Homemade 340 ###

Garrett Ellison said

There are several advantages with using an early 360 block in place of a 340. The main webs in the early 360 are extra beefy, and the lifter bores aren’t countersunk. And the cylinder walls are thick to the point of being nearly Siamesed.

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Really? I had not knowed dat. lol Have you got a picture of a 360 block where ALL the lifter bores are not chamfered? I've never seen one and I've seen a lot of 360 blocks. I've seen some that had a few not chamfered, but not one that had them all not chamfered.