Hurant Karibian wrote:

  Would it be possible to hook up a turbo charger
directly to a fluid coupling, similar to the old Chevy
fluid drive transmissions? And how hot would the oil
get from the churning slippage?

Fluid couplings and torque converters are anywhere between 60% 
to 90% efficient depending on the ratio of input RPM to output RPM.
High input RPM low output RPM .... low efficiency.

If you are attempting to transmit 30 HP and the fluid coupling is
only 60% efficient 12 HP is being dissipated in the fluid coupling
in the form of waste heat. At 746 watts per HP that is  8,950 watts 
or about the same as eight 1100 watt electric room heaters. Putting 
it another way .... eighty nine 100 watt light bulbs.

Paul Lamar
 
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