Robert Darrah wrote:

I need assistance, again.  I have acquired a '88 RX-7 oil cooler.  Does it
have a thermostat in it, and if so, how does one flush such a beast?
     It has a large hex nut in the tank portion, what trouble will I get
into if I remove that nut?

Any guidance would be appreciated!

Thanks.

Bob Darrah

That nut holds the oil cooler thermostat. You can remove it no problem
and replace it no problem. Like the water pump however you need
to plug the bypass hole if you remove the thermostat permanently.

Paul Lamar
 
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