EGT testing
I've had an EGT gauge mounted about 2" from port 1 of the cylinder head for a week now. These actual readings compare pretty well to those calculated by the PCM. I have a 50 trim turbo which may or my not effect the PCM determined EGT temperature.
Autometer EGT reading Interceptor EGT reading from PCM
750 (idle) deg F 950 deg F
1050 1125
1200 1275
1300 1400
1400 1500
1550 1650 (WOT)
Once the actual got over 1000 deg F the difference between the two was a fairly constant 100 deg. I don't know exactly where the PCM is determining the temperature, perhaps at the cylinder exit of combustion chamber. I'll be interested to see if the stock turbo readings are closer.
Todd
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'04 Silver SRT-4 - S0, S3 turbo, Corsa exhaust.
12.80 @ 115
Aeroforce Technology Inc.
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