Power FC IAT sensor replacement
#1
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IAT sensor replacement
Hi all,
as everyone already knows the oem IAT sensor reads pretty slow and heat soaks in the oem location...well I Have been wanting to find a better solution to the OEM pos and thanks to another forum I think I may have found a awsome replacement
http://www.compsystems.com.au/Downlo...MR/CSA5ATS.pdf
I will be getting it in a couple of weeks provided its available, the calibration seems to be pretty close to the original so it should be a simpe drop in deal just thought I'd share. once I get a hold of it I will do some tests on reaction times and accuracy vs the OEM and post my findings.
as everyone already knows the oem IAT sensor reads pretty slow and heat soaks in the oem location...well I Have been wanting to find a better solution to the OEM pos and thanks to another forum I think I may have found a awsome replacement
http://www.compsystems.com.au/Downlo...MR/CSA5ATS.pdf
I will be getting it in a couple of weeks provided its available, the calibration seems to be pretty close to the original so it should be a simpe drop in deal just thought I'd share. once I get a hold of it I will do some tests on reaction times and accuracy vs the OEM and post my findings.
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yes I am relocating to the stock elbow since its non mettalic and should net the least amount of heat soak but I was also hoping to improve on the unknown variable of the stock sensors slow reaction time.
#4
Mad Man
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I did a couple of comparisons between a stock sensor and one that I had sanded down the end of to remove the excess plastic around the tip. Chuck I believe had suggested it. Anyway, the response was much much quicker but still not as fast as a true open element sensor. What was interesting was that the stock sensor took around 3-4 minutes to reach its final temperature it was not far off by about a minute into the temeprature change. While the sanded down one took around a minute to completely stabilize being fairly close to a stable reading around 15 seconds. These were doing dunk tests between almost boiling water and ice water. Not real scientific but it did show a difference.
#6
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Originally Posted by kevinbtz
Do you have a picture of the sanded down one, just curious how much material was taken off.
I carefully sanded the black plastic off the tip and tip sides down about 1/8" untill the color changed due to the sensor being exposed. My sensor color is a semi-translucent beige/brown.
I do try to "push the envelope" on thinking how to make something work better for less.
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#10
Mad Man
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Any updates on that sensor you were going to check out. I have been logging my GM AIT sensors compared to a sanded down stock sensor in the Greddy elbow. It is rediculous the amount of difference in change from the start of a WOT run to the end. OEM doesn't move but a few degrees C.
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Ugh....unfortunantley no. I have gotten swamped down at work and haven't had a chance to get this going yet. hopefully soon I will be able to get back to it.
#12
GorillaRaceEngineering.co
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There is no cheap way to determine that unless the process is done on a few and if the manufactoring process makes each sensor exactly the same .
I carefully sanded the black plastic off the tip and tip sides down about 1/8" untill the color changed due to the sensor being exposed. My sensor color is a semi-translucent beige/brown.
I do try to "push the envelope" on thinking how to make something work better for less.
I carefully sanded the black plastic off the tip and tip sides down about 1/8" untill the color changed due to the sensor being exposed. My sensor color is a semi-translucent beige/brown.
I do try to "push the envelope" on thinking how to make something work better for less.
Did you notice much difference after doing this? Response, heat soak, sensor reaction time etc. ?
-J
#13
Eye In The Sky
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YES, it is faster and less heat soak when placed in the outlet pipe of my FMIC.
#14
Mad Man
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Here are two different sensors I had cut down. The one with less material removed did not react much faster. The other with much less did material I tried this weekend and it did change temperature much faster. What was interesting was that before my temperature would change maybe a 1-2 degree during a 2 and 3 gear run and would continue to go up after the run for a while. When I logged the sensor with the bead showing it actually change temperature during the run a total of 10 deg C. The temperature was still going up a deg or two after the throttle was closed though, assuming heatsoak. Sensor is in the Greddy elbow.
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Skeese
Adaptronic Engine Mgmt - AUS
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03-28-17 03:30 PM
1984, 454, air, calibration, element, fc, gm, iat, intake, open, replacement, rx7, sensor, temp, temperature