How long is it safe to run a 97 cummins with no coolant at all? Sorry I know it's dumb but it happened and need to know if I should pull the motor and replace it

 

Did motor seize up ?
How hot did it get ?

 

It got just under 200 degrees. It did not seize up. The truck starts like a champion runs great but the turbo won't spool at all... I drove it down the driveway realized the problem and put fluid in it right away. Truck literally sounds and drives normally except the turbo issue

 

Check for play in wheel, then check for boost leaks.