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08-18-2023, 07:33 PM | #1 |
Junior Member
Join Date: May 2020
Posts: 14
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Cracked Block (Ugh)
This morning, while in the process of tearing down a 1946-1948 Ford flathead and inspecting the block, we discovered a crack. Here is a picture of it. The plan is to take it down to a gentleman with years of experience repairing blocks but I thought I would post a picture of the block here to see if anyone has dealt with any similar problems and how you went about fixing them.
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08-18-2023, 07:53 PM | #2 | |
Senior Member
Join Date: May 2015
Posts: 8,221
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Re: Cracked Block (Ugh)
Quote:
__________________
The only thing nice about being imperfect is the joy it brings to others.... "Silver rings, your butt! Them's washers!" "We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969 https://www.youtube.com/watch?v=7NReUd2_0u0 |
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08-18-2023, 08:03 PM | #3 |
Senior Member
Join Date: Jan 2011
Location: Central Ohio
Posts: 5,079
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Re: Cracked Block (Ugh)
From my perspective, if that is the only crack, not a huge deal in that the water pump gasket will cover it - so there should be no leaks. BUT, it was probably a water freeze situation that caused the issue, so I'd really have the rest of the block checked out to see if there are more surprises to be found. It needs to be magged and pressure tested at the very least - if that passes, then I'd sonic test the bores as well. Checkout the pan rails very carefully - as freeze cracks tend to appear in them as well. Best of luck
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08-22-2023, 11:24 AM | #4 |
Senior Member
Join Date: May 2010
Location: Mill Valley,Ca.
Posts: 1,509
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Re: Cracked Block (Ugh)
By all means, pressure test this, magnuflux it.
Like B&S said, don't fix it! Use a straight edge to determine surface irregularity. Use a good sealer, I like Three Bond 1184 Karl |
08-27-2023, 04:11 PM | #5 |
Junior Member
Join Date: May 2020
Posts: 14
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Re: Cracked Block (Ugh)
Thank you all for your help. Tom
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08-29-2023, 06:50 AM | #6 |
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Join Date: May 2010
Location: Middletown Pa
Posts: 392
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Re: Cracked Block (Ugh)
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