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Old 07-05-2010, 10:44 AM
Jorski Jorski is offline
MC Devotee
 
Join Date: Jul 2004
Boat: 1993 190 with LT1
Location: Toronto, Canada
Posts: 1,207
Jimn is absolutely correct about those petcocks...I had them, and I always had to remove them. I would open them, and hardly any water would come out, they were alwats plugged with silt, scale, rust etc.

I have even had the drain holes on the block plugged; always remove petcock or plugs AND poke a crewdriver or awl up in the hole and make sure that there are no obstructions.
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