4.6 into CJ8

[bofish52]

Well I am just about ready to drop stroker in but was looking for some info.
I read somewhere but can't find it that I need to drill out a motor mount bracket hole larger or one of the holes in the block,
If anyone could confirm this and tell me which one and size it would be appreciated,

Thanks

[John]

Engine mount bolt you are asking about on the driver's side of the block is a 12mm - 1.25 x 25mm, grade 8.
John