I was studying my Corvette News Volume 9 No. 5 (1966)" Building the 427 From Foundry to Shaving Cream to Box Car". For those who have not seen this, it is a wonderful photographic and narrative documentary of - as Corvette News puts it -"building the big one". Unfortunately they do not photo document the actual casting or broaching activity. I have heard descriptions of the Tonowanda GM broaching equipment as "a giant train car size machine with upside-down blades on which multiple blocks were pushed across simultaneously for deck leveling - hence the unique broach marks).
QUESTION _ Has anyone made available any factory photos of the actual foundry and broach process?
PS - if the shaving cream part got your attention - it was employed as an actual part of the Big Block assembly process when the heads were being fitted to the short block. Shaving cream was squirted into the coolant passages of the heads to prevent any errant core sand particles from contaminating the critical short block areas like the cylinders. The cream was then harmlessly dissolved in the coolant upon startup!
QUESTION _ Has anyone made available any factory photos of the actual foundry and broach process?
PS - if the shaving cream part got your attention - it was employed as an actual part of the Big Block assembly process when the heads were being fitted to the short block. Shaving cream was squirted into the coolant passages of the heads to prevent any errant core sand particles from contaminating the critical short block areas like the cylinders. The cream was then harmlessly dissolved in the coolant upon startup!
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