Speedmaster, Edelbrock LA, or magnum cylinder head MILLING LIMITS & common Milling Optimization

LO23M8B said

So a 340 or 360 is safe to mill the block deck 1/8"?

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Yes but that’s the very most I’d take. I’d rather a small dome than doing all that milling.

The most I’ve ever taken off a passenger car deck was .100 and I had to do that to get the pistons about .050 out of the hole.