Benzine
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 posted on 26/7/04 at 06:43 PM |
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Fitting rear diff
So i went to fit my rear diff today and its too wide at the top by 16mm. The bottom bolt that goes all the way through fits fine but the top section
where 2 bolts fit through the braket is too wide. Any solutions? Can the brackets be bent that far (i ask here before actually doing it of course  )
or do i need to get a new bracket done?
Spanks in advance
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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mad-butcher
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| posted on 26/7/04 at 07:03 PM |
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never heard of that one before. which of the sierra range is it off. of what i've heard fords made 2 but the wide one is rare as they where
fitted to the group 2 cosworths . sounds more like some-one has taken a hacksaw to it.. just put a spacer in
tony
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Benzine
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| posted on 26/7/04 at 07:40 PM |
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Ahh what i mean is the bracket is too small and the diff is too wide. Heres a quick diagram (MS Paint rules!)
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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Berwyn
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| posted on 26/7/04 at 08:42 PM |
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sounds like you may have a 7 1/2 inch diff there. The MK chassis will take a 7inch diff. That is a standard non lsd diff, or the 7 inch 4x4 lsd.
Sounds like you may have one of the cosy 7 1/2 jobbies there. Not sure if there is a work around, but search the forum on 7 1/2 inch diff's, you
may find a fix, but i dont hold out much hope.
Think you may be having a trip to the scrappy soon for another diff
have a look at http://www.locostbuilders.co.uk/viewthread.php?tid=9798
[Edited on 26/7/04 by Berwyn]
24 hours in a day, 24 beers in a case. Coincidence? I think not
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mookaloid
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| posted on 26/7/04 at 09:47 PM |
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I had a discussion with MK on this whilst building my car. They can easily modify your chassis to take the wider diff - the only thing is you have to
take it back to them!
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Benzine
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| posted on 27/7/04 at 08:04 AM |
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rats Any other options that don't invlove transporting the chassis and not replacing the diff?
[Edited on 27/7/04 by Benzine]
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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James
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| posted on 27/7/04 at 11:04 AM |
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I don't think there really are any other options- other than cutting out a piece of the diff mount each side and welding on an appropriately
spaced piece on the outside- messy!
Atb,
James
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Hellfire
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| posted on 27/7/04 at 11:29 AM |
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Ben,
could you not swap your diff for a 7" one, from the place you bought it?
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Benzine
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| posted on 27/7/04 at 11:59 AM |
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I didn't buy it, i got it from a donor sierra. What about angle grinding off some of the top section where one of the 2 bolts goes into? It
overhangs and theres enough to take off to make it fit, just wondering about the thread left afterwards
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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James
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| posted on 27/7/04 at 03:44 PM |
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Looking at this picture of my diff:
http://www.locostbuilders.co.uk/photos.php?action=showphoto&photo=silver_diff.jpg
Are you sure that the mounts have enough 'meat' to warrant losing 8mm off each side? Also, even if you remove that material will you be
able to fit it in even then? I imaging there may be clearance issues with the body of the diff.
Cheers,
James
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Benzine
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| posted on 27/7/04 at 05:27 PM |
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quote:
Originally posted by James
Looking at this picture of my diff:
http://www.locostbuilders.co.uk/photos.php?action=showphoto&photo=silver_diff.jpg
Are you sure that the mounts have enough 'meat' to warrant losing 8mm off each side? Also, even if you remove that material will you be
able to fit it in even then? I imaging there may be clearance issues with the body of the diff.
Cheers,
James
The right hand bracket is already lined up fine, its just the left hand one so if i did angle grind off some of the diff i doubt allignment would be
an issue if that makes any sence
The mental gymnastics a landlord will employ to justify immoral actions is clinically fascinating. Just because something is legal doesn't make
it moral.
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SteveH
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| posted on 27/7/04 at 10:54 PM |
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I'm sure I've read about it being possible to "Slim down" the 7.5" diff to fit in place of a 7" one.....
Try asking the Ford Sieera Owners Club, here:-
http://callumw.com/fsocforum/viewforum.php?f=22
There a nice bunch & don't bite 
If you can shave it down to fit they will know.
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James
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| posted on 28/7/04 at 02:06 PM |
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quote:
Originally posted by Benzine
The right hand bracket is already lined up fine, its just the left hand one so if i did angle grind off some of the diff i doubt allignment would be
an issue if that makes any sence
So the extra 1/2" isn't in the 'centre' of the diff casing then? It's just wider off to one side is it? Ok, well guess
you can just take 1/2" off one side then! 
Why not just get the 7" diff from a 4x4 then- you'll get an LSD then!
Atb,
James
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