Plastic intake= garbage:mad:

Discussion in 'SN95 4.6L Mustang Tech' started by trombonedemon, Sep 10, 2009.


  1. trombonedemon

    trombonedemon Well-Known Member

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    thanks man, I'll get those pics up once I replace that darn manifold, any ideas what to do with the old one?
    #61
  2. tonytaylor85

    tonytaylor85 Member

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  3. tonytaylor85

    tonytaylor85 Member

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    Or better yet put it on a flow bench at different temps!
    #63
  4. fast97gt

    fast97gt Active Member

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    aww whats the matter people second guessing your self? thats why you have inter cooled FI applications. with a plastic intake the heat of a metal intake isnt there. the cooler the air charge the more oxygen molicules you can cram into one space and that=power. when you heat air the oxygen molicules expand more thus decreasing the amount of molicules you can cram into one space, and that=decreased power. thats why when you ice the manifold, or add an intercooler, etc. it cools the air for a densor air charge, and the densor the charge themore POWER you nake. thats why the intake is plastic, so theres no heat transfer. ah oh my guh what did we jus discover
    #64
  5. fast97gt

    fast97gt Active Member

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    1+ tonytaylor85 hee hee heee hheeeee hhhhheeeeee haaa hhhhaaaa
    #65
  6. Metalli485

    Metalli485 New Member

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    Here is a little more light reading for those of you that think the world is still flat and heat transfer is black magic.

    Time-Resolved Heat Transfer in Engine Intake Manifold

    It sure is cute when non-engineer types are so horribly wrong. :lol: They are always so confident with their nonsense answers. This thread is riddled with so much misinformation and fail that I've lost even more faith in mankind.

    :lock:
    #66
  7. 40oz

    40oz Member

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    sadly, that abstract you linked illuminates nothing of any use pertaining to this discussion. It's almost like you didn't understand a word of it yourself.

    It occurs to me that engineer types look awfully cute prior to figuring out how things actually work. And in the course of actually figuring out the rules and theorums useful for predicting performance, they come up with plenty of nonsense themselves.
    #67
  8. fast97gt

    fast97gt Active Member

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    quoted from the link from metalli485:These equations indicate that the heat transfer coefficient is not only a function of the Reynolds and Prandtl numbers, but also a function of the changing rates of the velocity and turbulence intensity.

    man im glad im rite most of the time esppecially bout things that are common sense, gah yea baby you like that huh huh huh. i have excersized the demon.

    oh and 40oz, maybe you should go back and read it again, it plainly states that heat transfer serves two (2, to, too, tew, tuu) purposes. the way i read it to sum it up, there is heat transfer in the air that travels through a HOT intake.
    #68
  9. twogts4us

    twogts4us Advanced Member

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    Metalli485, I was quite impressed with the PDF link you provided. That's heavy stuff, and I'll admit, I'm lost. I in the middle of a 15 year career as an engineer, but it's in computer networks, so while I could decipher some of what was said in the paper, most of it went right over my head.

    So I began to think, wow, Metalli485 must be some sort of scientist, mechanical engineer or similar profession. So I took a look at your profile:

    Umm, you're a student...with special interests in radio control gas cars and drumline at school. Well isn't that nice. So let me ask, which high school do you attend? :lol: :owned:
    #69
  10. twogts4us

    twogts4us Advanced Member

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    WTF? I can't figure out if you're making a joke or are trying to baffle us with your BS..?
    #70
  11. Metalli485

    Metalli485 New Member

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    That's some nice detective work there twogts4us.:nice: But you missed one little detail. Notice my join date of November 1998. That would mean if I was still in high school, I would have joined Stangnet when I was 5 or 6 years old. :rlaugh:

    Haha, looks like I haven't updated my profile since 1998 or so...:doh: Guess I'm long over due for a profile update. Since you seem so interested in my background, I graduated from high school in 2001. I graduated from The University of Texas at Austin in 2006 with a bachelor of science in mechanical engineering. I've worked full time as a mechanical engineer ever since.
    #71
  12. twogts4us

    twogts4us Advanced Member

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    5 years to get a BS?
    Nonetheless, this is the internet where people BS all the time, and I think you are doing that right now...
    By the way, what about that paper you provided a link for?
    #72
  13. Metalli485

    Metalli485 New Member

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    :shrug: Getting a BS in 5 years isn't too bad. That was 8 semesters, 1 internship, and 3 co-op work terms all together. Would have been 4 years if I didn't do any internships or co-ops but thats what got my foot in the door for my current job.
    #73
  14. sneaky98gt

    sneaky98gt Mustang Master

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    5 years is the norm for a BS in engineering nowadays. Especially if you use a program like my school has that allows you to intern part time with big-name companies over the course of your degree. Here at NC State, for the most part, the only people that finish in 4 years are either brainiacs with no life, or people who don't get any job experience in while in school.

