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Ford 9N, 2N & 8N Discussion Forum
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furnace brazing process for cracked block

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Hobo,NC

03-07-2005 17:56:44




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furnace brazing process for a cracked block this is a new one on me I went to the Ferguson board and looked up cracked block for a TO30 and this is the recomended process to repair a cracked block between the cylinders enny one know were i kin git this done. Looks like i may be the new owner of this Nice TO30 with a howard reduction gear.




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Hobo,NC

03-08-2005 16:48:04




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 Re: furnace brazing process for cracked block in reply to Hobo,NC, 03-07-2005 17:56:44  
I am in the market for a good block



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Gaspump

03-08-2005 12:18:38




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 Re: furnace brazing process for cracked block in reply to Hobo,NC, 03-07-2005 17:56:44  
Anyone needing heads or blocks welded can contact Columbus Col-Weld in OH. They were the industry leaders in repair welding of large marine and stationary engine repairs. Not likely that an N block would be worth welding with 2-way shipping costs, repair costs etc but phone is (614) 276-5303.



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Dan S (NY)

03-08-2005 09:21:43




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 Re: furnace brazing process for cracked block in reply to Hobo,NC, 03-07-2005 17:56:44  
You can also have the block pinned if its just cracks between some of the cylinders. I don't know if you have heard of this or not, but I have seen where a hole is drilled through the block above the crack and a bolt put through and tightened, pulling the crack together. Definitely a cheaper option that works. Also, if the cracks are only at the top of the block, a little sealer and a good head gasket is sometimes all it takes.

Dan

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Hoot

03-08-2005 08:59:56




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 Re: furnace brazing process for cracked block in reply to Hobo,NC, 03-07-2005 17:56:44  
I had this done recently to the block of a MM UTS.
It was done in the Spokane Washington area. Probably cost more than finding a new block though. Seems like it was about $400 I could get the contact info for you if you want.



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Matt L

03-22-2005 23:58:25




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 Re: furnace brazing process for cracked block in reply to Hoot, 03-08-2005 08:59:56  
Where in Spokane does the furnace brazing?



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Hobo,NC

03-08-2005 09:02:19




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 Re: furnace brazing process for cracked block in reply to Hoot, 03-08-2005 08:59:56  
Thanks Hoot but I don't wanna spend that much on the block, 200 maybe but not 400



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Bob - MI

03-08-2005 05:14:37




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 Re: furnace brazing process for cracked block in reply to Hobo,NC, 03-07-2005 17:56:44  
Hobo,

About 3~4 months ago there was a bit of chatter about furnace brazing over on the Tractor Talk board. One of the guys was in the process of getting one done and I believe that he posted the name/address of the processor. An archive search may find the contact info. I read it with some interest as I am always intrigued with some of the high-tech solutions that are employed to keep things running.

If that fails, you may want to do an internet search for either furnace brazing or vacuum brazing. High temperature aircraft engine parts are often joined by this process and your search may take you into that territory.

Best of luck

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ZANE

03-07-2005 18:49:07




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 Re: furnace brazing process for cracked block in reply to Hobo,NC, 03-07-2005 17:56:44  
When I was a young man the 100 HP flat head Ford cars were the rage aound here but they have a big drawback in that the blocks crack easily. I have always thought that the engine design was flawed in that there is too much exhaust heat concentrated between the cylinders where the exhaust goes between them from the center of the engine valves.

There was a man named Conn who operated a welding shop in Sylacauga Alabama who made quite a name for himself by coming up with a process of cooking the bare engine block of flat head Fords that had cracked and then brazing them while they were hot out of the oven. I never knew the exact process and nobody else did because he guarded his secret process religously. The brass brazing most always held up for at least as long as the original block did after he patched it up. This man make a small forturne in his lifetime and the brazing technique he developed is what got him his start in business. His sons now have concrete plants all around the state and crane services of all kinds and sizes. When Mr. Conn died he was worth a lot of money and he and his wife had toured the country in a side car Harley Davidson motorcycle a lot.

Zane

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Russ in SoCal

03-07-2005 18:09:15




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 Michigan school in reply to Hobo,NC, 03-07-2005 17:56:44  
Anybody in Michigan want to check this out. The 248 area code is around Pontiac.
Russ



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DUCK

03-08-2005 01:00:38




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 Re: Michigan school in reply to Russ in SoCal, 03-07-2005 18:09:15  
This place is located about 15+ miles North of Detroit (due North on 53 to 18 mile road).



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Tymoc

03-08-2005 05:40:42




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 Re: Michigan school in reply to DUCK, 03-08-2005 01:00:38  
I don't know about the school but I checked out its web page and the address is Dayton Ohio. About 50 miles south of me. I may investigate more and see if they do small jobs and what costs are.



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Russ in SoCal

03-08-2005 10:16:51




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 Re: Michigan school in reply to Tymoc, 03-08-2005 05:40:42  
Tymoc,
They got places all over. I went by the area code of the phone number they listed. My supersonic jet-pack is broke, so I won"t be able to go.
Russ



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