Quote:
Originally Posted by duxthe1
I have the 79C t-stat. What I notice is that if the ambient is over about 65F, the car will still run at 87 degrees and that's with a new behr rad and fan clutch. Seems that the core and airflow will only support so much cooling.
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I too use the 79°C here in Texas with no ill effects.
Agree 100% on the radiator, it is flat out too small... this is even more pronounced in the W126. I think part of the issue is the non lock up torque converter and its heat exchanger within the radiator driving up temperatures. It is why the W126 powered M103s are absolute slugs in the summer.
The radiator is tiny compared to the V8s and Diesel powered cars... and something I recently noticed is that the lower radiator hose on the radiator only uses about half of the core.
I may be off my dot here but that seems silly if it is only using part of the small core.