i never really understood the steam hole location that is recommended we always felt the air that is trapped is at top in the V -- all the deck crack i have found have been in the center bolt area at the top of the thread going vertical --- ( As far as I know, siamesed blocks are siamesed blocks. ) -- i was talking about the thickness of the area at the barrell centers the new stuff is 700 thick in this area and solid as a rock -- the stock blocks are at best flakey and thin -- ( we after braking both sliced the blocks on a band saw to see what the real deal was ) SORRY I DID NOT EXPLAIN CORECTLY -- jz
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