neilp1
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| posted on 11/1/11 at 03:55 PM |
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Diff and drive shafts
Well after a sh*t day finishing stripping the sierra, it has gone from bad to worse. I stripped the back end (diff drive shafts) only to find out that
the diff is actually a 7.5" diff and wont fit my avon chassis. I'm not prepared to alter the chassis as it is powder coated.
What are my options, can I buy a 7" diff and still use the drive shafts from the 7.5" diff or are they different lengths?
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loggyboy
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| posted on 11/1/11 at 04:12 PM |
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Didnt think sierras had 7.5 inchers, only granads and cossies?
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mcerd1
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| posted on 11/1/11 at 04:47 PM |
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sorry don't know about the shaft lengths - but I have got a spare set from granda with 7" diff (bolt-on type and they are missing 2 of the
CV's)
quote:
Originally posted by loggyboy
Didnt think sierras had 7.5 inchers, only granads and cossies?
sierra's can have them too 
mostly in later models, alot of the DOHC sierra's have 7.5" diff.....
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coozer
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| posted on 11/1/11 at 05:03 PM |
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I have spare 7" drive shafts, I'll bring them across and see if they fit.
1972 V8 Jago
1980 Z750
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big_wasa
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| posted on 11/1/11 at 06:08 PM |
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Yes the last of the Twink sierras where fitted with a 7 1/2" diff in both Lobro and push in.
Ive measured them as being the same width so if the splines are the same they should work.
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neilp1
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| posted on 11/1/11 at 07:47 PM |
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quote:
Originally posted by big_wasa
Yes the last of the Twink sierras where fitted with a 7 1/2" diff in both Lobro and push in.
Ive measured them as being the same width so if the splines are the same they should work.
As in splines do you mean on the push in shaft? I have the bolt on type.
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mcerd1
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| posted on 13/1/11 at 07:15 PM |
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quote:
Originally posted by neilp1
As in splines do you mean on the push in shaft? I have the bolt on type.
in that case don't worry about the splines - measure the outside diamiter of the CV joint instead
as long as they are the smaller size on the diff you've got now then they are the same as the 7" ones  (most 7.5" diffs have the
same size as the 7" )
i'll check the size of mine later on to compare them
[Edited on 13/1/2011 by mcerd1]
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