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Is this fixable, or not?

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smithy68 Wolfsburg Wizard

419 posts · joined Oct 2010 ·

#827865
Hi I was given this case recently as shown in photo, where the crank bearing sits there is damage can this be machined/fixed or throw it in bin?

smithy68 Wolfsburg Wizard

419 posts · joined Oct 2010 ·

#827898
Thats amazing but how many shops would know about this?

donn Wolfsburg Elder

3,515 posts · joined Nov 2005 ·

#827969
DIY
I dream of a day when a chicken can cross a road without being asked for it's motive!

smithy68 Wolfsburg Wizard

419 posts · joined Oct 2010 ·

#827971
I can't fix the case I need to know if a machine shop can fix this.

66brm Seriously Crusin Dubber

140 posts · joined Nov 2009 ·

#828002
Best off take it to a VW machine shop and let them look at it, in my opinion I wouldn't risk it, that hole retains the locating pin for the main bearing, its a recipe for a spun bearing.

ragged Just ask if you need HELP!

478 posts · joined Jan 2005 ·

#828003
What type of case? early or late twin relief valve? whats the engine code? I'm not a machinist, but happy to look at it and do a few measurements for you. But it doesn't look good.
Dave

smithy68 Wolfsburg Wizard

419 posts · joined Oct 2010 ·

#828004
Hi Dave, thanks it an AS21 duel relief case engine code is AS21 29 VW 043 101.102 J and engine number is AJ 066170

vlad01 Compulsive Aussie Vee Dubber

4,270 posts · joined Jun 2010 ·

#828006
what are we looking at, the line bore?

recycle it👎

71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE

smithy68 Wolfsburg Wizard

419 posts · joined Oct 2010 ·

#828008
Yea its where the crank bearing would sit, want to know if it can be fixed by a machine shop

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 ·

#828015
Looks too far gone to even ream out and use a step dowel in.

Any history on the block? like how the hell a US engine ended up in aus?

Has it got a fuel pump mount? AJ engines were fuel injected and didnt have the stock fuel pump mount

smithy68 Wolfsburg Wizard

419 posts · joined Oct 2010 ·

#828020
As I said it was given to me by a mate, he does 'nt know anything about it all I know is it had what looks like standard bearings in the case.
No fuel pump mount.
Thanks for your help guys I'll take it to a machine shop tommorow see whait they say.
Pity would have been good I think other wise.

donn Wolfsburg Elder

3,515 posts · joined Nov 2005 ·

#828025
I have used this stuff. It works really well if you get the process right. As the video shows, if you get the process right the welds are very strong. I welded some alloy tubing to alloy plate and then tried to smash the tubing off. I couldn't break the weld, just collapsed the tubing.

But on another project, I obviously didn't do it right and the weld broke. It is also very difficult to weld two different types of alloy together as one might start to bubble (get too hot) while the other is not hot enough to melt the rod. Obviously someone with more experience and skill than myself would be able to do a better job.




Sharpbuilt V2, EJ25, Subaru 5 Speed, Falcon rear discs, Heater & A/C.












speedster356

A.k.a.: Peter Mcleod
Bishop of Volkswagenism
Plastic not Classic Racing





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posted on 24-2-2011 at 02:57 PM









I use a standard oxy / acet set and the correct flux and alluminium rod with great sucess.




Spyder-WISD 07-09-05 11.6s @ 125 MPH

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posted on 24-2-2011 at 02:59 PM












Quote:



Originally posted by ttriebler
Look spretty simple to me....heat up the parent metal so that the aluminium brazing rod melts onto it. I am going to try it on some of my gearbox extensions to fill up weird shaped holes left from shortening them, rather than TIG welding. Watched a bunch of videos on this, looks like the key is in getting the heat into the parent metal. Need to get a nice hot clean flame.




I only have a MAPP gas torch, I would think you would need a oxcy torch to be able to get enough heat into the gearbox housing, but yes, it should work fine for fixing the weird holes !!! :-)




Sharpbuilt V2, EJ25, Subaru 5 Speed, Falcon rear discs, Heater & A/C.
I dream of a day when a chicken can cross a road without being asked for it's motive!

matberry Moderator Go hard or go home

8,114 posts · joined Mar 2006 ·

#828027
👎

I wouldn't use it.
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE

vlad01 Compulsive Aussie Vee Dubber

4,270 posts · joined Jun 2010 ·

#828171
magnesium alloy is very difficult to weld so just chuck it on the fire and you'll get some nice fireworks.

throw some water on it when it burns😀👍 just make sure you wear a few welding masks 😂

71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE

smithy68 Wolfsburg Wizard

419 posts · joined Oct 2010 ·

#828295
If I get it fixed I'll post pics of the finished job, otherwise I'll throw it on the fire 🙂

Joel Now containing 100\% E-Wang

9,368 posts · joined Feb 2006 ·

#828313
If theres nothing else wrong with the block I have heard of guys redrilling to put the dowel in the same spot in the other half of the case.

Not ideal but if it keeps an engine going might be worth a shot.

smithy68 Wolfsburg Wizard

419 posts · joined Oct 2010 ·

#828315
I have just come back from the machine shopt he can fix it for $750.00, I very quiclky ran away and tossed the case in the bin.
Oh well I'll try to get another case.
Thanks for all the help guys.

vlad01 Compulsive Aussie Vee Dubber

4,270 posts · joined Jun 2010 ·

#828386
awww 😢 could of turned it into heaps of heat,light, magnesium oxide and aluminum oxide.

71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE

smithy68 Wolfsburg Wizard

419 posts · joined Oct 2010 ·

#828426
Well vlad01 you were in adelaide I would have given it to you 🙂

Thinker Seriously Crusin Dubber

162 posts · joined Oct 2008 ·

#828457
smithy68 wrote:I have just come back from the machine shopt he can fix it for $750.00, I very quiclky ran away and tossed the case in the bin.
Oh well I'll try to get another case.
Thanks for all the help guys.
at that price he didnt want to do the job and his wish came true when you ran away.
1970 bug /1500 stock as a rock.
1976 standard bug ready to be modified 😁😁😁😁😁