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Old 03-21-2012, 06:44 AM   #1
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Default 96 engine block hole (new to miatas)

Hello all,

I am new with building miatas and just in the process into rebuilding the 1.8. My question is that I found a hole around cyclinder 4 when the block is being placed with crankshaft side up. I am not sure if that hole is supposed to be there or other wise.

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Old 03-21-2012, 11:39 AM   #2
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If you are talking about the one by the oil squirter, The 1.8 BP1 block I am working on has that same hole, blocked off with a plug on the bell housing side.
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Old 03-21-2012, 12:18 PM   #3
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So the hole is supposed to be there? Do u know what purpose it serves? Thanks
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Old 03-21-2012, 09:52 PM   #4
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My 99 looked the same way. I figured it was either from casting or a way for oil to make it's way back to the pan.

Totally normal though.
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