K&N vs. AirAid
12-30-2009, 05:38 PM
#11
It means not enough fuel for the quantity of air in the combustion chamber. Rather than me type a bunch of stuff, read this to get started.
http://en.wikipedia.org/wiki/Air-fuel_ratio
After that, do a search on other F150 forums and/or http://forum.gopowerhungry.com/
http://en.wikipedia.org/wiki/Air-fuel_ratio
After that, do a search on other F150 forums and/or http://forum.gopowerhungry.com/
12-30-2009, 06:01 PM
#12
December 2009 TOTM!
Maybe.
We all know the computer controls the air/fuel ratio. The issue with any CAI is the stock ratio table can't handle all the extra air without a tune that rebuilds that table.
Even with a 24 inch tube on it to let in more air it will not improve performance more than what the stock ratio table is capable of. Without a custom tune, the Gotts mod will provide all the air the stock fuel table can handle. Based on all the research I've done, if you have a 2004-2005 5.4L, you run the risk (just a risk as the factory tunes were already close to lean) of running lean with any intake mod unless you have a custom tune to account for the increased air.
We all know the computer controls the air/fuel ratio. The issue with any CAI is the stock ratio table can't handle all the extra air without a tune that rebuilds that table.
Even with a 24 inch tube on it to let in more air it will not improve performance more than what the stock ratio table is capable of. Without a custom tune, the Gotts mod will provide all the air the stock fuel table can handle. Based on all the research I've done, if you have a 2004-2005 5.4L, you run the risk (just a risk as the factory tunes were already close to lean) of running lean with any intake mod unless you have a custom tune to account for the increased air.
12-30-2009, 06:14 PM
#13
December 2009 TOTM!
To answer your question, either is fine. I have a Airaid CAI, my buddy has a Airaid CAI also and he likes it.
I know a few people running K&N also. They seem happy.
I know a few people running K&N also. They seem happy.
12-30-2009, 07:46 PM
#14
Figuring it out
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From what I'm seeing I might actually go with S&B. Similar performance/price to the other two and it looks a little cooler. I don't think there's a huge performance difference between any of these, unless I'm misinformed.
12-31-2009, 12:21 PM
#18
Mark
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