Thread: Is your IAT sensor hurting performance? Find out here!

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  1. #1 Re: Is your IAT sensor hurting performance? Find out here! 
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    Heres my scan tonight with the LQ4 IAT. Whats funny is that it was about 35* outside, I have everything set to standard instead of metric but it shows celsius. When I started my car it was ambient. Then it went a little bit lower. Then higher depending on situation. *shrugs*

    4-14-08 Scan from Fish -- Scan Depot dot net

    Another thing to think about. Why have it go faster?? That is just one more thing to worry about going down the track affecting your timing tables even if they were to reach over 120*F.
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  2. #2 Re: Is your IAT sensor hurting performance? Find out here! 
    TDCRacing
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    Quote Originally Posted by Fish View Post
    Why have it go faster?? That is just one more thing to worry about going down the track affecting your timing tables even if they were to reach over 120*F.


    Why are we shooting for faster?....I'll tell ya why..The likelyhood of iat temps really being 120* at the lights and all the way down the 1/4 mile is unreal.Because with the old iat (slow) sensor it may be reading that from heat soak and lack of response time.


    With the new sensors we are for once actually reading real time info.
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  3. #3 Re: Is your IAT sensor hurting performance? Find out here! 
    I live here. UR LOSN's Avatar
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    but at least it would be real time so to speek. instead of hiding behind a false reading.........................why not have current info?
    2001 GTP- PT76 turbo, Intense Drag cars old engine, Stage 4 Intense turbo cam,FMIC,150 wet,Double roller timing chain,Diamond forged coated pistons 8:0:1,Diamond piston rings,Cryoed L32 connecting rods,Cryoed crank,Clevite77 main bearings,Clevite77 cam bearings,Clevite77 L32 rod bearings,ARP Everything, Intense/meizere true billet Flexplate,Intense Wilson UIM/LIM,Intense oil pressure kit,Cometic,OE-R lifters,Cryoed L67 block,ATI turbo dampner,80# inject,Weldon 2035 fp,Aero Fuel Rails,AL cradle
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  4. #4 Re: Is your IAT sensor hurting performance? Find out here! 
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    If you do a proper cool down the IATs wont be as high or high at all. We saw on the video they take awhile to warm back up. You can easily be shooting down the 1/4 before they get into a danger zone.
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  5. #5 Re: Is your IAT sensor hurting performance? Find out here! 
    TDCRacing
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    Yeah we're probably both right
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  6. #6 Re: Is your IAT sensor hurting performance? Find out here! 
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    Probably. LOL. Too much over thinking in this one.
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  7. #7 Re: Is your IAT sensor hurting performance? Find out here! 
    TDCRacing
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    Quote Originally Posted by Fish View Post
    Probably. LOL. Too much over thinking in this one.

    Well it did turn out good in the end though....WE GOT A FIX FOR OUR SLOW IAT'S
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  8. #8 Re: Is your IAT sensor hurting performance? Find out here! 
    SS-DD Level Member IndeedSS's Avatar
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    Quote Originally Posted by Fish View Post
    Probably. LOL. Too much over thinking in this one.
    I agree, but the entertainment value was still there.
    04 Indy SS build #972 - Traded
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  9. #9 Re: Is your IAT sensor hurting performance? Find out here! 
    TDCRacing
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    Quote Originally Posted by IndeedSS View Post
    I agree, but the entertainment value was still there.


    ..
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  10. #10 Re: Is your IAT sensor hurting performance? Find out here! 
    SS-DD Level Member IndeedSS's Avatar
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    Quote Originally Posted by TDCRacing View Post
    ..
    Don't frown. I'm not referring to entertaining as in laughing, but just fun to watch. There are so many other things involved that go along with how fast or slow the IAT reacts and this is what I find entertaining, not funny, just entertaining. It's kind of like that more is better thing...sometimes, yes. Always, no. I say discuss on...
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  11. #11 Re: Is your IAT sensor hurting performance? Find out here! 
    TDCRacing
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    Quote Originally Posted by IndeedSS View Post
    Don't frown. I'm not referring to entertaining as in laughing, but just fun to watch. There are so many other things involved that go along with how fast or slow the IAT reacts and this is what I find entertaining, not funny, just entertaining. It's kind of like that more is better thing...sometimes, yes. Always, no. I say discuss on...
    Oh ok I got ya
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  12. #12 Re: Is your IAT sensor hurting performance? Find out here! 
    GT Level Member GP2003GT's Avatar
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    sign me up for one!
    http://www.cardomain.com/ride/2556536 NKG Iridium Plugs, 8mm Spiro Wires, ZZP Reprogrammed PCM, ZZP 3" full cat, ZZP Ceramic Coated Ported Manifolds, ZZP HV3, ZZP HVTB, ZZP ER Ratio Rocker Arms, ZZP Drilled 180* Thermostat, MotorSports Performance Intake, Reptile's IAT and dezldave tuned
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  13. #13 Re: Is your IAT sensor hurting performance? Find out here! 
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    i dont agree i think this is great and very creative! i am interested in one
    http://www.cardomain.com/ride/2556536 NKG Iridium Plugs, 8mm Spiro Wires, ZZP Reprogrammed PCM, ZZP 3" full cat, ZZP Ceramic Coated Ported Manifolds, ZZP HV3, ZZP HVTB, ZZP ER Ratio Rocker Arms, ZZP Drilled 180* Thermostat, MotorSports Performance Intake, Reptile's IAT and dezldave tuned
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  14. #14 Re: Is your IAT sensor hurting performance? Find out here! 
    TDCRacing
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    dont get me wrong i have always thought it was a good idea and a benefictial one...thats why i was so involved in this whole thing...
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  15. #15 Re: Is your IAT sensor hurting performance? Find out here! 
    GT Level Member Meemperor's Avatar
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    People are still running IAT's ?

