3.7 speedy sleeves

Lifesatrip · Sunday at 2:49 PM

Working on a 1986, MerCruiser 3.7 changing out the circulation water pump needing to install speedy sleeves. How many do I need?

ROY WILLIAMS · Monday at 9:11 AM

Lifesatrip said:
Working on a 1986, MerCruiser 3.7 changing out the circulation water pump needing to install speedy sleeves. How many do I need?

water pump, coolant antifreeze 50%-distilled water 50% engine.
engine antifreeze/distilled pump. pump damage water.

Scott06 · Monday at 9:24 AM

Lifesatrip said:
Working on a 1986, MerCruiser 3.7 changing out the circulation water pump needing to install speedy sleeves. How many do I need?

one - the two seals ride on the cam snout next to each other.