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Vw1600dellortoGR
Samba Member
Joined: May 01, 2012
Posts: 267
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 Posted: Mon Oct 19, 2020 6:11 pm Post subject: Coroded as21 case |
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Hello everybody,
I have an AS21 case that had a small hole at the sump, when I ground the corrosion in turned into a bigger hole, I ground off all of the corrosion and used JB weld, will it hold, or should I through away the case? |
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Glenn 
Mr. 010
Joined: December 25, 2001
Posts: 79428
Location: Sneaking up behind you
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| Posted: Mon Oct 19, 2020 6:21 pm Post subject: Re: Coroded as21 case |
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Depends on your budget, what size engine you're building and where you're going.
If you're building a "floor sweeper" and staying local.. .sure drive it till it blows.
If you're building a performance engine and gonna drive it long distances... i'd get a new case.
Years ago I tightened the oil sender too much and cracked the case. I used JB Weld and it held for years until the case cracked at #3 behind the flywheel.
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Glenn
74 Beetle Specs | 74 Beetle Restoration | 2180cc Engine
"You may not get what you pay for, but you always pay for what you get"
Member #1009
#BlueSquare
עַם יִשְׂרָאֵל חַי |
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Danwvw
Samba Member
Joined: July 31, 2012
Posts: 8895
Location: Oregon Coast
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| Posted: Mon Oct 19, 2020 6:31 pm Post subject: Re: Coroded as21 case |
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There are some epoxy products that are for machining and using on engine blocks. JB weld is a bit runny and I would want something that had wire mesh in it. Needs to withstand 300 degrees.
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1960 Beetle And 1679cc DP W-100 & Dual Zeniths! |
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Chickensoup
Samba Member
Joined: January 06, 2018
Posts: 5395
Location: Good Hope, GA
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| Posted: Mon Oct 19, 2020 6:47 pm Post subject: Re: Coroded as21 case |
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yeah, i know where your comming from buddy,
i too have a virgin as21 case. the water destroid the poor thing.
i have another case that has a crater of corrosion in the sump area. not all the way through, but close enough to make you worry. so i will be watching as well. i guess you just need something that wont start to disolve or degrade.
i would try to save it if you can. got a pic 4 us?
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-'85 c10 5.3 LS, cam, heads, long tubes, x pipe, 3 inch spin tech's
-'01 e46 325ci *tree modded 
-'05 B5.5 TDI Wagon 17in sport rims ;EGR + BSM + ASV Delete, Stage-2 Tune, straight pipe
'65 Tourist Delivery Build
'66 RIP |
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Chickensoup
Samba Member
Joined: January 06, 2018
Posts: 5395
Location: Good Hope, GA
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Chickensoup
Samba Member
Joined: January 06, 2018
Posts: 5395
Location: Good Hope, GA
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nsracing
Samba Member
Joined: November 16, 2003
Posts: 9737
Location: NOVA
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| Posted: Tue Oct 20, 2020 8:15 pm Post subject: Re: Coroded as21 case |
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you just cannot save them all. 
breaks your heart every time to see a case go die on you. |
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