Real IAT Mod Kia stinger gt 3.3t

We did some dyno work last week on our latest Stinger project. While it was on the dyno Payam decided to give this mod a test by redirecting the the manifold IAT signal to the chargepipe sensor. Those with a JB4 can do it rather easily by cutting a wire on the JB4 harness and extending it another part of the JB4 harness.

Anyway the results were we did see an intake temp reduction of around 10-15 degrees on average. The bad news was it resulted in zero power gains or differences. Just not enough of a change to do anything. Your mileage may vary.

Details will be the video we're posting later today on our youtube channel.
Please provide the link to your YouTube channel.
 
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We did some dyno work last week on our latest Stinger project. While it was on the dyno Payam decided to give this mod a test by redirecting the the manifold IAT signal to the chargepipe sensor. Those with a JB4 can do it rather easily by cutting a wire on the JB4 harness and extending it another part of the JB4 harness.

Anyway the results were we did see an intake temp reduction of around 10-15 degrees on average. The bad news was it resulted in zero power gains or differences. Just not enough of a change to do anything. Your mileage may vary.

Details will be the video we're posting later today on our youtube channel.
I installed the wire and noticed a drop in the temp readings, its roughly 2-3 Celsius lower than before when compared to ambient. My issue which I didn't think of before is that the Meth nozzle sits right before the throttle body which is after the sensor, so now I do not get the benefit of lower temps from the Meth at WOT. On the Meth it will go significantly below ambient, in light of this I went back to the original setup, don't feel like moving the nozzle before the sensor and tapping the pipe again etc.
 
We did some dyno work last week on our latest Stinger project. While it was on the dyno Payam decided to give this mod a test by redirecting the the manifold IAT signal to the chargepipe sensor. Those with a JB4 can do it rather easily by cutting a wire on the JB4 harness and extending it another part of the JB4 harness.

Anyway the results were we did see an intake temp reduction of around 10-15 degrees on average. The bad news was it resulted in zero power gains or differences. Just not enough of a change to do anything. Your mileage may vary.

Details will be the video we're posting later today on our youtube channel.
perhaps not at full throttle, but part throttle response on stock programming (i'd guess 30-40% throttle from my unofficial foot-o-meter) does feel much torquier. At full throttle (and boost) it's sucking down so many CFM that air temp probably doesn't matter as much.
 
From interior to exterior to high performance - everything you need for your Stinger awaits you...
Video posted. Payam was maybe a little more negative on it that I would have been. But at least in this testing the ~15 degree difference in IAT made no power or torque difference on the dyno. But those who want to do the mod with the JB4 can relcoate the wire within the JB4 harness or just use the JB4 IAT spoof to set the IAT to whatever you want. Which can be useful to counter heat soak in some situations like long staging lanes at the track.
 
I had a chance to get my car on the dyno this past Wednesday. My mods are as follows

DynoDay.webp

Boltons: Tekada intakes, Megan mid pipes, 7thSonEngineering tmap sensor relocation kit, Fast reaction tmap sensor
Tune: BMS BEF19, BMS TCU
Gas: Wawa 93 octane
Cosmetic: Ark GT-S springs


Had to pull the AWD fuse to run the car on a single roller Mustang dyno.
381whp
510 ft lb


3x runs with pretty much the same dyno numbers. Any one else getting monster torque numbers like this on just a BMS BEF?


MustangDynopull.webp
 
I had a chance to get my car on the dyno this past Wednesday. My mods are as follows

View attachment 90037

Boltons: Tekada intakes, Megan mid pipes, 7thSonEngineering tmap sensor relocation kit, Fast reaction tmap sensor
Tune: BMS BEF19, BMS TCU
Gas: Wawa 93 octane
Cosmetic: Ark GT-S springs


Had to pull the AWD fuse to run the car on a single roller Mustang dyno.
381whp
510 ft lb


3x runs with pretty much the same dyno numbers. Any one else getting monster torque numbers like this on just a BMS BEF?


View attachment 90038
What map was this on?
 
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From interior to exterior to high performance - everything you need for your Stinger awaits you...
I have 410rwhp and 550FT/LB @16psi with a Unichip lol.
 
