Purpose for pinning a block?
For N/A it is not needed. Maybe on 86mm bore B-series..
For boost, it's a good idea. Especially if you're getting the block sleeved at the same time. Stiffens up the cylinders.
For boost, it's a good idea. Especially if you're getting the block sleeved at the same time. Stiffens up the cylinders.
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