Ghetto CAI complete!

jstreet0204 · Sep 20, 2005

[Twitch] said:
Just came back from the track with my friend and brought back some numbers from data logging with Diablo. My car is a 2001 Mustang GT and his is a 2004 Mustang GT Convertible with K&N FIPK. We both datalogged 2 runs at the track. Tonight temperature was 59 F.

2001 Mustang GT with Ghetto CAI

ECT Average = 185.5987147 F
ECT MAX = 196 F
ECT MIN = 168 F

IAT Average = 77.95115681F
IAT MAX = 88 F
IAT MIN = 64 F

MAF Average = 1662.522879 g/s
MAF MAX = 25434 g/s
MAF MIN = 485 g/s

2004 Mustang GT convertible with K&N FIPK

ECT Average = 202.2326192 F
ECT MAX = 212 F
ECT MIN = 194 F

IAT Average = 89.42107564 F
IAT MAX = 128 F
IAT MIN = 66 F

MAF Average = 2133.267599 g/s
MAF MAX = 21843 g/s
MAF MIN = 404 g/s

It's too late, I'm sleepy and I can't think straight. I'll comment on the result another time.

A few things to note on your results. While you average IAT is 11 degrees cooler on the fenderwell set the car with the FIPK's average ECT is about 16 degree warmer. I would think the higher underhood temps caused by that are also resulting in higher IAT's. Another thing to note on the MAF counts. While the FIPK unit apears to be flowing more, there is no guarantee that your MAF is dialed in. Elbows directly infront of the MAF tend to cause turbulence throwing off the MAF reading. Also the type of filter is not as important as the size of the filter. The FIPK comes with a much larger filter than what you could fit through the hole in the fender well, and thus has more area to flow through.

[Twitch] · Sep 20, 2005

forpit2000gt said:
no documented Ets to show that any CAI will perform better than a straght K&N on the MAF, under the hood. The graph is cool looking but unless you do the test on one car or the other, doesn't prove anything. Piece looks clean for homemade though.

ET or horsepower gain is no accountable here since we are only looking at the Intake temperature. Also, ET will vary all the time, unlike IAT which is more stable.

forpit2000gt · Sep 20, 2005

why worry about the IAT if power is not a factor. Why would anyone care if their intake were 20 deg hotter or colder if you don't go faster.. I don't understand the point. I don't care if you test, but why?

[Twitch] · Sep 20, 2005

forpit2000gt said:
why worry about the IAT if power is not a factor. Why would anyone care if their intake were 20 deg hotter or colder if you don't go faster.. I don't understand the point. I don't care if you test, but why?

This test was to know if CAI is actually doing what it says, cooler intake temperature. Because I've never seen any test comparing IAT between intakes.

As for performance gain, I have no way of knowing how big or small of a gain it is.

forpit2000gt · Sep 20, 2005

it has been done a couple of years ago. I will watch and see what you come up with. I along with others in the past ran consistant numbers with and without pulling air from the fender mounted filter. Heat from underneath the hood didn't make a difference in a NA application. You need to use the same car for the tests though. make sure at normal operating temp with the hood down.

sgarlic · Sep 20, 2005

Where'd you get that piece of piping you used? (Since you don't respond to PM's)

jmajorboner · Sep 20, 2005

sgarlic said:
Where'd you get that piece of piping you used? (Since you don't respond to PM's)

[Twitch] · Sep 20, 2005

sgarlic said:
Where'd you get that piece of piping you used? (Since you don't respond to PM's)

Sorry, didn't check my PM. It's a 3 inch 90 degree elbow, I found it at a hardware store, in the plumbing section.

But first, I suggest finding you air filter element first, then find and elbow that will fit onto the filter. I spent hours at the store test fitting with the filter.

Ghetto CAI complete!

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