1z swap motor mounts, bolt size in the block?

I will be fabricating motor mounts for my 1Z 1.9 and the holes in the side of the block are pretty crapped up and full of grease/ dirt. I need to run a tap to clean them out but I am not sure of the size. What size bolts are used here guys?

M10 x 1.50 should be.

Do not use a tap, use a thread chaser.

oilhammer said:

M10 x 1.50 should be.
Do not use a tap, use a thread chaser.

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OK thanks. I have it soaking PB Blaster at the moment, I'll blow it out and get as much crud as I can out before chasing it. Thanks!