Quote:
Originally Posted by tobybul
Based on the performance of my 84D (aftermarket rad) vs my 85D (oem rad), I beleive that the oem rad does not cool as well. The cooling performance of the rad has a direct bearing to the engine temp. I don't think this means that the oem rad is no good. Its just the the non-oem maybe more efficient (more surface area?).
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I've had my original radiator and it was replaced with an aftermarket Nissins one, and still, the temp runs the same with the same thermostat.
Of course, when the thermostat went bad a few days after we got the car in 2004, the temp would soar to 100 on highways.
Replaced it with what I think is a Wahler brand, and it sits just above 80, maybe 85 to 90.
This is consistent regardless of outside temp too, and even the fan replaced with a good used one.