<VV> Oil temp

[Jay Maechtlen]

yeah, that was part of the exchange I chimed in on.

Water pumpers are different - most of the oil going to a head has to 
drool back into the pan via engine surfaces that have coolant between 
them and the combustion process. Those surfaces should be pretty much at 
coolant temp. I bet that's where most oil cooling happens in a water 
pumper - flowing over surfaces that are at coolant temp.

In Corvairs, there aren't any temperature-controlled surfaces to flow 
the oil over. I imagine the pushrod tubes provide some cooling, but 
maybe not much,  since they see air that's coming from the head and 
barrels. That's why you need oil coolers, and why the factory provided them.


-- 
Jay Maechtlen
SoCal
'61 2-dr modified w/fiberglass skin,
transverse 3.8 Buick V6 TH440T4 trans

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