> 1- My
> thinking was, the more rows in an oil cooler, the better it
> will keep the oil temp down.
Well, sorta. As you pointed out, you really want to have a thermostat, so
the oil gets warm enough to boil off condensation, reduce sludge, etc. So
unless you are going racing, generally the thermostat is going to control
the oil temperature and a bigger cooler won't help at all.
> 2- What is the oil temp. with an oil
> shut-off valve/regulator when the engine's
> oil is at operating mode with 1-13
> row cooler vs a more row cooler?
That depends on a lot of things. But in general, since I don't think you
are planning on racing the GQ, I think you are going to mostly see exactly
the same temperature no matter which size cooler you use. Which will be
somewhere around 200F unless you choose a different thermostat.
BTW, both Hayden and DeRale (maybe others) offer an oil cooler adapter that
sandwiches between the spin-on filter and housing, and include an integral
thermostat. Seems like a nice setup, IF it would fit on a TR.
-- Randall
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