FFTS
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| posted on 9/3/10 at 12:48 PM |
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Are all Freelander diffs the same ratio??
Just asked what ratio one is on ebay and just got a reply saying they are ALL the same. Is this truth speak?
Chris.
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blakep82
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| posted on 9/3/10 at 12:53 PM |
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qui ck search of google can only find mention of 3.21 for the ratio. can't find any other gearing mentioned
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IVA manual link http://www.businesslink.gov.uk/bdotg/action/detail?type=RESOURCES&itemId=1081997083
don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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FFTS
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| posted on 9/3/10 at 12:57 PM |
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quote:
Originally posted by blakep82
qui ck search of google can only find mention of 3.21 for the ratio. can't find any other gearing mentioned
Lovely and if I'm not mistaken, this is a good ratio for BEC's?
Does it directly replace a Sierra diff or are other bits needed?
Chris.
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blakep82
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| posted on 9/3/10 at 01:02 PM |
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a proper engine is the only proper cure 
stole this
quote:
I also want to ask Martin about differentials. The Fury chassis can have either the Sierra or Freelander diffs fitted. There's loads of issues
about this choice:
The Freelander diff is somewhat lighter than the Sierra one.
The ratio of the Freelander diff is ideal for bike-engined cars, not (quite) so for the Sierra diffs.
Neither of the diffs is available as standard with an LSD, at least in the desirable ratio.
Both diffs can have a Quaife ATB LSD fitted, but at a cost of about £500.
http://www.hoverd.org/Tim/Fury/prebuild-body-0312a.html
________________________
IVA manual link http://www.businesslink.gov.uk/bdotg/action/detail?type=RESOURCES&itemId=1081997083
don't write OT on a new thread title, you're creating the topic, everything you write is very much ON topic!
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James
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| posted on 9/3/10 at 01:02 PM |
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quote:
Originally posted by FFTS
quote:
Originally posted by blakep82
qui ck search of google can only find mention of 3.21 for the ratio. can't find any other gearing mentioned
Lovely and if I'm not mistaken, this is a good ratio for BEC's?
Does it directly replace a Sierra diff or are other bits needed?
Do you mean can you just unbolt Sierra and bolt in Freelander?
They have very different mounts, will need different uprights, wishbones etc. etc.
Might be able to cut and shut drive shaft I spose.
Cheers,
James
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"The fight is won or lost far away from witnesses, behind the lines, in the gym and out there on the road, long before I dance under those lights."
- Muhammad Ali
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fesycresy
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| posted on 9/3/10 at 01:12 PM |
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quote:
Originally posted by FFTS
quote:
Originally posted by blakep82
qui ck search of google can only find mention of 3.21 for the ratio. can't find any other gearing mentioned
Lovely and if I'm not mistaken, this is a good ratio for BEC's?
Does it directly replace a Sierra diff or are other bits needed?
Depends what BEC.
Westfield stopped using them because of the failure rate.
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The sooner you fall behind, the more time you'll have to catch up.
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FFTS
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| posted on 9/3/10 at 01:16 PM |
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ZX9R C1
or would this be a direct replacement without the new uprights etc?
Ebay Clicky
[Edited on 9/3/10 by FFTS]
Chris.
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Humbug
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| posted on 9/3/10 at 01:23 PM |
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quote:
Originally posted by FFTS
ZX9R C1
or would this be a direct replacement without the new uprights etc?
Ebay Clicky
[Edited on 9/3/10 by FFTS]
3.1 diff? I haven't heard of that one. Probs 3.14?
[Edited on 09.03.2010 by Humbug]
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locogeoff
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| posted on 9/3/10 at 01:40 PM |
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I was under the impression that freelanders where altered at some early point in the production run with a different rear diff to sort out some of the
problems with the VCU and IRD, however I cannot check the details until I have a look at the Microcat tonight.
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Richard Quinn
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| posted on 9/3/10 at 01:48 PM |
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Swapping to Freelander from Sierra would be quite a job. If that is a 3.14 on ebay then it could be a good option, depending on what you are
after. It'll give you a theoretical higher top end and revs will be lower at motorway speed etc but you will lose out some on acceleration.
