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  #13  
Old 08-24-2015, 10:00 AM
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Re: Mopar CAI vs. K&N

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Originally Posted by innerreflection View Post
I just opted for the dry drop in filter from AFE.
And...?

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  #14  
Old 08-24-2015, 10:12 AM
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Re: Mopar CAI vs. K&N

I bought a used airraid CAI off of a fine member of this site for my 2011 3.6. The price was good. Have I noticed much difference probably not, both performance and sound seem about the same.

Would I buy again? Maybe, again the price was good. I probably should have gotten a V8, but the deal on got on this car was good so now I am trying to make it a little more beefier.
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  #15  
Old 08-26-2015, 11:03 AM
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Re: Mopar CAI vs. K&N

Anyone that says an intake for the hemi is useless is a complete fool and has no clue what they're talking about. The fact that this 5.7L engine breathes through a 6" wide snorkel that immediately goes straight down then straight back up through the air filter than a 90 degree turn into a sound suppression box then back up to the TB tube should tell anyone with any tuning experience that a CAI will make a large difference. The computer is tuned from the factory to use the shitty airbox but that still has nothing to do with a piston pulling down and encountering restriction due to the maze that is the factory intake. You let that piston move down easier it frees up power that is there already, just suppressed.

in the 3 weeks I've owned my Jeep I measured a 2mpg difference with the CAI on a 150 mile drive and around town. I've been tuning since I was 16 and datalog damn near everything I own. Take it from someone that measures results and not useless hearsay.
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Old 08-26-2015, 11:48 AM
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Re: Mopar CAI vs. K&N

Gas mileage has improved in every car I've owned during the firs 5k miles.
Your improvement in MPG can be attributed to engine and tire break-in.
It's really not as easy as shoving more air through your engine. Have you thought about fuel? Have you thought about tuning? You're adding an intake to your car when your ECU thinks it still has the stock intake.
You could actually be losing horsepower/torque depending on where you lie in the RPM range.

The air has nothing to do with the "piston pulling down and encountering restriction". I think you should look up how a combustion engine works. Specially how the fuel/air mixture is related to that combustion.
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Old 08-26-2015, 12:54 PM
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Re: Mopar CAI vs. K&N

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Originally Posted by MOFSTEEL View Post
Gas mileage has improved in every car I've owned during the firs 5k miles.
Your improvement in MPG can be attributed to engine and tire break-in.
It's really not as easy as shoving more air through your engine. Have you thought about fuel? Have you thought about tuning? You're adding an intake to your car when your ECU thinks it still has the stock intake.
You could actually be losing horsepower/torque depending on where you lie in the RPM range.

The air has nothing to do with the "piston pulling down and encountering restriction". I think you should look up how a combustion engine works. Specially how the fuel/air mixture is related to that combustion.
My Jeep has 20K on it. It's not break in and yes I am fully aware of how air/flow works. Yes it's true you won't get MAXIMUM performance from a CAI without tuning but why don't you try to suck and through a straw then a paper towel tube and report back the difference. It's the same principle. Air Flow ratio has no place in this discussion. A CAI will lean it out some but not enough to talk about. I only gas up at one station(shell) that does high volume and has a reliable ethanol content. People can believe whatever they want and do whatever they want to their vehicle but when people give false information and say there are no gains without a single shred of proof it's annoying. Same goes for the other way around. I saw 2mpg gain from one trip to the other with negligible difference in weather conditions.

The link below is the engine I hand built and tuned in my ski. I'm no tuning newbie. Don't believe it take a peek over at 3800pro.com

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  #18  
Old 08-26-2015, 01:04 PM
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Re: Mopar CAI vs. K&N

CAI only run
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Old 08-26-2015, 01:08 PM
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Re: Mopar CAI vs. K&N

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Originally Posted by imp0ster View Post
My Jeep has 20K on it. It's not break in and yes I am fully aware of how air/flow works. Yes it's true you won't get MAXIMUM performance from a CAI without tuning but why don't you try to suck and through a straw then a paper towel tube and report back the difference. It's the same principle. Air Flow ratio has no place in this discussion. A CAI will lean it out some but not enough to talk about. I only gas up at one station(shell) that does high volume and has a reliable ethanol content. People can believe whatever they want and do whatever they want to their vehicle but when people give false information and say there are no gains without a single shred of proof it's annoying. Same goes for the other way around. I saw 2mpg gain from one trip to the other with negligible difference in weather conditions.

