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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 10-30-2008, 08:48 AM   #1
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What do you think a K&N Air Filter would do for L99?

So is it worth it to put a K&N air filter on the 2SS with Auto? Would I really gain anything or would it do more harm than good?
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Old 10-30-2008, 08:53 AM   #2
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well the camaro comes with and L99, but yea it would help
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Old 10-30-2008, 08:58 AM   #3
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k&n filters are excellent

k&n filters give a little more horse power and a little better gas milage on pretty much every car . i would say it cant hurt . i have put them on all my cadillac escalades .and seen a differrance . my latest car i put a filter in was a 400hp 6.2l escalade and i do see a differance . it will proberly take some time for kn to make a filter for this car anyway. some times they my not just make the filter they will come out with a whole air filter system for a certain car
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Old 10-30-2008, 09:18 AM   #4
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Nada Zippo Nothing. A fellow Corvette buddy sold his LS2 vette for a Z06 and gave me two brand new K&N filters. So I dropped them in, with a week the car was running poorly and I had CEL. Took it to the dealer and they claimed they were "over oiled" and caused contamination of the MAFS.

They covered it under warranty but told me to remove them.

And just ask this question over on the Corvette Forum and you'll be told not to waste your $$$. There have been no proven HP/TQ gains reported on the LS2/LS3 by just changing air filters.

Please ask this question and see what thousands of Corvette owners have to say. Don't take my word on it.
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Old 10-30-2008, 09:25 AM   #5
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I have to agree with Tom. Absolutely nothing. Had it on my 96 Ram Air T/A and the only thing that this filter is good for is well, maybe not having a cheap paper one but besides that, it doesn't do anything.
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Old 10-30-2008, 09:36 AM   #6
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Its not so much about the filter, but rather where its located in the engine bay. If it is only sucking in hot air you'll see poorer performance, but if it is in a location where cold air can get to it you'll increase the performance. Cold air = good.
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Old 10-30-2008, 09:42 AM   #7
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result-mass air flow sensor code
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Old 10-30-2008, 09:43 AM   #8
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It most definitely does something. It may not be in the form of power gains but it will filter far smaller particles than a crappy paper filter and it never wears out. It flows more soaking wet than a paper filter will brand new. As for the oil, that was the fault of the person who oiled it, not the filters.
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Old 10-30-2008, 09:49 AM   #9
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You guys are all correct. I have had buddies that have over oiled the K&N filters and had terrible problems. The key is to NOT over flow the filter with oil!!! On the other hand if you do the complete K&N FIPK system you will be able to feel the power by the seat of your pants. On my 2006 Silverado SS I installed the FIPK system and could feel the power as soon as I installed it. The FIPK system is also much more agressive sound wise. The new Camaro has a sound branch comming off the factory air box so I will bet that when K&N does a system for the new Camaro that will not be there and the FIPK will be louders and give you more H.P. Jeff
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Old 10-30-2008, 09:53 AM   #10
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Quote:
Originally Posted by Dan View Post
It most definitely does something. It may not be in the form of power gains but it will filter far smaller particles than a crappy paper filter and it never wears out. It flows more soaking wet than a paper filter will brand new. As for the oil, that was the fault of the person who oiled it, not the filters.
The filters were brand new still sealed in the factory plastic bags. They do nothing. Believe what you will but Corvette owners for years will say the same thing.

As I said don't take my word, get an account on the Corvette Forum and ask the same question. Then report back with the results.
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Old 10-30-2008, 10:03 AM   #11
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What about the air intake kit that is being offered as a dealer installed option on the Camaro? Thoughts on it?
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Old 10-30-2008, 10:03 AM   #12
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I have no idea what they do on cars, but I used them forever on my bikes and gained on average about 2-4hp depending on the bike. Dyno tested.

