Some observations fighting IAT's with JLT CAI

Discussion in 'V8 5.0L Engine / Mods: Bolt-ons, Exhaust, Tuning' started by pgonza2723, Jul 12, 2019.

  1. Zelek

    Zelek Well-Known Member

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    Yeah, you at least need a 2018 manifold and taking your rpm's above 7500+ to really see any small difference between stock and the aftermarket cone style filters. Even then, we're not talking a lot of power. The cost per performance just really isn't there.
     
  2. OneFordGT

    OneFordGT Well-Known Member

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    #32 OneFordGT, Jul 16, 2019
    Last edited: Jul 16, 2019
    This helped me a lot.
    IMG_9906.jpg IMG_9912.PNG
     
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  3. BlownGP

    BlownGP Well-Known Member

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  4. rex979

    rex979 New Member

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    This is one of the reasons why I decided to go with the Holley Intech system instead. It's a true cold air intake system. Also their dyno claims are impressive but I have not personally validated them. From reading other Forums and other articles posted it would seem Holly's claims are pretty close.
     
  5. BlownGP

    BlownGP Well-Known Member

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    That's a weird looking intake, but I can see how it would keep the IATs down.
     
  6. Zinc03svt

    Zinc03svt Well-Known Member

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    I hit 138 iats today stock box. Heat index 105 sitting in line for 15 minutes in Wendy’s drive-thru. Two blips down the road back down to 109. On E85 there is zero heat soak nor timing pull. Next...
     
  7. BlownGP

    BlownGP Well-Known Member

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    Heat index is what it feels like not what the actual temperature is
    But I assume with that heat index, the ambient temp was around 95 because that's what it was here today with similar heat index.
    So was 109 IATS is about average.
     
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  8. WhiteyDog

    WhiteyDog WOOF!!!

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    I won't get as close with the IAT's as you N/A guys, my IAT is measured post supercharger (IAT2). So I made a lid for my JLT and did 20190705_115406.jpg 20190705_115510.jpg some other things. Every little bit helps.
     
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  9. Zinc03svt

    Zinc03svt Well-Known Member

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    Yeah around 95 and humid. Had a/c running whole time. I had never seen much past 125 before sitting for long periods of time. Again, the E85 and once moving a tad it is not an issue. CHT’s were 199-204.
     
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  10. Zelek

    Zelek Well-Known Member

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    I've been pretty satisfied with my CP-E Icebox so far. IAT's are at the stock level with a tune required intake, dry flow filter. It's getting to be 100 degrees here in Texas and my IAT's are about 3-4 above ambient when I'm really moving and sit about 8-10 degrees above in city driving. I've gotten up to about 120-125ish while idling for a while, but like everyone else has said before, it recovers quick after you're moving. It's just good to have that extra insulation so you don't hit those 140+ degree temps from idling too long with an open intake during the summer. Even then, your car will still be fine. It takes a while to hit those temps without FI.
     
  11. Nuked

    Nuked Well-Known Member

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    Actually you could simply throw in the MAF curve for the JLT, leave all other parameters the same then dyno. It can be done, reason it hasn't.... likely results wouldn't sell 350.00 intakes.
     
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  12. AceOne

    AceOne Well-Known Member

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    Modified the 2015 GT Airaid kit to work with the CJ manifold and FRPP Maf tube...dropped idling ait by 40* 20181008_195556.jpg 20180830_201836.jpg
     
  13. AZ18yote

    AZ18yote Well-Known Member

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    Was 115 here in Phx the other day. Stock box IATS around 121 sitting at red lights and in traffic. "Cools" right off when moving. CHT in that similar 196-204 range. That's just on flex fuel not even full e85 (damn AZ). E + stock box is a winning combo in hot conditions imo.
     
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  14. Burkey

    Burkey Well-Known Member

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    Water/meth won’t alter the way the ECU perceives IAT on a NA car.
    The MAF sensor is upstream of the spray, ergo, the IAT reading will remain the same.
    You might see some extra spark though if you get an octane bump.
     
  15. Burkey

    Burkey Well-Known Member

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    Good work, but you’d be surprised how much air-gap there is in the bit you missed.
    See pic for how to rectify if you’re interested. BFD85E19-9849-4F8F-A96D-6F20D50DF4EF.jpeg
     
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