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K&N Cold Air?

Discussion in '4 Cylinder' started by StormTrooper, Feb 1, 2012.

Page 3 of 4
  1. Feb 2, 2012 at 7:18 AM
    #41
    SoCaltaco65

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    SoCaltaco65 Well-Known Member

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    So what do you do if the MAF is no longer in the Air Flow stream that its originally Calibrated for? Bigger inlet tube means less velocity, Un tunned MAF means less power, or power in a near band.
     
    SoCaltaco65, Feb 2, 2012
    #41
  2. Feb 2, 2012 at 7:21 AM
    #42
    BrokenTusk

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    BrokenTusk I support a velociraptor free workplace.

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    Ironically I just had my MAF sensor break last week. When the MAF fails or starts reading rediculously outside the normal range, your engine ECM reverts to using standard air fuel mixtures, because it knows very close to what SHOULD be coming in, based on that there are still Fuel measurements being taken.
     
    BrokenTusk, Feb 2, 2012
    #42
  3. Feb 2, 2012 at 7:23 AM
    #43
    chris4x4

    #43
    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    And what makes you think the OEM intake tubing is restrictive? Have you flow tested it? What I dont understand, is the "smart" people, or those who claim to have experiance being around vehicles, and working on them, seem to think that throwing on a different looking peice of plastic tube is gonna give them a huge increase in performance, or "better throttle response. DId you read the info I posted above? (insert Chuck Testa "nope" here). As gadget said, the air box delete gives the best gain. The MAF claibrator give some gains, as it runs the engine more lean. However, the TB is going to only allow a certain amount of air thru it. Period. "Throttle Response" is based on how fast the air goes thru it. Guess what? A larger intake diameter can actually slow down throttle response. Some people on here need to research things a little more, as I have seen them spewing in accurate info to new members many times.
     
    chris4x4, Feb 2, 2012
    #43
  4. Feb 2, 2012 at 7:30 AM
    #44
    BrokenTusk

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    -I did read your info
    -I never said HUGE gains, but your claiming they do nothing which is false
    -As I said before here:
    It's not that the Throttle body responds faster, thats not possible with the set up, but your engine will accelerate faster, which is commonly (Though incorrectly) refered to as Throttle response

    Also yes I know he has a 2.7L but I'm talking about how people disregards the info about the 4.0L
     
    BrokenTusk, Feb 2, 2012
    #44
  5. Feb 2, 2012 at 7:30 AM
    #45
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    :cheers: I think many people think the engine pulls 400 cfm from each piston, per revolution of the engine. They fail to think that each piston is about the size of a cup of coffee. FWIW, Teh displacement of each CC is about 40 cu. in. To put that in perspective, a 12 oz. soda can is about 94 cu. in. The intake has to supply enough air volume to fill each one of those, one at a time, 6 times, every other revolution of the crank.
     
    chris4x4, Feb 2, 2012
    #45
  6. Feb 2, 2012 at 7:51 AM
    #46
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Your power will be the same, but you'll have better lung response.
     
    chris4x4, Feb 2, 2012
    #46
  7. Feb 2, 2012 at 7:53 AM
    #47
    BrokenTusk

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    Yes, in fact, I have a drill around here somewheres...
     
    BrokenTusk, Feb 2, 2012
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  8. Feb 2, 2012 at 8:20 AM
    #48
    BrokenTusk

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    I plan to bore out my chest for larger lung displacement
     
    BrokenTusk, Feb 2, 2012
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  9. Feb 2, 2012 at 11:13 AM
    #49
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Welp, Im guessing the reaon I never saw a temp diff. is due to the summer temps out here.....which is when I did most of my testing. I did some runs this morning, monitoring both outside, and intake temps. Sure enough, the intake temps would be 2* or so lower than ambient. When I would come to a rest, intake temps matched ambient temps to .2*
     
    chris4x4, Feb 2, 2012
    #49
  10. Feb 2, 2012 at 11:29 AM
    #50
    BrokenTusk

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    :woot:
     
    BrokenTusk, Feb 2, 2012
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  11. Feb 2, 2012 at 11:36 AM
    #51
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Being as my last test waas done when the engine was 145* after sitting all night, Im sure you can understand why my temps would not have shown a small temp change in the intatke.
     
    chris4x4, Feb 2, 2012
    #51
  12. Feb 2, 2012 at 11:37 AM
    #52
    BrokenTusk

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    Did you and ben ever take a look at all those throttle body temp readings I took?
     
    BrokenTusk, Feb 2, 2012
    #52
  13. Feb 2, 2012 at 11:39 AM
    #53
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    no. I didnt anyway. Temp readings in super cold climates mean nothing to me, as I never see temps close to that out here.
     
    chris4x4, Feb 2, 2012
    #53
  14. Feb 2, 2012 at 11:41 AM
    #54
    BrokenTusk

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    here it is anyways

    In reference to this post...
     
    BrokenTusk, Feb 2, 2012
    #54
  15. Feb 2, 2012 at 11:43 AM
    #55
    Lucario Runner

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    :laugh:
     
    Lucario Runner, Feb 2, 2012
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  16. Feb 2, 2012 at 3:46 PM
    #56
    chriss

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    chriss Well-Known Member

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    I'm not sure what "each CC is about 40 cu. in." is supposed to mean. But 12 fluid ounces is just over 21 cubic inches.

    Let us start with a reminder of this thread.
    http://www.tacomaworld.com/forum/performance-tuning/195808-cold-air-intake.html
    I also read the earlier insert regarding throttle responce. It would seem that his focus is on the intake manifold. Throttle body to intake valve. Here everyone is discussing the exterior (atomsphere) to throttle body passage.
    Again, there is a pressure gradient across this and all intakes. Minimizing that pressure loss improves preformance.
    I saw Gay-Lussac mentioned above. Not relevant here but nice to see. Bernoulli is who we should be referencing. As to the lower than ambient temperature, Joule-Thomson.
     
    chriss, Feb 2, 2012
    #56
  17. Feb 2, 2012 at 4:12 PM
    #57
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    CC = Cumbustion Chamber

    And youre right...I forgot to divide by 4 :eek:
     
    chris4x4, Feb 2, 2012
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  18. Feb 2, 2012 at 5:52 PM
    #58
    Kelson

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    Kelson Well-Known Member

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    the best intake solution IMHO is a secondary filter delete paired with an aftermarket filter, retaining the stock intake.

    the cold air intake's intake position is higher and actually collects hotter air than the stock intake location.

    this has been the general consensus of 2TR owners.

    why are all the v6 douche canoes in here? talking about the inferior 1GR?
     
    Kelson, Feb 2, 2012
    #58
  19. Feb 2, 2012 at 6:09 PM
    #59
    chris4x4

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    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    :eek:
     
    chris4x4, Feb 2, 2012
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  20. Feb 3, 2012 at 9:12 AM
    #60
    BrokenTusk

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    BrokenTusk I support a velociraptor free workplace.

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    Weren't you JUST talking about a V6 upgrade last week?? :rolleyes:
     
    BrokenTusk, Feb 3, 2012
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