Intake Temps
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    Intake Temps

    This is a discussion on Intake Temps within the Dodge Dart Tweakers Anonymous forums, part of the Dodge Dart Garage - The Mopar Zone category; Hello everyone, So I removed my muffler in favor of straight pipe and decided to see what's really going on yet again with the temps. ...

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    1. #1
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      Intake Temps

      Hello everyone,

      So I removed my muffler in favor of straight pipe and decided to see what's really going on yet again with the temps. There is no relation to intake temps or pressure with exhaust so let's forget that but that's just more the reason why I'm jumping on this...

      Anyhow it's winter and ambient temps are a little lower for most of us (I live near the beach so it isn't that different) and cold air is easier to compress which means more power so the question is what are your ambient temps and what is actually going into the intake as well as the final question what have you done to make it what it is?

      I'm asking for ideas/suggestions as well as hoping to maybe inform others since this is not a topic that's currently available.

      Mine - as images as of earlier today while doing slightly faster then normal highway speeds with the AGS closed so the cold air is actually coming through my removed fog light into the Injen CAI directly behind.
      Name:  IMG_20161230_140736_01.jpg
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      Ambient 63:
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      Remind me to wipe the screen...

      Please post your results and for those wondering I use ODBII facile available on both app stores with a Foseal wifi odb2 reader.

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      have you seen this thread:
      Data Logging the 2.0 Lots of stats
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      @Parabolaralus , in addition to the link @Bullfrog provided, have a peek at the torque charts and spreadsheets located within my build thread (link in signature below). Within there you will see intake temps as well as other important readouts from the PIDs I have been monitoring through out the years. Good to see someone else on the information train.
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      Nice! I had not read that thread but it was certainly interesting as well as the build thread.
      Any idea how they put those graphs together? The output of facile gives you a gibberish text document so I wasn't able to really do much with it and if the program used does it right off the bat I might switch.

      What I would like to point out is that my temps are about the same in this with the cai as with my completely stock (beater) civic whereas before with the stock intake while in stopped traffic after about 30 minutes and one mile moved it would spike up to 135 daily...Only 20 short of shutdown temps which is pretty scary though I've heard of people purposely finding ways to get 140ish degree intake temps for fuel economy with other vehicles..I would not be shocked to find out that this is what crystler was aiming to do with the somewhat innefecient 2.4..

      I'm in IT and I know that if you run your computer's or networking equipment hot it will die pretty quickly so I'm kind of going on the same concept except that I also know the motor needs to run at a certain temp at the same time so I'm also not taking it too far.

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      @Parabolaralus The stock intake utilizes a ram air scoop and would probably give you colder air than your Injen intake. Try out a stock intake and see what happens. If it drops, then you may want to consider the HPSI/Eurocompulsion intake as it utilizes the stock ram air scoop as well.
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      the graphs were made by hand in excel.

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      Quote Originally Posted by starscream5000 View Post
      @Parabolaralus The stock intake utilizes a ram air scoop and would probably give you colder air than your Injen intake. Try out a stock intake and see what happens. If it drops, then you may want to consider the HPSI/Eurocompulsion intake as it utilizes the stock ram air scoop as well.
      Ok so i read this and i decided to A. graph it and B. use the stock intake to see what i get and well im a little unimpressed.
      At no point did the intake temps go below 100 degrees which means i am loosing power however small it may be by using the stock intake with its stupid little plastic tube that goes under the bumper and over the radiator..It didnt seem that effecient at least to me but now ive got numbers...
      Name:  Stock Intake.jpg
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      When i saw what you said star i truly thought it would be decent enough considering it is drawing or should be drawing air directly from the outside of the vehicle, but not so much apparently. My next question is HOW can i make that as efficient??
      As soon as it stops raining ill get under there and see if i can come up with something...I have a feeling the tubing is right up against that right part of the grill which does not have any honeycomb openings like the rest of it.

      Edit: i shut off the car when it spikes and i really wish i had a readout from a trip with the Injen CAI...And another for adding more runs:

      Carmel by the sea-Prunedale (freeway):
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      Prunedale-Salinas (freeway):
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      Salinas in town stop signs galore and a single floor:
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      Now im eager to get some runs with the injen cai...Not like this hasnt been done before though.
      Last edited by Parabolaralus; 01-07-2017 at 07:23 PM.

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      You need to compare IAT to ambient.
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      Right? This program isn't all that great. I tried to put that in my last run but something with that sensor causes the program to crash after exactly 10 seconds.
      Ambient temps in all runs according to the dash were at the time 60-65. Ambient temps viewed briefly according to the ECU were strangely around 15 degrees over that at 75-80...
      I guess you'll have to take my word for it for now....

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      Decided to make the same run with my other car which is a POS 98 Civic 1.6L NA vehicle. The car is old enough to where i dont think maximum fuel eco was of the utmost importance at the time, but the temps are totally different. This car...this car...this stupid looking airbox sits on top of the motor though the actual inlet runs through a 4ft tube to the wall where the side of the hood meets the fender. It looks really stupid but its very strangely very efficient at least in terms of actually sucking in cold air. I wouldnt replace this stock contraption with anything else because i believe it would actually be worse in the end.

      Carmelbythesea to prunedale CA again:
      Name:  Civic.jpg
Views: 33
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      Im still waiting for the rain to cool it so i can make a swap on the dart and run it.

     

     
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