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The block may be just fine. I thought the idea was just to scrounge up a set of heads and get them rebuilt, and try to just install them....


My thoughts are what if your heads are good and your block is bad? This is coming from thinking about how a vehicle runs with a separated connecting rod.
Your call though since you actually have the truck to look at and have probably experienced every kind of failure ever on a vehicle so i'm sure you have a good idea.

1999 Montero SAS'd on Kings and stuff

1998 Montero trying to get a V8 Swapped