The WW washer tank is prone to leaking(VERY prone) and when it does leak it will leak onto the turbos and you have a fire in the engine bay.
If you sprayers you mean nozzles then that is a subjective answer. You want to run the SMALLEST nozzle(s) you can run and still move enough meth. The smaller the nozzle the better it atomizes and the better the distribution between cylinders.
"I'm not surprised you get along well with all the other neighbours. If you put fifty children with Down's syndrome in a room there is going to be a lot of hugging." David Thorne