mcg
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| posted on 6/11/10 at 09:25 PM |
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Crack in Type 9 Box Casing-Help!
Hi - a good day today getting the exhaust run sorted as well as steering column.....and then, just before leaving, had another look at the leak from
the gearbox...(bad idea to do that at the end of a good day)
Noticed that there is some sort of glue (looks like araldite) on the casing just below one of the bolts...my father in law thinks that it is a crack
that has previously been (attempted to be) repaired.
So, it looks like I am dealing with a cracked casing. Its the diff half of the box. (Not the engine end) I have not been able to inspect it properly
yet, but if worst fears are confirmed and it is a crack, how should I resolve the little f'er?
Things I have managed to read online so far are:
-Weld
-Gasget weld / glue or similar
-Replace whole thing / replace that part of the casing
Each of these so I read require taking it apart to be able clean properly and de-grease.
Cost is a major factor for me and it is a bit of a ball ache to get the box in and out -either way I should probably get it sorted now!
Help!!
Thanks in advance.
Matt
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big_wasa
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| posted on 6/11/10 at 09:32 PM |
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I would swap box, its not going to get better and if glue didnt work the first time its not going to the second. Its not what you want to hear but you
know its best...
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trextr7monkey
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| posted on 6/11/10 at 09:43 PM |
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Get another identical box and sell that one on as spare repairs, someone with a shagged gearbox but decent case will buy it and off set the cost.
We have a local engineering shop who do the tricky welds on cast for us with great success- steering arms etc so prob worth finding your local
equivalent and getting a guesstimate, unless someone on here can help.
Mike
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Ben_Copeland
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| posted on 6/11/10 at 10:19 PM |
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Have a chat with a local gearbox specialist... preferably one that does alloy castings for type 9's.. they'll have the original castings
lying around probably.
Ben
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Chippy
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| posted on 6/11/10 at 11:35 PM |
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A picture of exactly what part is , (maybe), cracked would be really good. If it where the alloy extension fits to the cast iron section then you may
be able to repair it with JB Weld, I have had some success with this product on several items. But as I said without a picture its all guess work.
Cheers Ray
To make a car go faster, just add lightness. Colin Chapman - OR - fit a bigger engine. Chippy
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snapper
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| posted on 7/11/10 at 05:24 AM |
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Welding cast is difficult and requires heating the cast bit very hot.
Brazing would require heat and a very clean crack so you would have to strip and clean.
There are some crack filling products but again clean it first.
For the sake of £50 to £75 I would replace it.
If you realy have to repair what you have then Rally Design have a cast ally bare box for £147 + VAT
I eat to survive
I drink to forget
I breath to pi55 my ex wife off (and now my ex partner)
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mcg
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| posted on 7/11/10 at 02:30 PM |
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Okeydokie- great stuff - thanks for the ideas. I will get into the gearbox and get a pic once I can find a pair of hands to help get the box out.
Probably look out for a wanted post on here soon!
Cheers. Enjoy the F1. Brazil has been heart in mouth stuff for the last 2 years!
Matt
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