Thank you! This helps and here in Sioux Falls we have an excellent source for all of that then. Thankfully per the last owner it's a low mileage block but it did sit for 25 years after the suposed rebuiild. I've been spraying penetrant for the past weeks and will hit it w/ the torch when I start. I wouldn't remove them except he used steel freeze plugs and one was bad from sitting. I want to replace them all so I don't get stuck somewhere. Fingers crossed the flywheel side ones are pretty sound.
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