The link below is the engine I hand built and tuned in my ski. I'm no tuning newbie. Don't believe it take a peek over at 3800pro.com
What's annoying is people that have little to no knowledge of how a combustible engine works making posts about how air affects the "piston pulling down and encountering restriction" and claim they're knowledgeable because they had someone build an engine for them.

You just compared a human sucking through a straw to an engine intake and claim you know what you're taking about. Enough said.
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Old 08-26-2015, 01:17 PM
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Re: Mopar CAI vs. K&N

an engine IS a giant air pump and I built that entire craft, race it and have a full build thread on it. I also have several industry leaders in that area that will attest to my tuning skills. Turbo 3.8s as well. Oh, MoTec Nills and the VTECH guys as well.

Shooting for 83mph on the couch

What single fact have you proven? At least I've shows a Dyno graph of a 5.7 WK2 and given my personal experience when I added the CAI. Don't take that as an attack but I'll argue the hell out of something when someone has counter proof
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Old 08-26-2015, 02:54 PM
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Re: Mopar CAI vs. K&N

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Originally Posted by imp0ster View Post

What single fact have you proven? At least I've shows a Dyno graph of a 5.7 WK2 and given my personal experience when I added the CAI. Don't take that as an attack but I'll argue the hell out of something when someone has counter proof
You showed a graph from a vendor trying to sell a product that shows no evidence of how or where the test was conducting or if there were any variables.

There is no governing body when it comes to performance products so if you say your product produces X horsepower it's really up to the public to prove you wrong.

If you use Google there are plenty of myth busting tests that show CAI's have little, no, or negative effects. Many of them show real world scenario testing and not just dyno runs. If any ...the gains are shown at higher RPM and/or at higher speeds not reached on a daily basis by most drivers.
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  #22  
Old 08-26-2015, 03:04 PM
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Re: Mopar CAI vs. K&N

Quote:
Originally Posted by MOFSTEEL View Post
You showed a graph from a vendor trying to sell a product that shows no evidence of how or where the test was conducting or if there were any variables.

There is no governing body when it comes to performance products so if you say your product produces X horsepower it's really up to the public to prove you wrong.

If you use Google there are plenty of myth busting tests that show CAI's have little, no, or negative effects. Many of them show real world scenario testing and not just dyno runs. If any ...the gains are shown at higher RPM and/or at higher speeds not reached on a daily basis by most drivers.
There are also plenty of tests showing the opposite and I will give you that all these products are measured at peak gains that always occur outside of the normal day to day RPM range used. I don't think I've brought the jeep above 3K yet. I cannot personally comment on the power although I don't honestly believe they're pulling close to 18HP out of a CAI without adding timing. All the graphs I have seen show gains and most of them are related to fasthemis it seems.

I'd love to read a post (with logged proof or by someone with a reputation in the industry) on a CAI being counter productive on these 5.7s. I'll search a bit later when I get home.

Good day for now
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  #23  
Old 08-31-2015, 09:46 AM
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Re: Mopar CAI vs. K&N

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Originally Posted by scalco23 View Post
And...?
I like it for a few reasons:
cost
no re-oiling, love the dry filters
The engine sound is slightly louder but nothing crazy
Performance - wasn't expecting much


For me I like that fact that i can do a quick swap to the stock filter so the dealer doesn't hassle me
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  #24  
Old 09-13-2015, 08:31 AM
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Re: Mopar CAI vs. K&N

I wonder if one of the site's sponsors, like perhaps RIPP or other that possess a dyno can quite finitely answer the question as to whether or not a CAI by itself can increase horsepower. Or is it just placebo effect. "I spent money, looks shiny, must be better. MUST!"
I don't know either way, but I'd REALLY like to hear from someone willing that has a dyno. Either on 3.6, 5.7 or both. I would not look to the actual CAI resellers for confirmation on this. That would be a conflict of interest. Some people totally and completely fall for every gimmick blindly. Smart money questions everything.
Anyway, if anybody with a dyno that maybe has some bit of time, I'm sure we would all really appreciate the end all be all about CAI performance improvements or lack thereof.

Keys

P.S. Those affiliated or partnered in any way with CAI manufacturers or resellers, need not apply.
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