However, that really says nothing about what they would do on a Camaro...or Vette. Each car is different.
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Old 10-30-2008, 10:15 AM   #13
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i looked at many filters for my GMC & went with AirAid because not only did it offer more power (dyno shown) but it was almost half the price. it definitely made a big difference. this is an open cone filter thought as opposed to a stock replacement filter.
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Old 10-30-2008, 10:48 AM   #14
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Dont' over oil it. In fact barely put any on at all. DO NOT OIL THE INSIDE OF THE FILTER.

In a mostly stock motor you will feel the difference in throttle response.

In a modded motor it is a nice complement to exhaust mods. When combined you cant see noticeable power gains. I would recommend a shrouded setup that blocks out the hot air from the engine compartment.
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Old 10-30-2008, 10:53 AM   #15
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I'd be VERY careful with any oil-impregnated air filters. They have been known to allow their oil to get sucked off and into the Mass Ari Flow Sensor and one of the results of that is it giving off funky readings, and burning up transmissions. This is not a myth, but a fact. I would stick to the dry high-flow filters or even kits. That filter looks like it's going to be big enough not to impair flow much, if anything - I'd look in to cold air systems when they are available (and GM will offer them) and look to eliminate any resonators or baffles. FWIW, if you have any familiarity with 4th Gens., a lid, but itselt, would net about 10 RWHP because it eliminated the ribs under the lid and the baffles that were at the outlet. Anything to smooth flow and transition smoothly is going to be a benefit and if you can keep it in cold air, it'll give even more power. It is fact that air temperature can effect how the PCM runs the timing and fueling and such, so the colder air the better.

Again, I'd recommend looking into the GMPP cold air system when there is more information. I can guarantee that they will test them to make sure there are no oiling problems and place them in such a way water intake will not be a factor, another thing to consider.

JMVHO.
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Old 10-30-2008, 11:12 AM   #16
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Nothing wrong with going with K&N filters .. have never had an issue with them .. just don't over oil them ....

I'll be more interested in a FIPK from K&N and not just the filter .. I will not do anything that goes into the fenderwell though .. to much of a PITA to clean and the chance of sucking water into it ...

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Old 10-30-2008, 12:03 PM   #17
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Very rarely do oiled filters cause a problem for the MAF or the engine. You will get codes until you have a tuner in your possession. Otherwise, you'll probably be fine from a technical viewpoint. The odds of something messing up are very low.

There are other points to consider, though. Intakes, while they give you a couple of bonus ponies in naturally aspirated engines, do require separate maintenance. To get all of your horses, you need to keep them very clean. If you go to the track and dyno right after installing it, you'll see benefit. Wait a few hundred miles; dyno again. You'll see what I mean. They get dirty if you're not maintaining them, and then they turn into shiny but useless performance parts. This problem will vary extensively based on where you live.

Maintenance is a problem for another reason, as well. When you take your car to a dealer with obvious performance parts, some tool at the dealership will always try to writhe your warranty away from you. You need to know your rights as a consumer. Do your research. In this case, it is really hard to prove that the oiled filter caused a problem in your engine, but MAFs aren't priced like Happy Meal toys. If your MAF goes out, the dealer will always pin it on your intake, and you are going to have to pay for a new one.

Additionally, you've got the issue of forced induction. If you plan on supercharging your motor, it is very possible that any intake may not work for you. You'll spend a ton of money on a performance part that you'll end up selling later. You could argue that is is fun for now, but both might cause your warranty to be worthless, at least according to your dealer, so you might as well put that money toward a turbo or super for your car if that's in your future plans.
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Old 10-31-2008, 01:42 PM   #18
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Everyone has an opinion and everyone has their own source of reliable information, so here's what I have been told. I have friends who are mechanics, a brother who is a certified mechanic, an uncle that retired recently and was one of the very best transmission specialist in the northwest, and a few friends that race quarter mile and some that race dirt track.

