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Old 09-21-2015, 12:47 AM   #5
40 Deluxe
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Join Date: May 2010
Location: now Kuna, Idaho
Posts: 3,835
Default Re: Why do Flathead V8 Blocks Crack?

Quote:
Originally Posted by Ralph Moore View Post
Well, the cracks from the center head studs to the water jacket actually were part of the design process. They were put in to relieve stress between the cylinder walls.
The other cracks, I'm sure, were a result of the way these engines were treated, back in the day. Too many overheat cycles, and or freezing in the winter contributed to most.
Come on Ralph, you're not serious, are you?! I have heard this comment made many times as a joke, because this type of crack is so common-such as "Ford assigned a part number to these cracks", etc. I seriously doubt, though, that they "were part of the design process"!!!
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