[Tigers] oil coolers

[Thomas Witt]

Interesting with all the chat about oil coolers.  My nephew had one of the 
1st generation MR-2's.  It had an oil cooler that was integral with the 
cooling system. Basically there was a bulge in the radiator hose... (really 
a radiator pipe).  The oil passed through and transferred heat to the 
cooling system.  This leaves me to ponder three things:

1. Apparently Toyota had no problem with the oil adding to the heat load of 
the cooling system.
2. Apparently 220-250 degree oil can benefit from a quick pass by 180 degree 
coolant.
3. This system actually brings oil up to temp faster adding to fuel mileage 
and at least from a cold start, more power.
4. I'll add a fourth.  Why did my nephew replace the motor (and then 
immediately replaced it again when that one was bad)? I told him to check 
for the oil cooler in the first place (which did proved to be bad)?  I guess 
because back then he wore his cap backwards.  Come to thing about it, it 
wasn't the cap, it was his head that wasn't screwed on straight!

Tom :-)


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