[AT] Farmall C123 block cracks

[Mark Greer]

Devcon is the top of the line industrial epoxy.
Mark


----- Original Message -----
Grant go online and look at Lock and Stitch repair of cast iron.   Also, 
it's hard to tell without seeing what you have so I won't comment on the 
life of your
block but I'll tell you this.  I worked for a guy in the 70's that had 
trucks with 8V71 Detroit diesels in them.  One of them threw a rod through 
the side of the
block and knocked a hole the size of a grapefruit through it.  They repaired 
it with screen wire and epoxy that a guy got from the local DuPont plant. 
That was
before the days of JB Weld.  The truck was put back together and that engine 
ran another 100,000 miles or so that I know of before the truck was 
eventually wrecked.  I like JB Weld fine but there are some stronger epoxy 
compounds out there.  Right off hand I can't tell you the name of one but I 
know they exist.
If you don't care about the appearance of that block, drill the ends of the 
cracks and V it out like others suggested.   Then grind or sand the block 
down for a couple of inches around the crack.  Fill the v'd out crack, then 
put a layer over the sanded area and imbed a piece of screen wire mesh or 
fiberglass cloth in it
and put another layer of epoxy on top.  That will add some strength to the 
block around the crack.

Charlie

-----Original Message----- 
From: Grant Brians
Sent: Tuesday, July 24, 2012 7:08 PM
To: Antique tractor email discussion group
Subject: Re: [AT] Farmall C123 block cracks

Well, I suspect I will need to either strengthen or replace this block.
There are parallel cracks on both sides of the block for a total of 3 cracks
that are each over 9 inches long in the horizontal area in the water jacket
above the crankcase.... I hope that all will work fine. Once again I think I
could use a parts tractor, sigh.
         Grant Brians
         Hollister,California vegetable farmer

-----Original Message-----
From: at-bounces at lists.antique-tractor.com
[mailto:at-bounces at lists.antique-tractor.com]On Behalf Of Ben Wagner
Sent: Monday, July 23, 2012 5:45 PM
To: Antique tractor email discussion group
Subject: Re: [AT] Farmall C123 block cracks


Grant, I did a similar job with that wonderful JB Weld on my A (C-113).
It has held for about a year now with no leaks; it was about 2 inches
long under the carburetor, a weak spot in the block from what I hear.

How long were your leaks?

Ben Wagner


On 7/23/2012 8:25 PM, Grant Brians wrote:
> I think this tractor is ok, just JBweld the water jacket cracks. It is on
a
> Farmall 100. The concern is if there is enough strength front to back to
> avaoid re-cracking. Any thoughts?
>               Grant Brians
>               Hollister,California vegetable farmer
>
> _______________________________________________
> AT mailing list
> http://www.antique-tractor.com/mailman/listinfo/at


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