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Old 11-23-2011, 04:29 AM   #28 (permalink)
meelis11
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Green frog - '97 Audi A4 Avant 1.9TDI 81kW
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Maybe someone could use this controller for a grill-block-gizmo:
Autospeed article: $25 Temperature Controller and Display!

I agree that best place for temperature measurement is radiator return line. Example if normally radiator drops temperature from 90 C to 70 C then you set threshold to around:
if temp higher than 75 then open grill, shut grill if lower than 70

Meelis

Last edited by meelis11; 11-23-2011 at 04:34 AM..
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