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Old 05-24-2012, 11:59 AM
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Stx221 Stx221 is offline
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Join Date: Jan 2012
Boat: 1995 Prostar 190, LT1 w/ Powerslot
Location: Maine
Posts: 189
I have used JB Weld on a friends oil pan that had about a 2" crack or so in a car before. It held up for 2 years and about 20k miles with no issues. That was cheap cast aluminum and it held up very well, never leaked.

However, I wouldn't have done that to an engine block. I would pull the motor and either have it professionally welded and then pressure tested/rebuilt, or find a "junkyard" motor to put in its place.
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