Is it a coincidence that they all say KN filters are no good? First of all they rely on oil to function properly and "grab" particles from the air passing thru. Then they must be oiled properly. Too little, they allow particles to pass thru. Too much oil and they DO INTERFERE with sensors, creating an improperly tuned engine. Makes a lot of sense to me. Most of them recommend Wix racing filters. I put a KN cold air intake on my Colorado until I was told they are no good. I still use the intake but have switched to Wix and my last couple oil changes were cleaner. Most of the particles that your engine consumes end up in the exhaust. On it's way to the exhaust it acts as an abrasive on every engine part it comes in contact with. Some of those particles get pushed past the piston rings and end up in your oil, (part of what makes your oil dirty). At that point you now have particles getting a free ride to every nook and cranny in your engine via the lubrication system. They still have abrasive characteristics even though they are suspended in oil

If I am wrong, then shoot me. But I am still going with the filter that keeps my oil cleaner. And yes, I know oil filters play their part also. Still, a good air filter is nearly as important in keeping your oil clean as the oil filter is. My comments may get shot down here, but I am going with the experts on this one.

Almost forgot. My son is in the Air Force and performs non destructive testing on F-15 fighters. One of those tests is engine oil analysis. If they could do it, they would use intake filters but it is impracticle on something thats sucks in that much air and can reach close to Camaro speed.
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Old 10-31-2008, 03:43 PM   #19
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I'm not trying to encourage a debate over this, but, like 'Blur and Crowley have said - make sure to properly oil them. Personally, I haven't had a problem, but that's because I've been careful and tried to be sure not to over-oil. I know of cases where oil from the filters have been pulled in and onto the MAF sensors, but I'm sure there are many more filter users out there without problems than with, otherwise, K&N wouldn't be in business. As far a CWI', it seems to me, just by looking, that the mininal amount of actual filter thickness wouldn't trap or hold or grab as many particles as it would seem but I don't know. I can not validate any of my points as I haven't performed any scientific tests so I'm just passing along what I have collected over the years. Back to some posts back though, I'd look into an FIPK, because I don't think adding a filter will do much in the way of power.
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Old 10-31-2008, 03:47 PM   #20
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Bottom line.

People are dumb and lazy, and won't properly maintain their cars.

If you are one of those people leave your Camaro stock.
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Old 10-31-2008, 04:04 PM   #21
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there are alot of words in this thread...... my brain hurts
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Old 10-31-2008, 06:17 PM   #22
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Quote:
Originally Posted by radz282003 View Post
I can not validate any of my points as I haven't performed any scientific tests so I'm just passing along what I have collected over the years. Back to some posts back though, I'd look into an FIPK, because I don't think adding a filter will do much in the way of power.
The way I understand it is that oil is a hydrocarbon. I know that much is true as I have spent a lot of time working in major oil refineries. If the filter has oil on it, a certain amount of hydrocarbon will be released into the air and into the intake. Those hydrocarbons are detected by the sensors and cars computer tunes accordingly. No harm, just different performance. I can't validate this either, other than I have had heard the same form several people. I am by far no expert. Don't claim to be.

On that note, what is a FIPK?

To help a few people understand what some of us have said. No filter will give you better performance or more HP. However a cool air or cold air intake can give you more power. You can fit more cool air into a cubic foot of space than you can fit hot air into a cubic foot of space. So given the same rate of air flow into an engine, the cooler air will feed more air, hence more oxygen into the combustion chamber than with hot air. More oxygen= hotter combustion, more HP
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Old 10-31-2008, 06:25 PM   #23
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Fuel Injection Performance Kit. More-or-less, it is a complete system from throttle body to air box, usually eliminating any sort of resonator or other restrictions in the intake system that quell intake "noise".

AHHH... That's good info'. Honestly, I don't know what exactly coats (if you will) the MAF, just that it has allegedly happened. Thanks though; that provides more insight into what's going on
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Old 11-01-2008, 12:38 AM   #24
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I Have a K&N in my Magnum. There is no dramatic increase if any in HP but boy I wud have paid twice more for the growl you get with it. It is so much fun!!! Never go back to stock!!!
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Old 11-01-2008, 12:42 AM   #25
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Didn't someone post a thread about different air filters a while back?
I'll look for it.
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