GEORGE80
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| posted on 24/4/06 at 08:50 PM |
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what diff?
hi all,
wondering if one of you can tell me what diff i need or what would be best cos at the minute its 100mph/10,000rpm and could do with a lsd too really,
what diff and what cars are fitted with them please, i think i just have a 3.62 diff at the moment
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JoelP
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| posted on 24/4/06 at 08:54 PM |
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all 4x4s are LSD, the v6 ones are 3.62, the 2 litre ones are 3.92. You can make other ratios LSD, but im not familiar with the precise process. 
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givemethebighammer
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| posted on 24/4/06 at 08:55 PM |
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I think you'll need a 3.38/3.36 or a 3.14 the first two are fairly common in diesel sierras. the last ones seems to be quite rare. Any of these
as LSD's will almost certainly have to be built by transfering the CWP (crown and pinion) from a non LSD into a LSD unit (commonly 3.62 or 3.92
ratio)
see this for excel spreadsheet of cars, diffs and diff tag codes.
http://www.locostbuilders.co.uk/viewthread.php?tid=43542
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froggy
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| posted on 24/4/06 at 08:57 PM |
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il post this out of habit i have a brand new 3.14 7" lsd from classic conversions for sale which to save you the bother of asking is too
expensive but a lot cheaper than classic sell them for
easiest way to find a 3.14 is nip down your local scrappy and find a 2.3 diesel sierra but that was about 10 years ago, classic do new 3.38 and 3.15
gearsets but your looking at 600quid for them to convert your diff but it comes back brand new and the 3.14 set is much stronger than the original
ford item
[Edited on 24/4/06 by froggy]
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cossey
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| posted on 24/4/06 at 09:57 PM |
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for £600 you can pick up a frelander diff with a quaife atb off of ebay, much better lsd and the diff weighs half that of the sierra diff.
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froggy
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| posted on 25/4/06 at 01:02 AM |
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atb is a much better slipper but im not sure how tough the freelander diff is as its only popular for the ratio 3.23 plus you would need shafts making
to siut i would have thought?
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cossey
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| posted on 25/4/06 at 07:25 AM |
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the shafts are just sierra push ins with the inner cv joints changed to the freelander cv joints.
the diff has been used for a couple of year by some of the rgb cars so it seems o be strong enough (i certainly havent heard of one going wrong.)
also it was fitted to the frelander v6 which will be putting far more torque through it than any bec will.
the ratio is 3.21 so a good comprimise between the 3.14/3.38 sierras, its better to suited to the quicker cars that dont want to be doing 7000rpm+ at
motorway speeds, a fireblade locost might find it too long as the car will be more aero limited rather than gearing limited but there are several
fireblade furys using it.
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froggy
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| posted on 25/4/06 at 07:43 AM |
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thats me told then
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cossey
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| posted on 25/4/06 at 08:56 AM |
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quote:
Originally posted by froggy
thats me told then
sorry it wasnt meant like that
they are good bits of kit and it isnt surprising that several of the manufacturers now use them, just what ever you do dont pay £1250 to westfield for
one, the previous owner of mine did and then sold it to me a month later for £500
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