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Old 08-06-2003, 04:33 AM   #20
john banks
Scooby Specialist
Member#: 11669
Join Date: Oct 2001
Location: UK
Evo IX 345 WHP


Link ECUs on old shape Impreza turbos do not always have IAT, none of them have charge temperature.

They work fine - in hotter conditions there is more fuel and less timing. Not very precise, but they work.

If using a custom uC for this you could use a thermocouple, AD595 and have a fine sample rate.
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