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JB Weld

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Dusty B
10+ Years
10+ Years
Posts: 1880
Joined: Wed May 23, 2007 7:35 am
Zip Code: 61736
Tractors Owned: '45 SC Case
Circle of Safety: Y
Location: IL, Downs

JB Weld

Postby Dusty B » Sat Aug 06, 2022 1:53 pm

Will JB Weld adhere to brass?? Have a cracked block that has been repaired by brazing - it is beginning yo seep anti-freeze. thinking of draining, sanding to get a clean base then applying thin layer of JB Weld! Open to other options?? Has held for 30 years so not really a panic situation! lol
Grandpa's '41 B
'56,,'57,'59, Cu'b
'45 C
'55 Case S
Dad's DB garden tractor
'48 DeSoto
'31 "A Coup
'79 Lincoln TC
God looks out for those of us who don't know how to look out for ourselves!
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staninlowerAL
10+ Years
10+ Years
Posts: 4993
Joined: Fri Oct 29, 2010 11:34 pm
Zip Code: 36558
Tractors Owned: Cubs: (3)'49's, (1 is for parts), (1)'57 IH Cub LoBoy w/FH, (2)154 Number Series Loboys, (1 is for parts), '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '47 & '49 Avery V, '53 MM BG (offset), '51 JD M (regular), '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76? Yanmar 2TR15 1500 & Bush Hog SQ42S-2 mower, '78? FORD Dexta, '86 FORD LGT14D & 48" Mower, (2)Cub Cadets & Mowers (MTD), (4) Sears Surburban's, other MTD mowers, Jeeps & other misc. "treasures"
Circle of Safety: Y
Location: AL (Southwest)

Re: JB Weld

Postby staninlowerAL » Sat Aug 06, 2022 1:58 pm

Dusty B, I think I have read of someone who has had success with this method of repair. The chances of success would be better if the cooling system was run at atmospheric pressure as opposed to a pressurized system IMHO.
EDIT: Here's a link to the post that I remembered: viewtopic.php?f=177&t=111487&hilit=JB+Weld+on+a+crack+block
Stan in LA (lower AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)
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JimCub48
5+ Years
5+ Years
Posts: 213
Joined: Mon Feb 09, 2015 2:57 pm
Zip Code: 56377

Re: JB Weld

Postby JimCub48 » Sat Aug 06, 2022 2:06 pm

I have used JB weld on a brass water valve with a pin hole leak, sanded it , dried it good applied Jb weld and let it cure , still holding after many years of use, 55 plus lbs. water pressure.
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coppersmythe
10+ Years
10+ Years
Posts: 1655
Joined: Thu Dec 24, 2009 9:19 am
Zip Code: 00000
Tractors Owned: '48 trimmed dash high crop cub , '78 3/4 cub , lo-boy/59 mower , '64 "galvanized" cub , cub-6 toolbar , sicklebar mowers , 54 blade , plow , mott mower , early belly mower . . international 1010 pickup with 345ci v-8 .
Circle of Safety: Y
Location: louisiana

Re: JB Weld

Postby coppersmythe » Sat Aug 06, 2022 9:08 pm

good evening from the deep south . i've had good luck , just clean and degrease well . coppersmythe............................
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john2189
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10+ Years
Posts: 1776
Joined: Thu Oct 26, 2006 7:17 pm
Zip Code: 44657
Circle of Safety: Y
Location: Minerva,Ohio

Re: JB Weld

Postby john2189 » Sat Aug 06, 2022 9:22 pm

Rtv silicone works well
'49 Cub (Vince)
'41 allis B with Woods L59 mower
656 Wheel Horse with 42” sickle mower
C-165 Wheel Horse
Simplicity 20 HP Sunstar
Honda 48” walk behind mower
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User avatar
Dusty B
10+ Years
10+ Years
Posts: 1880
Joined: Wed May 23, 2007 7:35 am
Zip Code: 61736
Tractors Owned: '45 SC Case
Circle of Safety: Y
Location: IL, Downs

Re: JB Weld

Postby Dusty B » Sun Aug 07, 2022 7:31 pm

Thanks everyone - added to my project list!! lol!
Grandpa's '41 B
'56,,'57,'59, Cu'b
'45 C
'55 Case S
Dad's DB garden tractor
'48 DeSoto
'31 "A Coup
'79 Lincoln TC
God looks out for those of us who don't know how to look out for ourselves!
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Clemsonfor
501 Club
501 Club
Posts: 1118
Joined: Sun Nov 10, 2019 5:14 pm
Zip Code: 29848
Tractors Owned: Yanmar YM2000
Yanmar YM186 (non running)
1952 Farmall Cub
Circle of Safety: Y
Location: Greenwood County SC

Re: JB Weld

Postby Clemsonfor » Mon Aug 08, 2022 4:39 pm

I would be willing to bet you clean it brought it up a bit you will have no problem adhering to the brass. Just get all oils dirt or corrosion/tarnish off.
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IHPWR
Posts: 29
Joined: Tue Jul 06, 2021 7:36 am
Zip Code: 62684
Circle of Safety: Y

Re: JB Weld

Postby IHPWR » Mon Aug 08, 2022 5:20 pm

just jb welded overflow tube back on radiator neck. Worked well.
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