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fesycresy
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| posted on 9/3/10 at 02:21 PM |
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I would have kept that link quiet if I were you 
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The sooner you fall behind, the more time you'll have to catch up.
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MK9R
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| posted on 9/3/10 at 02:50 PM |
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Freelander diff ratios are the same for what ever year and what ever engine (L series diesel, petrol, v6, TD4). In 1999/2000 they uprated the main
diff carrier bearings to make them stronger to try and solve the transmission problems, this did naff all as the problems were with the VCU. The
earlier diffs are just as good as the later ones, especially in our little lightweight cars. They are probably 1/2 the weight of the sierra aswell.
Onl;y issue is that if you want LSD you will have to get the hugely expensive quaife internals for the freelander as they never made any LSD ones from
the factory
Cheers Austen
RGB car number 9
www.austengreenway.co.uk
www.automatedtechnologygroup.co.uk
www.trackace.co.uk
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Brommers
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| posted on 9/3/10 at 02:57 PM |
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Yes, all Freelander diffs are 3.21 unless they've been fitted with the custom CWP available from Westfield which gives them a 4.4 ratio.
They're lighter than Sierra diffs but are not a direct bolt-in replacement, although if you get cut'n'shut or custom driveshafts
made up then there's no reason why you should need to change the uprights, hubs or bearings.
You can adapt a Sierra-diff'd car to a Freelander diff by using adaptor plates (that's what Westfield certainly used to do) but
that's just nasty...
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bitsilly
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| posted on 9/3/10 at 04:15 PM |
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Gearboxman.com IIRC will take any 7 inch sierra diff, and change the ratio to what you want, and can also make it LSD but of the viscous type I
think.
I have a brand new freelander diff and a brand new ATB unit to fit to it in my loft. Somewhere there is a for sale ad on this website if youre
interested.
I chose the freelander and ATB on Andy Bates recommendation. It seems the ATB type LSD is suitable for BECs. They are plenty strong enough as mine was
for a busa turbo. It is the later sort.
I also know that the jag powerloc type LSD needs to be set for the weight of the vehicle so don't work properly on Cobras. Whether this applies
to any other makes of diff I don't know!
When I was looking into it I got overwealmed by all the types and arguments, so just asked Andy!
When I looked at fitting it to my Striker and ditching the sierra diff, it was so different that I decided it was too much work/expense to swop.
Ideally the chassis should be built to siut.
Good luck!
Ed
ps er yes they are the same ratio! Sorry!
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FFTS
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| posted on 9/3/10 at 06:46 PM |
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quote:
Originally posted by Humbug
3.1 diff? I haven't heard of that one. Probs 3.14?
[Edited on 09.03.2010 by Humbug]
Hmmm the plot thickens. Just googled sierra 3.1 diff and get a page of wanted ads 2 of which are asking for 3.1 diffs....
So is there such a thing????
Chris.
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bob tatt
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| posted on 9/3/10 at 07:59 PM |
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no such thing as a 3.1
3.14 yes fitted to the weasels
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jacko
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| posted on 9/3/10 at 08:02 PM |
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does this help
Jacko
 
no2
 
No1 and as far as a know are correct
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locogeoff
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| posted on 10/3/10 at 12:20 AM |
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quote:
Originally posted by locogeoff
I was under the impression that freelanders where altered at some early point in the production run with a different rear diff to sort out some of the
problems with the VCU and IRD, however I cannot check the details until I have a look at the Microcat tonight.
Just checked, and there is only one part number lited for freelander diffs so I would agree with others in saying they are all the same.
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procomp
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| posted on 10/3/10 at 09:17 AM |
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Hi
The freelander diffs are made 1 mile down the road from me by GKN. When you see the material and the build you certainly realise why they are only
just fit for a BEC car and certainly wont take the abuse of a CEC car. And as mentioned you need to get a later one with the extra modifications made
to them. No idea as to when exactly the switch over date was though.
If buying of Ebay be careful that you are not buying a scrap one. Have a very good close inspection before parting with money.
Cheers Matt
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