I have 410rwhp and 550FT/LB @16psi with a Unichip lol.
So my numbers are acceptable. I just need to find a way to hold boost
 
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From interior to exterior to high performance - everything you need for your Stinger awaits you...
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Pretty neat. Intake temps 8-12f about ambient
IMG_6044.webp
 

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So ive had this harness on for a few days now and i figured id give my findings. I will say i am happy with what ive noticed.

Please also note that i have a 2.0
My mod list pertaining to performance :
K&N cai, Lap3 Unclechip on 93oct setting, hks plugs, BMS intercooler and a BMS pedal tuner. VT snorkles.

What ive noticed so far in my daily commutes. Roughly 60 miles round trip with a mix of highway and city.
Definitely a better throttle response. Where my car would "lag" at low speeds, for example traffic circles, very minimal effort to get going. Im not a heavy foot of the line at lights either but with my normal driving it definitely takes off quicker. I dont have a way to create any logs with my tuner or have a dragy so its all feel for me. I wouldn't be able to tell you if there was a power bump but without a doubt it down shifts and goes with no concern. My daily is usually in comfort so thats where my "testing" has stayed for the most part.

Now in sport there was definitely a little more throw you in the seat feel. Ive had my tuner on the car for several years so again i know exactly how my car reacts. It definitely helped in rolling take offs, 30 and up. On the highway either in comfort or sport the car is smooth as hell with no complaints.

I get that there is alot of "backlash" on how the harness does and wont make a difference. I believe that it needs to be used to figure out for oneself if it works on their individual car or not. For example 1 car may make 500hp with the same bolt ons as another that makes 450. Hopefully that made sense.

For me there has been a noticeable difference in how my car runs and reacts to my driving. And im happy with the results to this point. As time moves on if things change i will share those results as well.
 
Agree entirely mate, i'm just gonna sum it up like this.

Spend $2500 with Lap3 and have the same as everyone else, or spend $100 and have that seat of the pants joy ya havn't had since you tuned your car originally with whoever/whatever.

I love it and lightweight wheels/stripped interior/on e85 with a HPFP, i just dont know how long i am actually gonna keep my licence for?

Hopefully John @ TORK hooks me up soon with the next stage of my Fastest KIA in Australia Development Goals, but i sure as hell know who to stay away from...

Peace.
 
So ive had this harness on for a few days now and i figured id give my findings. I will say i am happy with what ive noticed.

Please also note that i have a 2.0
My mod list pertaining to performance :
K&N cai, Lap3 Unclechip on 93oct setting, hks plugs, BMS intercooler and a BMS pedal tuner. VT snorkles.

What ive noticed so far in my daily commutes. Roughly 60 miles round trip with a mix of highway and city.
Definitely a better throttle response. Where my car would "lag" at low speeds, for example traffic circles, very minimal effort to get going. Im not a heavy foot of the line at lights either but with my normal driving it definitely takes off quicker. I dont have a way to create any logs with my tuner or have a dragy so its all feel for me. I wouldn't be able to tell you if there was a power bump but without a doubt it down shifts and goes with no concern. My daily is usually in comfort so thats where my "testing" has stayed for the most part.

Now in sport there was definitely a little more throw you in the seat feel. Ive had my tuner on the car for several years so again i know exactly how my car reacts. It definitely helped in rolling take offs, 30 and up. On the highway either in comfort or sport the car is smooth as hell with no complaints.

I get that there is alot of "backlash" on how the harness does and wont make a difference. I believe that it needs to be used to figure out for oneself if it works on their individual car or not. For example 1 car may make 500hp with the same bolt ons as another that makes 450. Hopefully that made sense.

For me there has been a noticeable difference in how my car runs and reacts to my driving. And im happy with the results to this point. As time moves on if things change i will share those results as well.
These largely mirror my findings as well, although I have a 3.3L G70. The car just feels a lot more responsive at low and medium throttle inputs and I've been surprised at times at how hard the car launches at 50-75% total throttle.
 
From interior to exterior to high performance - everything you need for your Stinger awaits you...
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