Given a 200 gallon tank with 150 psi pressure you would no longer be able to pump the diesel to the roof after 460 gallons of the diesel is pumped, assuming tem

Given a 200 gallon tank with 150 psi pressure you would no longer be able to pump the diesel to the roof after 460 gallons of the diesel is pumped, assuming temperature is constant and line friction losses are negligible. Also, I think you have made an error in your arithmetic.