Quote:
Originally Posted by Rhinoman
I used Wiseco on race bikes. very good pistons and light too. I would be wary of overboring the block. I've seen a lot of blocks cracked between nos 3 and 4 and reducing the thickness of the liner will reduce the rigidity of the block.
I have considered some ally welding across the top of the block to add bracing and hold the top of the cylinder more rigidly but theres no knowing how this would affect the expansion and contraction of the block over temperature.
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Crack the block? .040 over?
Now what? mill the head?
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