air filter sizes

[1quik69]

I am thinking about changing air filter units on my 406 sb chevy. (it matches my valve covers better) I currently am running a 14x3 unit and am considering a 6x2.5 unit. My friend says going that much smaller will affect the overall tune of the engine and probably a power loss. I am thinking that the only thing that would be affected would be how often I would need to change the filter. Someone told me that one of the magazines ran a test on just this subject. Do any of you know where I could find that article? What are you folks's opinion on this? I know the old standard line has been bigger is better, but I have talked to several knowledgeable people on this and they don't necessarily agree completely with that. Thanks.

[TheSilverBuick]

Re: air filter sizes

Car Craft did this one:

http://www.carcraft.com/techarticles/ccrp_0409_selecting_air_cleaners/index.html

I know there's another test out there, I just ran across this one while looking for a different one.

[TheSilverBuick]

Re: air filter sizes

Hmm, this is the article I was looking for, it's a lot smaller than I thought....

http://www.carcraft.com/techarticles/air_cleaner_comparison/index.html

[Scott Liggett]

Re: air filter sizes

I know that running a ten inch that came with a car I bought; I was buying a hell of lot more filters than the 14 inch I had on the previous cars. I'm pretty sure a 6 inch would be even worse.