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09-08-2020, 08:59 AM | #21 |
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Join Date: Dec 2012
Location: Anchorage Alaska
Posts: 291
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Re: Do you think a sleeve will fix this?
We have sleeved many blocks with similar cracks. As long as the crack does not go all the way to the bottom seating area, or out the top, I would go for it. We would use Loctite sleeve sealer on that one and usually shoot for .0025 press. Only one that I know of in 30 years seeped.
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09-08-2020, 09:58 AM | #22 |
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Join Date: Apr 2013
Posts: 4
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Re: Do you think a sleeve will fix this?
Can you use 1/8" thick wall sleeves, or do you need thicker walls if you onely have a good press fit on the top and bottom? It seems to me that the "wet" part of the cylinder would offer little support because of the crack. i think i can use same method on my block, so any info would be great. Thank`s
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09-08-2020, 10:30 AM | #23 |
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Join Date: May 2010
Location: Solihull, England.
Posts: 8,750
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Re: Do you think a sleeve will fix this?
Ok guys, thanks for all the interest.
I've just come in from the garage. I've brazed it up. I figure if it doesn't hold completely along the crack it's still better than the open crack all the way up. I'll finish the bore for the liner later and see how it looks. I'm not building a racing engine, just something that will putt about. The sleeves are .125 wall. Mellings. Fingers crossed lads, lets see where this journey takes me. Mart. |
09-08-2020, 10:48 AM | #24 |
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Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
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Re: Do you think a sleeve will fix this?
Mart, you did drill the ends of the crack before you brazed it?
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09-08-2020, 10:50 AM | #25 |
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Join Date: May 2010
Location: Solihull, England.
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Re: Do you think a sleeve will fix this?
Not exactly. I attacked it with a die grinder and went through at or near both ends.
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09-08-2020, 10:54 AM | #26 |
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Join Date: May 2010
Location: Springboro. Ohio
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Re: Do you think a sleeve will fix this?
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09-08-2020, 10:58 AM | #27 |
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Join Date: Nov 2012
Location: Wichita KS
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Re: Do you think a sleeve will fix this?
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09-08-2020, 11:17 AM | #28 |
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Join Date: Feb 2020
Location: Hayward,CA
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Re: Do you think a sleeve will fix this?
What is a 59 Flatty?
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09-08-2020, 11:28 AM | #29 |
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Join Date: Nov 2012
Location: Wichita KS
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Re: Do you think a sleeve will fix this?
A 59 series flathead Ford engine and/or engine block.
From a post by Nate Cooper: The 59 series blocks had better quality casting control than earlier blocks. This decreased the number of blocks with excessive core shifts. The following boring limitations are what I use for engines intended for the street. The 59 series blocks came in ‘46-’48 Ford and Merc’s. There aren’t any differences between Ford and Merc blocks during these years. All came with replaceable hard valve seats. There were eight different engine designations to my limited knowledge: 59, 59A, 59AB, 59L, 59X, 59Y, 59Z, and 59ERP. The 59, 59A, and 59AB usually had no factory relief. These are the softest castings of the 59 series blocks. These will almost always bore to 3-3/8″ and still have adequate wall thickness left for street use. These were the most common blocks produced….. which is why they’re also the most common blocks still around today. The raised 59 number and letter (if used) are located on the top of the bell housing. Not sure the 46-48 year span is totally correct, I have a 59ab that came out of a 49 Truck. |
09-08-2020, 11:36 AM | #30 |
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Join Date: Jun 2010
Location: Marana, AZ
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Re: Do you think a sleeve will fix this?
I'm really ignorant here on block cracks....had the machine shop drill, pin, weld, and sleeve the only cracked block I've owned...so far!!
And not that it really matters, but I can't help wondering if that weakness in Mart's cylinder was there from the start and pounding the piston out brought it out through the bore? Would have thought the cylinder wall would have had more solid "meat" in it given the stress that goes on in that part of an operating engine. Should have been able to withstand pounding out a part that normally goes up and down!! |
09-08-2020, 12:45 PM | #31 | |
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Location: Oshkosh, Wi
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Re: Do you think a sleeve will fix this?
Quote:
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09-08-2020, 01:02 PM | #32 |
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Join Date: Dec 2014
Location: Columbus, IN
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Re: Do you think a sleeve will fix this?
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09-08-2020, 04:43 PM | #33 |
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Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,431
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Re: Do you think a sleeve will fix this?
Some of that 59 series info is mixed with wives tales. Casting technology didn't change much before, during, or after the war when it comes to the Ford V8 engines. Ford cast 239 V8 engines during the war too for the T-16 carrier so they likely updated the cores a bit for the 59 series right after that. They also made the 41A 221 block but many of them also have the 59 on the back bell. I don't think anyone has ever proven a change in cast iron formula. As far as I know the 8BA blocks had the same formula. Nodular cast iron came after the 8BA era.
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09-08-2020, 05:58 PM | #34 | |
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Re: Do you think a sleeve will fix this?
Quote:
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09-08-2020, 06:45 PM | #35 | |
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Re: Do you think a sleeve will fix this?
Quote:
Thanks very much!! |
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