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Upgrading Stock Air Filter Worth it??

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Old 05-25-2015, 06:31 PM
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KOElliott
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Default Upgrading Stock Air Filter Worth it??

All,
May have been covered already but if I choose to upgrade ONLY THE STOCK
FILTER ELEMENT is it worth it and if so what brand is preferred??
Thx
KOE
Old 05-25-2015, 06:34 PM
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veloz
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Originally Posted by KOElliott
All,
May have been covered already but if I choose to upgrade ONLY THE STOCK
FILTER ELEMENT is it worth it and if so what brand is preferred??
Thx
KOE
anything to increase the flow of air is good to the LS engines...for just the element i would use K&N
Old 05-25-2015, 10:28 PM
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Dano523
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Originally Posted by KOElliott
All,
May have been covered already but if I choose to upgrade ONLY THE STOCK
FILTER ELEMENT is it worth it and if so what brand is preferred??
Thx
KOE
NO, the stock air filter already outflows the engine in stock form needs. To add, some of the after market filters are worse than the OEM filters. The either do not filter the air correctly in the first place and allow a lot of debries into the engine, or worse, they are the oil type that you can oil wrong, and end up oiling up the MAF sensor instead.

As for CAI systems, this can be done on the stock OEM system as well. The shroud can be prop's open so the intake filter is getting outside cold air.

So on that note, if you don't know how old, or dirty your stock filter is, then replace it. As for filters, I tend to favor the Napa gold filters (wixs filters). They are gold in color, verses the OEM dark elements, and I can tell better when the filter is becoming dirty and needs to be replaced.

Now if you just want to pimptastic the car, then it's your money and you can spend it any way you want to bling the car.
Old 05-25-2015, 10:49 PM
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simplegto
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LS2 has room for improvement but the LS3 is good stock.
Old 05-25-2015, 10:54 PM
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Walt White Coupe
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Upgrading Stock Air Filter Worth it??

Absolutely not. Keep it stock and do your engine a favor with clean air. There is no other filter out there that cleans with as low a pressure drop as the stock unit. And it's good for 50,000 miles.
Old 05-26-2015, 12:02 AM
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not08crmanymore
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no.Save your money.The OEM filters are good enough for 436,505 and 638 HP depending on your car.They are warrantied,they filter correctly and allow sufficient air to get thru as deemed necessary by GM to achieve all that power that most of us don't use all of anyway.
Old 05-26-2015, 01:49 AM
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HOXXOH
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Upgrade? Not currently possible.
There is no other filter for a LS3 that filters better than the stock one made by Donaldson. Since the job of a filter is to provide clean air, any decrease in that ability is a downgrade.

You can get one that allows more air in at WOT, but it also lets in more dirt. If you really want maximum airflow, simply remove the filter altogether.
Old 05-26-2015, 01:58 AM
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hillwilliam
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i will never use anything but a dry filter and the factory filter is good for alot of hp.
Old 05-26-2015, 05:47 AM
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Jcbarr25
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when you guys talk about allowing dirt, can this cause a problem??
also, has there been any issues caused by the oiled filters??
Old 05-26-2015, 07:38 AM
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Walt White Coupe
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when you guys talk about allowing dirt, can this cause a problem??

Why do you think cars have air filters? It's not to sell air filters.
Old 05-26-2015, 07:53 AM
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Originally Posted by Jcbarr25
also, has there been any issues caused by the oiled filters??
Again, you are riding a fine line with a oiled air filter.
Not enough lube on a oil lubed filter, and you are allowing too much dust debris to pass through the filter. (same debris pass through problems with some of the other non OEM filters as well)

To much oil on the filter (or debries built up on it) and you are now choking the filter, or worse, too much oil transferred to the MAFs sensor to clog it from working correctly instead.

So again, the stock OEM filter system flows more air that the stock engine needs!!!!!!

As for the LS-2, it not the air filter that is the problem, but the way that the intake manifold was created instead (which creates greater air resistances through the intake manifold than the LS-3 intake manifold).

