filter mounted on it with about a 5" opening at the base of the filter. It was very clean. Some have a large elbow on them and the filter is more rearward possible allowing water to fall into from the deck lid opening.

The best cone filter is not a cone filter at all, it is the factory filter configuratin with a K&N and a few 2~3 inch holes in the cover.

Why is the stock air box with holes better than a cone type of filter?

Powerhaus makes a nice one. I have it.

The stock 3.2 airbox is not a bottle neck. Forget the K&N (more dirt in your engine). The only advantage to the cone filter on a 3.2 is easier access. From what I've read, removing the filter all together won't make any difference, well maybe a little - a 2-3 hp loss.
-Chris

(Chris) What makes you believe this, "Forget the K&N (more dirt in your engine)"? I've been running K&N for years on various platforms, including offroad and have excellent results with the filter.

Bill

K & N does indeed let more dust into the engine... dyno tests on Carreras revealed little or no power gains compared to stock papper filters.

K & N may be washable, but paper filters best...

Good reading: http://www.seansa4page.com/resource/airfilter.html

Wow, I had always thaught the K&N filters were the best, but I guess to flow all that air some dust must be able to slip through. Interesting...

Yupp...people often forget that corrugated area of paper filters is fairly high compared to K&N filters that use more porous material.

Yeah but...the KN is oiled...and is expected to get an initial dirt layer built up to aid in filtration..... I'm on the fence on this one...seen too many posts from both sides of the argument and not a lot of conclusive evidence of superiority either way.

---Wil Ferch

How often are you guys changing your paper filters?
Is their a big differance in flow from a little dirt in the filter?

I think if their was any advantage to the K&N type filter one of the
car manufacturers would use them. Do any new cars come with coton/oil filter?

Well.... my 1970 Karmann-Ghia had an "oil-bath" filter from the factory !

---Wil Ferch

Some think better sound with factory correct air filtration.

Mikkel, did you notice any wierd high pitch whistling noises with yours?

Mine definitely makes variable whistle [varies with throttle]. I think it sounds like a toilet valve closing/opening. I do like the less clogged look in the eng compartment and improved access on the side there. The AirFlow Meter loses a support and that bothers me. Not sure I'd get one again . . . Since I haver barely used it, I've actually been thinking about unloading it.

todd
86 cpe

I love the sucking sound and the whistle the K&N makes on the autobahn!

Steve W

Yes I have a pitching sound. It bothers me since my car isn't a Turbo, but sounds like one :rolleyes: Still I haven't put the stock airbox back on because I love the deep aggressive sound from the K&N during full acceleration.

Maybe a socalled open "cup" airbox would be the golden compromise for me :) But then again that means spending money.... :(

I would be happy to take it off your hands... Based in the UK so what price are you looking for ?

Rgds

Steve

Interesting thread. I recently made the "mod" to my 3.2 stock airbox. I decided to forego the swiss cheese route and simply cut the entire face off of the box which was pretty easy on my table saw for nice neat oem looking lid. Much like the Carrera Cup lids fabby sells without the $175 side effect. The result is very nice.

Much more intake noise, obviously (I have the K&N) The sucking sound really gets to your ears whilst pulling through third up to 100+. Overall I think it is a good mod. I would be afraid that with a paper filter that thing might get sucked in or distorted with the face of the box off. Seems to pull a little harder in all gears according to the butt dyno but who really knows. Benefits such as increased induction noise, more room in the engine bay, cleaner looking bay, and seemingly slightly more power.

As an aside, my mods are the Steve W chip, fabby cat-by-pass, RUF muffler. The only other "performance" mod is to check the opening of the throttle for full opening. I will say that all of these mods together really wake up the car, easily netting some great HP. Of course a dyno will tell but I know the car is faster, smoother, pulls harder and is a really joy to drive.

-Jeff
nolift911@hotmail.com

Jeff, Got any pics?