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Topic: 4.27 diff (Read 2198 times) |
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shirlz94
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 Hi all, I was wondering if anyone could tell me which year, model etc a 4.27 diff with push in shafts comes from, lots of people have been telling me thats what I need for my stock car but nobody is forthcoming with details! Many thanks Shirlz94
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Highlander
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13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
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Re: 4.27 diff
« Reply #1 on: Jul 18th, 2008, 7:19pm » |
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Hello and welcome
you need one off a 2.0 16v any year, auto or manual, saloon or estate.
not the 2.0 8v as it has a 4.09
http://www.fordscorpio.co.uk/manual/rearaxle/RAxleSpecs.pdf
The data on this sheet for the 2.3 16v is WRONG the 2.3 is fitted with a 3.91 diff
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on Oct 17th, 2011, 12:35pm, Simmo wrote:I give up !  Too much for an old boy!  |
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shirlz94
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Re: 4.27 diff
« Reply #2 on: Jul 18th, 2008, 7:34pm » |
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Hi, thankyou very much for the welcome and the answer you wouldn't believe how much it means to me to finally get a straight answer!
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Highlander
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13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
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Re: 4.27 diff
« Reply #3 on: Jul 18th, 2008, 7:36pm » |
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No problem
What was your stock car originally??
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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shirlz94
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Re: 4.27 diff
« Reply #4 on: Jul 18th, 2008, 7:38pm » |
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It was at one time a sierra
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Highlander
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Re: 4.27 diff
« Reply #5 on: Jul 18th, 2008, 7:49pm » |
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Good luck getting one then, i found the cheapest option is to buy a whole car
I fitted the 4.27 diff to my 24v replacing the 3.64 stock diff, makes a huge difference, both to performance and petrol consumption!! 
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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shirlz94
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Re: 4.27 diff
« Reply #6 on: Jul 18th, 2008, 7:55pm » |
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 take it they r hard to get a hold of then & what kind o price am I gonna be looking at? I might be lucky enough to have someone silly enough to sponser me fingers crossed!
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shirlz94
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Re: 4.27 diff
« Reply #8 on: Jul 18th, 2008, 8:10pm » |
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Cheers for all the info, saves me taking off backplates at scrappies (other half does the work for me to race so he reckons I gotta work on it too)! Better get moving work beckons
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Highlander
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Re: 4.27 diff
« Reply #9 on: Jul 18th, 2008, 8:16pm » |
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Talking of backplates...
The early models, generally M and N reg had the single mount backplate the same as your Sierra, later models have a double mount backplate, the diffs are identical though and the backplates are interchangeable..
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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5stud
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Re: 4.27 diff
« Reply #10 on: Jul 19th, 2008, 12:19am » |
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i think you guys are missing the point.DIFF WITH PUSH IN SHAFTS .granadas and scorpios and larger cc sierras use large diff with torex bolt on shafts smaller cc sierras use small diff with PUSH IN SHAFTS
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Highlander
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Re: 4.27 diff
« Reply #11 on: Jul 19th, 2008, 12:42am » |
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on Jul 19th, 2008, 12:19am, 5stud wrote:| i think you guys are missing the point.DIFF WITH PUSH IN SHAFTS .granadas and scorpios and larger cc sierras use large diff with torex bolt on shafts smaller cc sierras use small diff with PUSH IN SHAFTS |
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not getting what you mean 5 stud, the driveshaft pinions on the scorpio push in and are held with a circlip, which is the same setup as the only Sierra i ever dismantled, a 2.0 ghia.
The torx bolts hold the driveshafts to the pinions.
Whats the Sierra set up?
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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Scorpio_Mike
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Jeep Grand Cherokee 3.0 V6 & 2.8 Sierra XR4i 4x4
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Re: 4.27 diff
« Reply #12 on: Jul 19th, 2008, 1:01am » |
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May be referring to early type Sierra diff - driveshafts are a single unit complete with the splined ends which push into the diff & hub - not like the later type with the 6 hex / allen key bolts on each end which have separate driveshafts. The push fit driveshafts have - I think - something called 'tripode' joints - later models have CV type joints which I think are called 'lobro' ?
I might be well off track here but I think that is what the original question was about
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Star sign is Scorpio !
Sierra XR4i's are great...especially when fitted with 4WD
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Highlander
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Re: 4.27 diff
« Reply #13 on: Jul 19th, 2008, 1:05am » |
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So the Sierra driveshafts will not fit the Scorpio diff then?
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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Scorpio_Mike
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Jeep Grand Cherokee 3.0 V6 & 2.8 Sierra XR4i 4x4
Posts: 2354
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Re: 4.27 diff
« Reply #14 on: Jul 19th, 2008, 10:22am » |
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Having now read the original question properly  I would guess that a 4.27 diff with push-fit driveshafts would originally have come from an early Sierra - not sure which engine size though, most likely a 4-cylinder version as the 2.3 V6 had a 3.38 and the 2.8 V6 had a 3.62
I'm pretty sure they stopped using the push-fit driveshafts from late '84 on the Sierra in favour of the Lobro type CV joints.
Get hold of a copy of the Haynes manual for the Sierra - a couple of quid from ebay - don't forget there are 2 versions, 1 for the 4-cyl models and 1 for the V6 models.
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Star sign is Scorpio !
Sierra XR4i's are great...especially when fitted with 4WD
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Highlander
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13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: 4.27 diff
« Reply #15 on: Jul 19th, 2008, 12:39pm » |
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7" and 7.5" i think the Sierra used..
the Sierra diff i removed (7" and 3.91 ratio) took 2.3 Scorpio driveshafts ok (something i tried just out of interest)
Hang on Shirlz I may have given you duff info 
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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shirlz94
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Re: 4.27 diff
« Reply #16 on: Jul 20th, 2008, 4:12pm » |
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Hiya, Scorpio Mike your first reply description was right about the driveshafts but supposedly the 4.27 diff was only available in Scorpio or Granadas. All your help is very much appreciated with this.
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shirlz94
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Re: 4.27 diff
« Reply #18 on: Jul 20th, 2008, 5:06pm » |
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Unfortunately I live in Aberdeenshire! And not very many available up here. ...... Sorry if I take a while to answer back to anyone I work nightshift! Trying to get any info I understand fae the other half is a struggle
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Scorpio_Mike
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Jeep Grand Cherokee 3.0 V6 & 2.8 Sierra XR4i 4x4
Posts: 2354
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Re: 4.27 diff
« Reply #19 on: Jul 20th, 2008, 9:38pm » |
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Dug out my Mk3 Granada Haynes manual - no mention of 4.27 diffs in there.
Various ratios listed, depending on engine size and spec : 3.92 / 3.62 / 3.36
Hope you get to the bottom of it !
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Star sign is Scorpio !
Sierra XR4i's are great...especially when fitted with 4WD
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