In the interest of curiosity and the parts available... I installed a Cyberdyne Air Temp Gauge in my 04 GT. I know it's supposed to be an ambient air temp gauge, but I installed the sender in the Mass Air, on my JLT Cold Air (the one that goes into the fender), so I now have an INTAKE Temp gauge... - i sanded/ contoured the sender to not mis-shape the inside of the mass air, ran everything, and turned it on... I wired the gauge with my lights, so, when I turn on the parking lights, or head lights, the gauge is powered. When powered, and the car is not running, or hasn't run all day, as in my "study", the reading is the ambient air temperature. I drive my car everyday to and from work. This is a 15 mile commute, 1 way, and approx 11 of those miles are on the Interstate, between 65 - 80 mph.

My findings are as follows:

The 1st day, car sat in parking lot all day at work, upon leaving in the evening, ambient temp was 93F, fairly high humidity (50 - 60 %), hadn't rained in several days. As I was about to exit the Interstate, I turned the gauge on, (I've now driven about 12 miles, at highway speed), and the temp was 84F... That's 9 degrees cooler air rushing over the sensor in the intake than ambient temp

Trial 2, it has rained all day, and stopped at approx 4 PM, I left work at 5:30PM, It is now hot, sticky and very humid, 90%+, Ambient temp reads 89F, this trip the gauge is on for the duration of my trip because of the lights being on(It rained--- safety first) After my 1 mile of redlights, I merge onto the Interstate, and the temp begins dropping about 1 degree per 8-10 seconds... the lowest temp reached today was 83F... so, more humid, only 6 degrees cooler...

3rd Time's the charm- after 3 days of heavy rain off and on, a cooler front was pushing through GA, so the humidity dropped, and the rain had past... Left for work 8:20 AM, Ambient Temp read 86, maybe 25-30% humidity (it's always a little humid in GA)... 3 miles to the Interstate, and temp has dropped to 84 (2 degrees), after 4-5 miles on the interstate, I had reached the coolest temperature I've seen thus far... 75F! That's 11 degrees cooler than ambient when I left for work, and bear in mind that as the morning progresses, the temp outside rises...

So, it seems hard to figure that the air coming in to the engine starts at "ambient temp" and just by rushing through, drops degrees... But, you know, it's always cooler outside when there is a breeze, so... .

All this being said... JLT is the BomB! and now there are some numbers to halfway prove it!

Sorry for the novel, but thanks for taking the time to read it...

Justin "Sticky" Easterling

 

wow thanks. That's awesome

 

cool, interesting read
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wow...thanks for the info.

 

cant wait to get mine

 

Nice info

 

Pretty cool little test you did there.

 

You just sold me on the cold air intake. I was going to get the Ram air intake but this changed my mind, plus it's only a little bit more $$$for the CAI.

 

pretty cool info. Could you stick the stocker back on to compare the 2?

 

I just did a mock up of my tunable induction (same as JLT). It really drops the filter down low and out of the engine bay. The vents in the front of my saleen bumper give the air a straight shot at the filter. CAI is the way to go if you're getting an intake. Nice test.