Winterizing a 350 Mag MPI SKI 5.7L Mercuriser

mmcconn2 · Sep 7, 2011

Does anybody know about how many gallons of antifreeze you will need to winterize a 350 Mag MPI SKI 5.7L Mercuriser? Thanks

Don S · Sep 7, 2011

Re: Winterizing a 350 Mag MPI SKI 5.7L Mercuriser

Zero gallons are NEEDED ----- Antifreeze is not necessary, air doesn't freeze.

Bondo · Sep 7, 2011

Re: Winterizing a 350 Mag MPI SKI 5.7L Mercuriser

mmcconn2 said:
Does anybody know about how many gallons of antifreeze you will need to winterize a 350 Mag MPI SKI 5.7L Mercuriser? Thanks

Ayuh,.... Agreed,...

If ya just DRAIN, ALL the water out, yer Good to -100?C....

jmarty10 · Sep 7, 2011

Re: Winterizing a 350 Mag MPI SKI 5.7L Mercuriser

ya....but how do you know you got all the water out?

Bondo · Sep 7, 2011

Re: Winterizing a 350 Mag MPI SKI 5.7L Mercuriser

jmarty10 said:
ya....but how do you know you got all the water out?

Ayuh,... Understand What yer workin' on, 'n Where water might be hidin'...
'n remember,...
Water flows downhill...