Charge Temperatures
Hello folks,
I have recently purchased a Lascar digital temperature gauge and k-type fine-wire thermocouple. I mounted the thermocouple at the exit of the intercooler, just before the throttle butterfly. Firstly, is this the correct location to measure charge temperature? Secondly, What readings should I be seeing on a WRX03 PPP with STi filter? Thirdly, where is the best place to install a thermocouple to measure intake temperature? Just before the MAF? Thanks :) |
Yes just before throttle butterfly is good, either in the air box or before maf is good for intake etc..
anywhere between same as at intake + couple of degrees upto 60degrees depending on whether moving or sitting in traffic. It should drop fairly quickly as you move off after sitting in traffic. |
Originally Posted by Jiggerypokery
Hello folks,
I have recently purchased a Lascar digital temperature gauge and k-type fine-wire thermocouple. I mounted the thermocouple at the exit of the intercooler, just before the throttle butterfly. Firstly, is this the correct location to measure charge temperature? Secondly, What readings should I be seeing on a WRX03 PPP with STi filter? Thirdly, where is the best place to install a thermocouple to measure intake temperature? Just before the MAF? Thanks :) |
Thanks people,
I had been getting "sensible" readings for a while, but things started going pear shaped when I saw 70+ and the reading would jump 10 degrees when I switched on the side lights :rolleyes: and another 10 when I switched on the headlights! :rolleyes: I have now put heatshrink on the full length of the thermocouple cable as I think the very thin insulation may have worn away against the intercooler under the rubber pipe. Do I need to shield the cable against electrical noise with wire braid? Thanks again. |
I didn't pick up any noise on the K type. I suggest the Lascar power supply to be the problem. My temp gauge is batt powered an I don't have any odd readings and the TC is in the same place.
F |
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