Air Filter Testing
I increased my mileage with my airbox setup, and def felt a vast improvement over the sad ass Injen intake I used to have.
I also had the AEM intake. It is the same thing as running a modifed airbox. Just much more expensive.
I felt more power while running the factory ac delco than the K&N drop in filter. My car made 299.45whp with the factory filter.
I also had the AEM intake. It is the same thing as running a modifed airbox. Just much more expensive.
I felt more power while running the factory ac delco than the K&N drop in filter. My car made 299.45whp with the factory filter.
Probably just better to get the ZZP Intake Tube with stock air box and stock filter. That's what ZZP used on their setups.
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Joined: 12-30-07
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From: NEPA
All you might gain is some sound, because the filter would be 100% exposed.
Last edited by Staged07SS; Jan 21, 2015 at 11:23 AM.
Maybe ill just drive a little longer and wait until the weather is a little better to make a proper judgment on the fuel economy, lol. Not worried about the sound as much as having a clean engine and spend as little on gas as possible!
Thread Starter
Joined: 12-30-07
Posts: 14,079
Likes: 197
From: NEPA
I changed back to the stock air filter to protect my engine and it actually provided more get up and go than the K&N drop in (believe it or not). More than likely because it is a much larger filter.
I can care less about gas mileage, lol. Even though my car gets 22 on avg around town with a heavy foot.
I changed back to the stock air filter to protect my engine and it actually provided more get up and go than the K&N drop in (believe it or not). More than likely because it is a much larger filter.
I changed back to the stock air filter to protect my engine and it actually provided more get up and go than the K&N drop in (believe it or not). More than likely because it is a much larger filter.
The last job I had was less than 2 km from my place. I cared a lot less about mpg back then
I've known that the K&N's don't filter the fine particles for years. On one of my Grand Nationals back in the early 90's I had a cold air kit with a scoop mounted right under the bumper. I had one of the K&N cone filters that was prob 8-9" long and after maybe 15k miles I took it off to put on a longer one after upgrading the turbo. I stuck my finger inside the filter and ran it around the inside step/ledge where the filter is the largest and this area obviously had some filter oil finely misted over it after all the miles and there was a real fine grit all around the lip area. I could feel it on my fingers, it wasn't as coarse as sand but more like a flour/fine consistency. You can hold a brand new K&N up to the sunlight and look through it and see many small areas of direct white light, thats nothing but small/minute holes in the media. Pretty much nothing filters as well as the stock filter material. Heck, the K&N prob filters better as all the small/minute holes start getting clogged up....at the cost of airflow. Too bad someone couldn't come up with a different type of airbox that used one of the largest style flat filters that GM has, or use 2 large GM filters on the sides of the airbox etc..
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