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bludak
Dodge Dakota
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7/15/2004
11:58:51
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 Subject: RE: Air intakes
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Message:
Ok hypocrite...don't get all teary eyed on me
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android287
Dodge Dakota
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7/15/2004
12:17:43
| RE: Air intakes
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I purchased a true flow intake systemfor my 4.7. I noticed a 1 mpg increase over my K&N drop in. I feel that the true flow intake filters better than the K&N. The true flow intake replaces the stock air hat with a 4" tube. I like the design of the stock intake box. I rather hear the sound of my exhaust than my air intake.
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00 RT/BC
Dodge Dakota
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7/15/2004
12:43:51
| RE: Air intakes
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Message:
Its funny that you say that you have all these degrees and what not yet you make mention that it has to be pretty cold to make the molecules come closer together which is untrue. Even a slight change in air temperature causes the molecules to vibrate slower and move closer together.
Remember that D=P/R*T
Density is measured in kg/m^3 or kilograms per cubic meter
P which is pressure and is measure in Pascals and is 101325 Pa at sea level
ISA standard conditions put the sea level temperature at 15C
R is the gas constant J/(kg*degK) = 287.05 for dry air
Temperature is measured in K so for simplicity we convert C to K by C+273.15 = K
So for the purposes of calculating sea level air density we would use this equation
D = (101325) / (287.05 * (15 + 273.15))
Which comes out to be 1.2250 kg/m^3
Now if we change the temperature 5C warmer
D = (101325) / (287.05 * (20 + 273.15))
Which comes out to be 1.2041
Doesn't seem like a huge difference but it proves that air even a few degrees warmer is indeed less dense given the air pressure remains constant.
There would be a bigger difference if the air being pulled in was around 40C which might be closer to the actual temperature of warm engine air.
D = (101325) / (287.05 * (40 + 273.15))
Which is 1.1272 more than 1/10th of a KG less dense.
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bludak
Dodge Dakota
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7/15/2004
13:13:11
| RE: Air intakes
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Message:
When you are done trying to prove that you can read a physics book...My point was that to make an appreciable difference in HP there would have to be much more available oxygen, which would require a significant temperature difference. I never said that there was a threshold temperature at which air began to become more dense. That's it, nothing more.
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00 RT/BC
Dodge Dakota
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7/15/2004
14:03:01
| RE: Air intakes
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Message:
Fact of the matter is you said, "Air must be pretty cold to make the molecules come closer together..." and that is an incorrect statement. I suggest you actually learn how to read a physics book, like you so kindly pointed out, and stop lying about your credentials.
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Ken
Dodge Dakota
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7/15/2004
14:05:08
| RE: Air intakes
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On the 4.7, I do not believe you will see as much of a gain. Mainly, I believe, because the intake is already well designed on the 4.7, and the intake systems aren't as good for the 4.7 as they are for the 5.2's (IMHO). Also, the 4.7 isn't a gas guzzler like the 5.2 is off the bat :) The 4.7 and 5.2 are totally different engine designs. One engine will benefit more from a CAI then another. IE: My friends WRX, doesn't benefit from a CAI really, probably mostly due cause it's a turbo :) However, he did say that he sees the boost come on more quickly and reaches it's peak faster, but it hasn't effected his 1/4 mile and he hasn't been able to feel it.
When it's all said and done, make a homebrew, try it out, get back to us. I can tell you this though. With my truck stock, the best I EVER got at highway speed is 16.5mpg, and that was babying it the whole way, I averaged 14.5-15mpg on my daily drive. Now, with all the mods I've done, I see 16.5 mpg on my highway drive and up to 20mpg on the highway. 1/4 mile has also dropped from 16.1 to 15.42. Biggest contributors were the intake and PCM, both in HP and MPG. In the end though, try out different things, do some testing, make your own conclusions.