    ha.
    Lumpy Gen 3
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  16. #16 Re: Is your IAT sensor hurting performance? Find out here! 
    Bastard Reptile's Avatar
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    Well I guess I'll just keep my ideas to myself next time.
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  17. #17 Re: Is your IAT sensor hurting performance? Find out here! 
    GrandPrix Junkie Sabrewings's Avatar
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    Quote Originally Posted by Reptile View Post
    Well I guess I'll just keep my ideas to myself next time.
    Why say that? How much are these new IATs going to run?
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  18. #18 Re: Is your IAT sensor hurting performance? Find out here! 
    TDCRacing
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    Quote Originally Posted by Reptile View Post
    Well I guess I'll just keep my ideas to myself next time.
    Your kidding right??
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  19. #19 Re: Is your IAT sensor hurting performance? Find out here! 
    SS-DD Level Member IndeedSS's Avatar
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    Quote Originally Posted by Reptile View Post
    Well I guess I'll just keep my ideas to myself next time.
    I liked (enjoyed) the idea and what you presented. Kudos to you for testing the speed differences.
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  20. #20 Re: Is your IAT sensor hurting performance? Find out here! 
    I live here. SyntheticShield's Avatar
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    Allow me to implore upon you to not do this. I may ruffle some feathers for what Iam about to say, but so be it.

    This community was started to promote this kind of experimentation and innovation. It was one of the MAJOR considerations in starting this site. To give these people that have these ideas a forum and place in which they could work out details. Fail or Succeed, we at least wanted a place where their ideas would have means of being followed through and tested.

    Just because the idea may not make sense to you, appeal to your intellect, or because you cannot comprehend or see the benefit, dont knock him down or take away from the effort. Reptile had an idea, saw an area for possible improvement and went out and acquired the parts out of his own pocket, built what he needed and began testing it. While many of us sit back and just look around and do nothing about the ideas we have, Reptile took action and decided to try something out.

    If you dont agree with it, thats fine. If you dont think it will work, thats fine too. It may not, but it may also turn out to have huge benefits. Ask questions instead. If you dont think will have any benefit, then you must have a reason or idea why. Ask a question along those lines instead of something along the line of I dont see the point. Ask a question, see if there may be a point or perspective you have not considered. There is not ONE among us that knows these cars to such a flawless degree that we can idly dismiss an idea as ineffective.

    Reptile is trying to show there may be a need. Perhaps more testing is needed and I think even Reptile may agree with that. He has at least demonstrated that the OEM sensor is painfully slow. Lets theorize for a moment. If Reptile takes this to the track and its shows to drop a tenth or two off ET's, how many will come in here and say well I guess I was wrong about that?

    I dont mean to come across overly harsh but we must be a community that welcomes innovation of all kinds and whether or not we see the benefit or not. We can at least show our support for someone going through such efforts and expense. Dont just dismiss an idea just because the benefit is not immediately clear. Ask questions, post up ideas. If you want to see testing that helps you see or prove the idea to you, post that up.

    When Reptile first told me about this I too was slightly hesitant because in my mind, I registered IAT updates as a function of PCM update speed. The PCM was only going to update so fast and that was it. Reptile has proven me wrong in that and clearly shown it is also a function of the IAT itself and that it can be made to run in more real time. The Grand Prix is not the only place such an idea is employed either.

    So please, lets not shut down the innovation in this community. Lets not make the next person afraid to try something out because we may not necessarily see the benefit or point. If it fails in the end and there is no benefit or point, then we can discuss that and tuck that knowledge away for future use or reference. I have learned over the years on things I have tried that while the original idea may have not worked, I gained knowledge and insight that allowed me to make something else work. I have often gained knowledge and wisdom that has allowed me to help others out and to me that will ALWAYS be worth the disappointment in an idea not working out as planned.
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