    And I agree entirely with you. It's actually quite comical; I'm sitting in an engineering class right now getting a lecture about how easy it is to get bad information for research by using the internet and non-certified sources...:rlaugh:

    Ok, end off topic rant....lol

    -Will
    #74
  15. fast97gt

    fast97gt Active Member

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    no twogts4us, i am quit serious this time. that post is proof enough that there is heat transfer in an hot intake
    #75
  16. Mustang5L5

    Mustang5L5 Car used in adult film "Highway Gangbang-InDaButt" SN Certified Technician Founding Member

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    Big deal. I have a BS in mechanical engineering too. (5 year program with year of co-op btw...grad in '03) They give these things away these days. :) It's such a broad field that two guys can be extremely knowledgable in their specific fields and yet have no direct correlation with each other that they can be clueless about each other's field.

    Of course...unless you are my manager. This guy's done it all over his career. He could tell me Gravity doesn't exist and i would take his word for it. :)
    #76
  17. twogts4us

    twogts4us Advanced Member

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    What? :rolleyes: :shrug:

    What #2? :rolleyes: :shrug:

    What #3? :rolleyes: :shrug: What post? Sorry I guess I didn't know you were quit serious.

    Props for sincere honesty, well written (take note fast97gt - notice that he spells correctly and uses punctuation) with a touch of humor! :nice::D
    #77
  18. bhuff30

    bhuff30 Founding Member

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    #78
  19. Mustang5L5

    Mustang5L5 Car used in adult film "Highway Gangbang-InDaButt" SN Certified Technician Founding Member

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    I was making a joke. Trust me, every time i write out a check for my student loans, i am reminded I didn't get it out of a cracker jack box.

    My point i was trying to make is that it's such a broad study that I dislike seeing the "I'm an ME" card played on the Internet. I've seen it dozens of times before. I just feel that unless your field of study is revelant to the topic at hand, you are just quoting theory. Granted, an ME does have a better understanding of theory than most people, but that doesn't make them 100% right in what they say. I've always said experience overrules book smarts any day. It's why some welder/fabricators make better designers than ME sometimes. They have seen how real world stresses react on parts at hand and can make changes to compensate. A good ME would learn to listen to people like that rather than playing "I'm the ME i know it all" card.

    So on the forums, i just shut my mouth usually. I offer my advice and leave it at that. Just last week on the 5.0 forums someone told me 316L bolts made suitable wheel studs and I didn't know what I was talking about. So i just let it go at that and shut my mouth. I refuse to get into one of those "I know everything, listen to me" type of arguements...because I don't. My area of expertise is not in material properties. I do work with 316LSS a lot, but i know there are a few treatments that can dramatically increase the strenght. Still, i find it hard to believe "off the shelf 316L hardware" is even close to being a suitable wheel stud in terms of strenght. The yield and ultimate strenght of typical B8/B8M SS is only comparable to Grade 5.

    I've lost track in what this thread is about anyway? What was the original complaint? Cracking the coolant temp sensor bung? How did we get into a discussion of ME's?

    The Irony is i work in an area that deals with heat transfer to gases passing through a substrate. Can it raise the temp? YES
    #79
  20. fast97gt

    fast97gt Active Member

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    You know I rally don't care bout my spellin or my PUNCtuation I hate that people who decided to further there education thank they have the right to criticize someone with a lower level, futher more I've been in the same trade for 13yrs. Also the engineers who design vehicles and buildings that I work on don't have a clue on were to start when it comes to installation, or removel of glass, frames, windsheilds,etc. Ya they may have engineered it but that doesn't mean they know how to make it work. Oh and I didn't know when we post on here we had to make it look like a term paper. Architecs design it, engineers make it safe, installers make it work do it all, you get the picture, what those guys go to school for, for years I've accomplished as much, the only difference is they'll have a piece of paper that says there certified, and me I'm already makin money. Oh and I don't have a loan to pay back, and my field experiance outweighs there office experiance. I love it when architecs design somethin and I tell em it aint gonna work out here like you put it on paper and the same with engineers, I had one come to me to ask the poundage of glass per square foot I was using for the job, I shook my head and walked away, he should know that since he engineered the job. Oh btw it was 14lbs\sqft ~14 tons on the 2nd floor, 21.5 tons on the 3rd floor, I hope he has enough structure to support it. Posted via Mobile Device
    #80

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