Are Cold Air Intakes Worth it?
Does anyone have a cold air intake on their truck and did you notice any gains in hp and gas mileage and what kind do you have?Are they worth the money?
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No, they are not worth the money. Unless you just want one for looks and noise don't bother.
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Originally Posted by KLC
(Post 6342)
No, they are not worth the money. Unless you just want one for looks and noise don't bother.
The OEM intake is a cold air intake! Stay with the OEM paper filter, and you will get the best performance, and engine longevity. |
Here are some givens with a CAI:
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I bought one for my truck when I got it. The whistling noise got old really fast, so I sold it for what I paid for it. Taking it off made my exhaust a little quieter too
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Originally Posted by Purplehazeir
(Post 6369)
Here are some givens with a CAI:
Actually, a CAI will make your performance worse with a dirty MAF. The reduced air velocity across the MAF sensor (due to the larger intake diameter) will cause it to measure even less air. |
thanks everyone you helped me make my decision
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Originally Posted by Takeda
(Post 6375)
Actually, a CAI will make your performance worse with a dirty MAF. The reduced air velocity across the MAF sensor (due to the larger intake diameter) will cause it to measure even less air.
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Originally Posted by Purplehazeir
(Post 6390)
CAI's have larger diameter and straighter intake tubes which allows more air by volume (flow), which is what the sensors are measuring - not velocity. It's all about the CFM and air density.
A hot wire mass airflow sensor determines the mass of air flowing into the engine’s air intake system. The theory of operation of the hot wire mass airflow sensor is similar to that of the hot wire anemometer (which determines air velocity). Ford uses a hot wire airflow sensor. There will not be any more air volume with the larger diameter, and this is why the air velocity will drop. This is because the smaller diameter OEM intake tube isn't the limiter for the volume of air flow. Same volume of air with larger diameter = lower velocity. With the lower air velocity across the HOT MAF sensor, the change in resistance will be less, measuring lower air flow. |
Originally Posted by Takeda
(Post 6393)
This is the first sentence in your link:
A hot wire mass airflow sensor determines the mass of air flowing into the engine’s air intake system. The theory of operation of the hot wire mass airflow sensor is similar to that of the hot wire anemometer (which determines air velocity). A hot wire anemometer measures Air Velocity. A hot wire mass airflow sensor has a theory of operation that is similar to a hot wire anemometer. It's mass not velocity. Here's more info on the theory of CAI and MAF |
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Originally Posted by Purplehazeir
(Post 6394)
I know what the first sentence in my link is....you aren't reading it right. This is what that sentence is saying....
A hot wire anemometer measures Air Velocity. A hot wire mass airflow sensor has a theory of operation that is similar to a hot wire anemometer. It's mass not velocity. Here's more info on the theory of CAI and MAF Kevin, you are missing some basic properties of physics, hopefully these links will help you: First, here is a good explanation for the relationship of air velocity, and cooling of an electronic component. This applies directly to the MAF sensor element: http://www.coolingzone.com/library.php?read=529 When a MAF sensor element is coated with a contaminant, or dirt, it will no longer cool properly from the air passing across it, measuring a lower than actual air flow. Here is an excerpt from the link below explaining the operation of a Bosch and Hitachi hot wire MAF sensor, which will apply to all hot wire MAF sensors: https://www.f150-forums.com/attachme...ine=1323961138 http://s4wiki.com/wiki/Mass_air_flow |
I've had a K&N in my Ranger since it was new 2007. Zero problems.
Weird how that happens when you take care of something per manufacturer's directions nothing adverse happens. Thorough cleaning and a LIGHT oil. |
Forget about cold air intake junk get a supercharger forced induction is where it is at 15lbs boost.
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Put this on your 12 ta 13 EB 5 Star Tuning
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[QUOTE=joetriton1;7330]Forget about cold air intake junk get a supercharger forced induction is where it is at 15lbs boost.[/QUOT
@ $X,000 ! You will need a sizable sum of $US |
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