Meh, I guess I should be running thicker oil in the trans than stock now since track and turbo are both being added to the list of things it must endure.

 

Will a clutch-type LSD benefit more from cooling than a torsen-type diff? I'd think a clutchpack has more internal friction, thus creating more heat than a torsen on a similar track and similar power.

 

Seems logical^

Could you re-plumb the power steering pump to run the fluid through the trans and a proper sized cooler? Additional fluid added aids in temps too. Maybe even some heat-sink hard lines.

There was a Supra guy that machined his diff flange to drive a v-belt pump for his diff cooler. Yes it takes power away from the drive line but I don't see it being a noticeable amount. Plus the stock Miata diff flange has some meat to it.

 

that is a good idea but it might be more effort then it is worth and i'm not sure about fluid comparability between the power steering pump and the trans. I'm not even sure what type of power steering fluid our cars take but it could be a issue. a small electric pump seems like the best choice. if you use the drain plug and the fill port I would be concerned about hitting the fitting over a speed bump or something. welding a fitting is a option but more work