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#2419519 - 12/16/17 02:09 PM I hope this can be fixed but probably not:
hudsonhornet7x Offline
super stock

Registered: 01/14/12
Posts: 999
Loc: Plumer, Pa
Got a cast iron block, new. It dropped the other day and broke a cylinder head mount hole. Is there any way this can be fixed or do I have a large paperweight now? The pic is not my block but I have circled the area that broke. I do have the piece that came off, broke right down the middle of where the cylinder head bolt would go.

Thanks for any advice.


Attachments
hemi_57_engine3.jpg


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#2419545 - 12/16/17 03:02 PM Re: I hope this can be fixed but probably not: [Re: hudsonhornet7x]
ric3xrt Offline
super stock

Registered: 01/13/06
Posts: 839
Loc: Sellersville Pa
What's the build?
That spot that you have circled , only has coolant pressure to deal with .I my self am crazy enough to JB weld the broken piece re tap it and roll the dice.....If it were an engine I was building for someone else, I wouldn't take the chance.
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#2419653 - 12/16/17 08:24 PM Re: I hope this can be fixed but probably not: [Re: ric3xrt]
sixpackgut Offline
Drag Week Mod Champion

Registered: 06/08/03
Posts: 9034
Loc: Charleston
I have cast iron plates for my press. Someone was using my press and broke one!!! I mig welded it. Its been holding up fine but I think a machine shop can fix it
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#2419678 - 12/16/17 09:37 PM Re: I hope this can be fixed but probably not: [Re: hudsonhornet7x]
EchoSixMike Offline
enthusiast

Registered: 07/08/09
Posts: 392
Loc: IL
Have it brazed, no big deal. S/F...Ken M

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#2419679 - 12/16/17 09:38 PM Re: I hope this can be fixed but probably not: [Re: ric3xrt]
GoodysGotaCuda Offline
5.7L Hemi, 6spd

Registered: 11/23/04
Posts: 24048
Loc: Texas
Originally Posted By ric3xrt
What's the build?
That spot that you have circled , only has coolant pressure to deal with .I my self am crazy enough to JB weld the broken piece re tap it and roll the dice.....If it were an engine I was building for someone else, I wouldn't take the chance.


Agreed, I'd try to make something work there. Just make sure it's flat without messing up any other sealing surfaces. The M8[?] bolt torque there is fairly low.
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#2420542 - 12/18/17 04:22 PM Re: I hope this can be fixed but probably not: [Re: GoodysGotaCuda]
dogdays Offline
I Live Here

Registered: 01/20/03
Posts: 15926
It is a relatively meaningless bolt. It's not involved in locking cylinder pressure in, so I'm with the crowd that says "braze it". Get with a pro. I think it's really called furnace brazing, what I'm thinking of.

R.

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#2420611 - 12/18/17 06:18 PM Re: I hope this can be fixed but probably not: [Re: ric3xrt]
ric3xrt Offline
super stock

Registered: 01/13/06
Posts: 839
Loc: Sellersville Pa
Originally Posted By ric3xrt
What's the build?
That spot that you have circled , only has coolant pressure to deal with .I my self am crazy enough to JB weld the broken piece re tap it and roll the dice.....If it were an engine I was building for someone else, I wouldn't take the chance, I would have it brazed




I edited this because I thought I finished my thought,

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#2421963 - 12/21/17 03:40 PM Re: I hope this can be fixed but probably not: [Re: hudsonhornet7x]
Medlock51 Offline
member

Registered: 06/15/16
Posts: 142
Loc: Wisconsin
Get it welded...

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#2422532 - 12/22/17 10:10 PM Re: I hope this can be fixed but probably not: [Re: hudsonhornet7x]
EchoSixMike Offline
enthusiast

Registered: 07/08/09
Posts: 392
Loc: IL
Welding cast iron often generates more problems than it fixes, unless you have competent professionals do it, and they charge for it. Call a diesel repair shop and get an estimate. Not some back alley hatchet shop either, a decent Cummins/Cat/Inland Diesel etc shop.

Like I said, get it brazed, generally a phosphor bronze process, it'll be plenty strong and won't have a bunch of hardness/induced stress issues like if someone hacked at arc welding it with nickel rod. S/F....Ken M

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#2422993 - 12/24/17 12:39 AM Re: I hope this can be fixed but probably not: [Re: hudsonhornet7x]
5280Dart Offline
super stock

Registered: 01/20/03
Posts: 1086
Loc: tri-cities Washington/Denver, ...
Another possible solution

http://www.locknstitch.com/index.html
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#2423902 - 12/26/17 11:23 AM Re: I hope this can be fixed but probably not: [Re: hudsonhornet7x]
Medlock51 Offline
member

Registered: 06/15/16
Posts: 142
Loc: Wisconsin
It can be spray welded... and there are special rods that can be used. Dirty casting are common with cast iron but thet Hemi shouldnt have that problem.

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#2423911 - 12/26/17 11:45 AM Re: I hope this can be fixed but probably not: [Re: hudsonhornet7x]
Medlock51 Offline
member

Registered: 06/15/16
Posts: 142
Loc: Wisconsin

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#2423931 - 12/26/17 12:41 PM Re: I hope this can be fixed but probably not: [Re: hudsonhornet7x]
hudsonhornet7x Offline
super stock

Registered: 01/14/12
Posts: 999
Loc: Plumer, Pa
Thank you all for the replies and advice. Since the block is brand new I am excited at the prospect that it can be fixed. I will keep you all updated on the repair.
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#2429888 - 01/06/18 10:38 AM Re: I hope this can be fixed but probably not: [Re: hudsonhornet7x]
justinp61 Offline
master

Registered: 10/01/03
Posts: 9235
Loc: W. Kentucky
Talk to your welder about tig brazing with aluminum bronze filler rod.

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