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02-11-2021, 11:23 AM | #1 |
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Block leak help, Lending a hand!!!
Posting for a fellow barner needing advice on a 59A block leak...
"working on a 59 block and so far found a leak from pressure testing (where tape is).I was hoping when you get some time you would post it on the barn to see if it can be repaired and the best way." |
02-11-2021, 12:44 PM | #2 |
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Re: Block leak help, Lending a hand!!!
That looks like a good application for J B Weld or similar material. Your friend should read through all the suggestions offered on another recent post.
https://www.fordbarn.com/forum/showthread.php?t=294252 |
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02-11-2021, 02:58 PM | #3 |
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Re: Block leak help, Lending a hand!!!
Barr's stop leak with copper particals has stopped any leaks
I have had. G.M.
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02-11-2021, 04:23 PM | #4 |
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Re: Block leak help, Lending a hand!!!
Having a block with a similar crack, some old timers suggested to TIG weld it, but others said that area is pretty thin and epoxy is a better solution. I was in a position to find another block. My crack was approximately 8" long and it ran along right at that casting parting line.
Last edited by Tim Ayers; 02-12-2021 at 12:39 AM. |
02-11-2021, 07:47 PM | #5 |
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Re: Block leak help, Lending a hand!!!
If you can get a drill into the location, consider drilling it, using a special tap and put in IronTite cast iron plugs. It looks like an area that I could get into - so it is probably not a big deal to fix it this way.
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02-12-2021, 12:41 AM | #6 | |
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Re: Block leak help, Lending a hand!!!
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Quote:
Just a thought. Last edited by Tim Ayers; 02-12-2021 at 08:58 AM. |
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02-12-2021, 07:59 AM | #7 |
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Re: Block leak help, Lending a hand!!!
If under pressure, braze or nickle weld might be preferable to hardware store epoxy fix; if cost is not a concern, technical epoxies might be an option.
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02-12-2021, 11:18 AM | #8 |
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Re: Block leak help, Lending a hand!!!
What are technical epoxies?? G.M.
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02-12-2021, 11:52 AM | #9 |
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Re: Block leak help, Lending a hand!!!
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02-13-2021, 09:32 AM | #10 | |
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Re: Block leak help, Lending a hand!!!
Quote:
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02-13-2021, 09:45 AM | #11 | |
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Re: Block leak help, Lending a hand!!!
Quote:
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02-13-2021, 10:30 AM | #12 |
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Re: Block leak help, Lending a hand!!!
Thanks for all the reply’s, I have had trouble logging in for couple of days so could not respond. The picture shows #3 cylinder in between lifter bore same problem with # 7 cylinder except cracks are in area behind wher intake valve spring would be and goes horizontal almost all the way to top. Not sure , without more cleaning and de rusting if more cracks on inside. Future leaks in that area would put coolant in oil. Thanks again, I really appreciate the help
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02-13-2021, 11:23 AM | #13 | |
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Re: Block leak help, Lending a hand!!!
Quote:
If it was me, I'd find another block and be able to sleep at night . . . Last edited by Bored&Stroked; 02-13-2021 at 11:31 AM. |
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02-13-2021, 11:27 AM | #14 |
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Re: Block leak help, Lending a hand!!!
I recently took my 59a block to a machine shop that primarily rebuilds Ford and Chevy Engines to get it acid dipped and magnafluxed. The shop told me the block was junk and he would not be able to repair the block. I loaded the "junk" block in my van and took it to Mike at H&H Flatheads. Mike took a quick look and said it would not be a problem to fix the crack and the repairs are being done as we speak. I am not sure if he will braze, weld, or use epoxy the crack but he will stand behind it with a 1 year 12,000 mile warranty. I contracted Mike to build a complete running engine for me because I felt good about his reputation and his honesty. The engine is scheduled to be completed much sooner than I had anticipated.
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02-13-2021, 11:34 AM | #15 | |
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Re: Block leak help, Lending a hand!!!
Quote:
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02-13-2021, 11:41 AM | #16 |
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Re: Block leak help, Lending a hand!!!
B & S , I agree with you 100% flatheads are to expensive to build. I am going to try to get the valve chamber sand blasted to get a better look. I don’t know how common it is for blocks to crack inside the valve chamber but I was surprised.
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02-13-2021, 12:09 PM | #17 |
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Re: Block leak help, Lending a hand!!!
Dye penetrant check kit is a very good tool for finding cracks in cast iron.
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02-13-2021, 12:43 PM | #18 |
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Re: Block leak help, Lending a hand!!!
I would stay away from any media blasting as the crap gets in everywhere and is a bitch to remove it all. (If you can).
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02-13-2021, 12:51 PM | #19 | |
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Re: Block leak help, Lending a hand!!!
Quote:
Sadly, I have two that did not hold pressure in that area when tested. Sure glad I found out before moving forward. From what I gather, that part of the block is really thin. Last edited by Tim Ayers; 02-13-2021 at 12:57 PM. |
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02-13-2021, 07:17 PM | #20 |
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Re: Block leak help, Lending a hand!!!
Tim, I do see the line you are referring to. Thanks
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