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Sickening- Cracked Block - Repairable?

Not familiar with block filler, I will need to research that. Did this affect the cooling?
It’s used by racers, it’s similar to concrete, often called “hard block.” A “street fill” is usually considered up to the bottom of the core plug holes. You may need extra oil cooling to make up for it. If you’re just drag racing most don’t bother. You can see elevated oil temps on the street, likely won’t notice if you don’t monitor before and after.

ENG. BLOCK FILLER, CASE

Here’s the crack repair kit I recommend:

.235
 
I'd get all the plugs out and a borescope inside and magnafluxed before making any repair decision. stuffing or partial is not an option in my opinion unless it going to the drag strip! I have a stuffed 440 block clearanced for stroker build, but it's shelved because no need for it anymore,all the rotating assembling was used in the Bella build!
 
Not here I used them at the mill, I have limited acess to them. There are some on eBay right now.
 
This is the method I use to repair cracks. The first hole on the end stops the crack, then keep pinning, and overlapping to remove the crack. The longest one I have repaired was around 17" long.

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I knew you would either chime in or I was gonna drag you in buddy. Merry Christmas to you and your family Dave.
 
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