b53 3hp light twintelltale stream or not

[kevmc]

"Just inherited a '53 3hp,

"Just inherited a '53 3hp, runs good but no water pressure telltale. Don't see a place for one....??
How do you know if pump is working..??"

 

[bobbyc]

No tell tale...a fine water mi

No tell tale...a fine water mist should be visible from the exhaust slot when the motor is running

 

[kevmc]

Not much coming out.
How much

Not much coming out.
How much of a gap is OK between driveshaft and waterpump housing? I've heard that it might suck air thru this gap if housing is worn in excess.