Not Ranked
Well for one thing the blocks you pictured are TO and SO SOLID lifter blocks. The hydraulic blocks 68 up have 2 galleries drilled for the lifters. They run the entire length of the block. If you think the hole from the top of the cam to the common gallery on the TO is the problem you are mistaken. They don't crack there. They crack at the common weak spot cam to main. This is getting really old.......................
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