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10-01-2021, 03:58 PM | #1 |
Member
Join Date: May 2021
Location: Auckland New Zealand
Posts: 48
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Cracked C59A block... any repair ideas?
Hi All.. I've found a small fine crack between the intake port and the bore on number 8 cylinder. Could I solder(very soft) or brass or tig with a high nickel rod? Would I have to fillet the crack? Could I apply some miracle epoxy compound?
She's at +80thou so would a sleeve and stitching across the deck be an option? Just trying to save some mula here. Regards Kevin |
10-01-2021, 04:19 PM | #2 |
Senior Member
Join Date: Jul 2014
Location: Iowa
Posts: 1,634
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Re: Cracked C59A block... any repair ideas?
At our shop we repair block cracks that don't involve the water jacket, such as the area in the valve pocket, by drilling and tapping a hole, and inserting a threaded plug, followed by some good sealer. If the crack is into the water jacket, or at the bottom of the bore, it is unlikely a repair will be successful. When we rebuild a flathead, we install hardened seats. This provides the best way to prevent future problems.
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10-01-2021, 04:58 PM | #3 |
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Join Date: May 2012
Location: Queensland, Australia
Posts: 10,372
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Re: Cracked C59A block... any repair ideas?
Cracked C59A block... any repair ideas? Kevin |
10-01-2021, 10:30 PM | #4 |
Senior Member
Join Date: May 2010
Location: Chester Vt
Posts: 8,860
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Re: Cracked C59A block... any repair ideas?
Frank Casey can stitch that and you won't even have to sleeve it.
Gramps |
10-02-2021, 12:31 AM | #5 |
Member
Join Date: May 2021
Location: Auckland New Zealand
Posts: 48
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Re: Cracked C59A block... any repair ideas?
Thanks Ron.. I'm in New Zealand but its great to know it can be sorted.
'We have the technology, we can rebuild....' The $6,000,000 motor. |
10-02-2021, 08:20 AM | #6 |
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Join Date: May 2010
Location: Charlotte NC KiWi-L100 available here
Posts: 2,963
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Re: Cracked C59A block... any repair ideas?
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10-02-2021, 09:52 AM | #7 |
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Join Date: May 2010
Location: NJ
Posts: 6,181
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Re: Cracked C59A block... any repair ideas?
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10-03-2021, 09:23 AM | #8 |
Senior Member
Join Date: Nov 2015
Location: North Pole, Alaska
Posts: 2,651
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Re: Cracked C59A block... any repair ideas?
Old repair on a block I have. Cracked in same spot, pinned, sleeved & new seat. Of course later it got moisture in block from sitting outside for many years.
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