Hence the stock air filter(2 on the 05) system still out flows the engine, even with the LS-2 intake manifold ported to smooth out the air flow for about a 10HP increase.
Old 05-26-2015, 07:57 AM
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Originally Posted by Jcbarr25
when you guys talk about allowing dirt, can this cause a problem??
also, has there been any issues caused by the oiled filters??
Heh, yes, dirt in the inside of the engine is like dirt in your blood. Not a good thing.

I don't know about newer boats, but I have one built in 1988. It has an airbox but no filter element, nor any available.

It took me a while to figure out why, but there is no road debris on the water.
Old 05-26-2015, 08:03 AM
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Stock LS3 & LS6 filters are made for GM by Donaldson. Premium high end air filtration product company that makes the vaunted "Blackwing" series.
Old 05-26-2015, 08:22 AM
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say what?? ive had two corvettes and other performance cars supercharged and NA,,,always have changed to High Flow air filter,,,oiled and not oiled...never have had a single problem with any of them......maintenance is the key...keep it clean and it will out perform the stocker.....if the HF filters are so bad for our cars why do you think ALL performance mods are based on getting more air into intake....i dont get you guys...
Old 05-26-2015, 08:30 AM
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Rebel 1
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The Donaldson filter used on the LS3 is the exact same one used on the 505 h.p. Z06. Check it out. More than up to the task flowing air.
Old 05-26-2015, 09:01 AM
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Originally Posted by veloz
say what?? ive had two corvettes and other performance cars supercharged and NA,,,always have changed to High Flow air filter,,,oiled and not oiled...never have had a single problem with any of them......maintenance is the key...keep it clean and it will out perform the stocker.....if the HF filters are so bad for our cars why do you think ALL performance mods are based on getting more air into intake....i dont get you guys...
If you mod the motor and it is demanding more air that stock, then you can surpass the limits of the stock air filter system/what is can delivery cleanly. Truth is, the intake manifold will be your first choke point before the air filter intake system on a N/A built motor instead (why the fast 102 is one of the first mods).

But on a stock motor in the Vet, the stock air filter system is way out flowing what the motor is demanding. So higher air flow numbers mean nothing, when the motor is already getting all the air it needed already.

To take this one step farther, on CAI systems, it not a gain in over all HP that is being stated over what the car is already making, but the fact that when a motor is pulling in very hot air, the motor will retard timing to lose HP instead.

So the magic number claims of CAI system, is a stock system pulling in the worst of hot air to really retard timing to 12 degrees to lose HP, verse their system pulling in cold air instead and no timing pulled (and something that is not going to show up on a dyno, since the engine bay is being forced cold air via fans so the motor does not over heat standing still).

Old 05-26-2015, 09:18 AM
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wayback
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Originally Posted by Dano523
NO, the stock air filter already outflows the engine in stock form needs. To add, some of the after market filters are worse than the OEM filters. The either do not filter the air correctly in the first place and allow a lot of debries into the engine, or worse, they are the oil type that you can oil wrong, and end up oiling up the MAF sensor instead.

As for CAI systems, this can be done on the stock OEM system as well. The shroud can be prop's open so the intake filter is getting outside cold air.

So on that note, if you don't know how old, or dirty your stock filter is, then replace it. As for filters, I tend to favor the Napa gold filters (wixs filters). They are gold in color, verses the OEM dark elements, and I can tell better when the filter is becoming dirty and needs to be replaced.

Now if you just want to pimptastic the car, then it's your money and you can spend it any way you want to bling the car.
Getting cooler air is the best mod. LG propped my shroud to allow cooler air to the filter.

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Old 05-26-2015, 12:37 PM
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cclive
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Dirt being sucked in with the air is bad because it is abrasive...on a microscopic level, it scratches the inside surfaces of your engine.
Old 05-26-2015, 12:46 PM
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Walt White Coupe
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And ends up in the oil and circulates until filtered by the oil filter. Cars had air filters before they had oil filters. The 55 Chevy had an oil filter as an option.
Old 05-26-2015, 01:07 PM
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Jcbarr25
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So all aftermarket intake have this problem?


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