Air Intake Manifolds (aFe & CFM+) - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 11 (permalink) Old 06-11-2010, 05:28 PM Thread Starter
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Air Intake Manifolds (aFe & CFM+)

I've been searching for feedback on the new intake manifolds from CFM+ and aFe.

Does anyone in this forum have any thoughts on them? Is there a benefit to their design, as far as being two pieces and keeping the hot air section from heating up the cold air portion of the intake manifold.

It seems like, if the cold air is kept cooler it should result in better / more complete combustion.

Most of the feedback I've gotten so far is negative and that these intakes are not worth it. No one has intelligently debated the topic. Most of the arguments presented are that these new manifolds are just a bling piece for under the hood, or the price is too high.

Thanks for any feedback.
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post #2 of 11 (permalink) Old 06-11-2010, 06:51 PM
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Re: Air Intake Manifolds (aFe & CFM+)

Price is too high, nice bling for under the hood...

How is that for ya!

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post #3 of 11 (permalink) Old 06-11-2010, 09:41 PM Thread Starter
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Re: Air Intake Manifolds (aFe & CFM+)

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Originally Posted by CSIPSD View Post
Price is too high, nice bling for under the hood...

How is that for ya!
Any interest in trying to defend your stance intelligently?

It sounds like you are admitting it may offer benefits, you just can't afford it. Based on your comments, if you had more money or the products looked differently, you would have essentially just said nothing.
I can't help you on either count.

I'm not trying to say it's priced right or wrong. I just want to discuss the engineering of the products, and if they offer benefits over the stock manifold.
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post #4 of 11 (permalink) Old 06-11-2010, 10:44 PM
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Re: Air Intake Manifolds (aFe & CFM+)

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Any interest in trying to defend your stance intelligently?

It sounds like you are admitting it may offer benefits, you just can't afford it. Based on your comments, if you had more money or the products looked differently, you would have essentially just said nothing.
I can't help you on either count.

I'm not trying to say it's priced right or wrong. I just want to discuss the engineering of the products, and if they offer benefits over the stock manifold.

The stock piece is seperated... Ya know, by about 3/4 of an inch of aluminum. Pretty good insulation in its self.

The stock piece can not be changed to better air flow, it is what it is. You can go in there with a grinder and clean up some of the casting marks, but it will have little if any effect.

The stock piece is connected together for a reason. To keep the intake connected to the manifolds by way of the turbo pedistal.

The stock peice flows enough for 1000hp... If you cut the compressor side off...

There is just no benifit to it. The heat transfer that could occur is just not happening and the CFM that these motors consume... Its in and out before any heat transfer could occur.

$450 bucks???

Water injection... then you have something.

[CENTER]01 F-250 SC PSD,430k,16 Isspro Gauges, AFE-2,CCV Mod,IAH delete,map reg,Modded H2e, 6.0 IC, 230/100, Studs, 910 springs, Forged rods, Hydra chip, Swamps HVHF IDM, MBRP 4" dual's, Aero, 6" tip's, 4" Revtek lift, 37/12.5/16.5 MT's
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post #5 of 11 (permalink) Old 06-11-2010, 11:25 PM
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Re: Air Intake Manifolds (aFe & CFM+)

I don't see how the intake manifold can effect MPG.

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post #6 of 11 (permalink) Old 06-11-2010, 11:29 PM
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Re: Air Intake Manifolds (aFe & CFM+)

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I don't see how the intake manifold can effect MPG.
On a 6.0, 5.9 or 6.7, yes, there is room for improvment, but no on a 7.3... The design does not lend itself to it.

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post #7 of 11 (permalink) Old 06-11-2010, 11:44 PM
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Re: Air Intake Manifolds (aFe & CFM+)

I can see some air flow benefits to the AFE version, that said I can make someone a real smoking deal on an AFE one.

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post #8 of 11 (permalink) Old 06-11-2010, 11:51 PM
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Re: Air Intake Manifolds (aFe & CFM+)

Just curious Dave , running one ?

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post #9 of 11 (permalink) Old 06-11-2010, 11:54 PM Thread Starter
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Re: Air Intake Manifolds (aFe & CFM+)

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Originally Posted by Dave Whitmer View Post
I don't see how the intake manifold can effect MPG.
Can you expand on this?

What if these units actually do help to reduce the air temperature entering the engine? Would this help to burn fuel more completely?
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post #10 of 11 (permalink) Old 06-12-2010, 07:48 PM
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Re: Air Intake Manifolds (aFe & CFM+)

No I run a OEM manifold.

As long as you get enough air to burn the reduced amount if fuel involved in high-MPG operations, any more is just wasted.

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