[AT] Ferguson to30 cracked block

charlie hill chill8 at suddenlink.net
Thu Apr 3 10:16:50 PDT 2008


I think I was just returning the favor Larry.  I believe you might have 
posted that link years ago when I asked about it.  Luckily I found the 
bookmark in my favorites file.

Charlie
----- Original Message ----- 
From: "Larry & Barb Dotson" <dotson at loganrec.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Thursday, April 03, 2008 11:29 AM
Subject: Re: [AT] Ferguson to30 cracked block


> Charlie,
> Thanks for posting the link. I forgot than there was an N between the lock
> and stitch. I bought a small kit and have made some repairs with it. Many
> engine blocks are scraped each year that could be repaired this way. Look
> through their examlpes that they have repaired and you will appreciate the
> value of this method.
> Larry
>
>
> ----- Original Message ----- 
> From: "charlie hill" <chill8 at suddenlink.net>
> To: "Antique tractor email discussion group" 
> <at at lists.antique-tractor.com>
> Sent: Thursday, April 03, 2008 8:41 AM
> Subject: Re: [AT] Ferguson to30 cracked block
>
>
>> Here is a link to the lock stitch repair that Larry is talking about.
>> http://www.locknstitch.com/Metal_Stitching.htm
>> I haven't tried it but a local machine shop guy here (now retired) used 
>> to
>> fix blocks and heads with soft cast iron pegs that he hammered into holes
>> he
>> drilled along the crack.  The locknstitch method looks like it might be
>> superior to that.
>>
>> Charlie
>> ----- Original Message ----- 
>> From: "Larry & Barb Dotson" <dotson at loganrec.com>
>> To: "Antique tractor email discussion group"
>> <at at lists.antique-tractor.com>
>> Sent: Thursday, April 03, 2008 6:38 AM
>> Subject: Re: [AT] Ferguson to30 cracked block
>>
>>
>>> John
>>> There is a system called "Lock Stitch" that uses a reverse pitch thread
>>> that
>>> when screwed into a crack. will pull the two halves together. A series 
>>> of
>>> drilled and tapped (special tap) holes are then filled with a special
>>> shouldered reverse pitch screw which is designed to break off when fully
>>> tightened leaving a slight rise than can be ground down even with the
>>> original surface. Once the surface is back to normal, a needle scaler is
>>> used to resemble the rough casting of an engine block. This system is
>>> used
>>> on some very large and expensive engines such as large ships where a new
>>> engine may cost in the millions. You should be able to Google for the
>>> source.
>>> Larry Dotson
>>>
>>>
>>> ----- Original Message ----- 
>>> From: "John Hall" <jthall at worldnet.att.net>
>>> To: "Antique tractor email discussion group"
>>> <at at lists.antique-tractor.com>
>>> Sent: Wednesday, April 02, 2008 9:53 PM
>>> Subject: [AT] Ferguson to30 cracked block
>>>
>>>
>>>> Pulled down a TO30 for a friend and found the block cracked between #3
>>>> and
>>>> 4 on teh lower end. Is there any sort of daring repair on these blocks
>>>> or
>>>> is
>>>> it time to junk it? I have heard of one adventerous sole drilling
>>>> between
>>>> the cylinders and pulling the block back together with a threaded rod.
>>>> Any
>>>> ideas short of a salvage yard?
>>>>
>>>> John
>>>>
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