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Is this block worth building?

1K views 6 replies 6 participants last post by  BuzzLOL 
#1 ·
Picked up a mexican 351w shortblock recently and upon tearing it down found a small chip at the rear seal (see pics). I'm not sure if this will reduce the structural integrity of the block, or just leak oil. I didn't notice any oil leakage coming from the area when I took it apart.
I plan on building it up to and possibly over 500hp, so I would like to know what you guys think. I'm already into this block a couple hundred and don't like the idea of finding a new one. Should I...
Build it?
or
Scrap it?
 

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#3 ·
Don't even worry about it, it is more cosmetic than anything else. It doesn't pose a sealing problem as it isn't a surface that is the direct seal point.

Doesn't impact HP capability either, the block will split down the middle through the lifter valley before anything would ever happen at the rear of the casting.
 
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