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Ken
Dodge Dakota
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7/15/2004
14:07:07
| RE: Air intakes
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Message:
whoops, meant to say that now "I see 16.5MPG on my DAILY drive and up to 20mpg on the highway"
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Mr. Einstien
Dodge Dakota
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7/15/2004
15:04:27
| RE: Air intakes
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Message:
*still shaking head in wonder*
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bludak
Dodge Dakota
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7/15/2004
15:19:03
| RE: Air intakes
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Message:
Ok...00RT...give me a fax number and I will have my diploma to you within the hour. How about that? Don't make false accusations unless you are ready to be proven wrong, beyotch!
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bludak
Dodge Dakota
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7/15/2004
15:23:08
| RE: Air intakes
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Message:
Ken...
I do believe that you saw those improvements with your mods. I think that I may try a home made, but then again if I am gonna spend the money on anything, I may as well buy one that looks half way decent. To the rest of you who are offended by my statements, or are feeling inept at this point...bite me...it was a discussion...not a pissing match
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Biter
Dodge Dakota
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7/15/2004
16:09:14
| RE: Air intakes
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Message:
Ok, so if I am coming at you at 10mph and the temp is 70 degrees, what will the air density be at the moment of the bite. Also how hard will the bite have to be to separate a few molecules?
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bludak
Dodge Dakota
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7/15/2004
16:17:22
|  RE: Air intakes
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Message:
Good one
Have to appreciate quick wit...
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hypocrite
Dodge Dakota
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7/15/2004
16:25:36
| RE: Air intakes
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Told you I have a sense of humor.
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bludak
Dodge Dakota
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7/15/2004
16:28:07
| RE: Air intakes
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Message:
Hiding behind an alias...??
You are one sneaky little devil...
Don't hide, be proud of who you are....a hypocrite
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bludak
Dodge Dakota
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7/15/2004
16:32:25
| RE: Air intakes
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Message:
Oh wait
Maybe that's me...oh well, at least I created controversy! That is always fun.
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Mr. Einstien
Dodge Dakota
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7/15/2004
19:51:45
| RE: Air intakes
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Message:
bludak, here's an equation I want you to solve for me.
you're standing still with your back towards me and I'm exactly 10 feet away from you. Now, I run towards you at a rate of speed of 5 mph. When I'm approx two feet from you, I coil my right leg back (because I am right legged) as if I'm going to kick a field goal. But instead, I kick you in the @ss. Now the answer I'm looking for from you is this. Just what is the moment of enertia at the point of impact AND the amount of force required for my size 9 shoe to be shoved up your @ss WITHOUT any form of lubrication? I want a written report on my desk first thing tomorrow. And bring me a GAWD-D@MN apple too.
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Mr. Einstien
Dodge Dakota
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7/15/2004
21:16:02
| RE: Air intakes
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Message:
bludak, I almost forgot. For bonus points, tell me what the friction coefficient is when my leg in passing thru the air when the air temp is 65 degrees and a humidity factor of 88.2 percent. Don't forget to consder that altitude will greatly affect your answer. So compute for sea level.
And don't forget that apple!
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you forgot
Dodge Dakota
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7/16/2004
09:33:25
| RE: Air intakes
IP: Logged
Message:
You forgot...
type of shoe
size of bludak's @ss
is @ss hairy?
boxers or briefs?
length of Mr. Einstein's legs
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bludak
Dodge Dakota
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7/16/2004
09:49:04
| RE: Air intakes
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Einstein why all the hostility? Don't be angry just because you think your smart, and all the sudden you realize you aren't. Or is it that your daddy just loved you in all the wrong ways...???
That would explain this infactuation with asses
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bludak
Dodge Dakota
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7/20/2004
13:32:03
| RE: Air intakes
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Message:
Oh...and I forgot...
Get a dictionary...its "inertia" not "enertia"
and...you can only run 5mph? Are you fat?
and...let me get this one straight...you want a report about an equation?
Things that make you go hmmmmm
Really just stop trying, before you hurt yourself
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