daniel mason
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| posted on 7/1/09 at 07:48 PM |
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zx14/ busa diffs
Anyone have any advice on correct diff for a zx14 or busa engine in 7 type cars? There seems to be so many people with these vehicles and diff ratios
seem to vary quite a lot! Thanks guys.
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iiyama
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| posted on 7/1/09 at 08:04 PM |
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3.14 if you can find one. 3.38 is a good compromise.
If its broke, fix it. If it aint broke, take it apart and find out how it works!
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daniel mason
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| posted on 7/1/09 at 08:09 PM |
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Thanks.The 3.14 seems hard to find and expensive but i will keep a look out for one! Thanks again
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Hellfire
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| posted on 7/1/09 at 08:10 PM |
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You'll have difficulty getting hold of a 3.14, they're like rocking horse sh1t. A 3.38 diff will be good and are much more common. Usually
found in 2.3D Sierras.
Phil
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daniel mason
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| posted on 7/1/09 at 08:13 PM |
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thanks phil.Is there not a freelander diff with similar ratio?
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Steve Hignett
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| posted on 7/1/09 at 08:15 PM |
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Freelander Diff is 3.21
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Hellfire
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| posted on 7/1/09 at 08:17 PM |
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Freelander diffs are 3.21 and non-LSD.
Phil
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Simon
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| posted on 7/1/09 at 08:18 PM |
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BMW have 100's of ratios, the only probs may be joining bmw diff and Sierra shafts and weight, but price shouldn't come into it.
ATB
Simon
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daniel mason
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| posted on 7/1/09 at 08:18 PM |
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Would that not be a resonable alternative or are they very expensive too? The freelander i mean!
[Edited on 7/1/09 by daniel mason]
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Flamez
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| posted on 7/1/09 at 08:48 PM |
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freelander diff seems to be the choice for ZX10R's and can be had for around £100, however if you use sierra hubs you will need custom
driveshafts. Mine were supplied by Mac1motorsports.
my build mac1motorsports
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stuart_g
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| posted on 7/1/09 at 09:01 PM |
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You will also have to alter the mountings for the Freelander diff as they are different to the Sierra so get your welder out.
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asl
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| posted on 8/1/09 at 09:40 AM |
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Hi. I have been trying to change my diff for some time. At present I have a blade engine and a 3.9 diff which is completely wrong for me. I've
been looking for a 3.14 but as hellfire says they are like hens teeth. I've also been unsuccessful in sourcing a 3.38. I have found a company
who can reratio my current diff. They have said that the 3.14 has started to be remanufactured but would cost around £400 + rebuild costs. They have
said that a decent 3.38 should be around £150 + rebuild costs so think I'm going down that route (Unless of course someone wants to buy a 3.9
and someone has a 3.38 to sell!!!)
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aka Keith
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| posted on 8/1/09 at 02:43 PM |
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quote:
Originally posted by asl
Hi. I have been trying to change my diff for some time. At present I have a blade engine and a 3.9 diff which is completely wrong for me. I've
been looking for a 3.14 but as hellfire says they are like hens teeth. I've also been unsuccessful in sourcing a 3.38. I have found a company
who can reratio my current diff. They have said that the 3.14 has started to be remanufactured but would cost around £400 + rebuild costs. They have
said that a decent 3.38 should be around £150 + rebuild costs so think I'm going down that route (Unless of course someone wants to buy a 3.9
and someone has a 3.38 to sell!!!)
Do you have any idea as to what the rebuild costs will be?
cheers
Craig
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asl
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| posted on 8/1/09 at 05:58 PM |
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Depending on the condition of the bearings etc. around £150. It's been sent away so once they give me a complete quote I will post on here.
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aka Keith
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| posted on 9/1/09 at 09:51 AM |
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Thanks ASL,
As an aside did you go to Bruntingthorpe in 2008 to one of the MK trackdays? If you did I think I met you there.
Cheers
Craig
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asl
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| posted on 9/1/09 at 02:29 PM |
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Hi Craig, yes that was me. May see you at another one as soon as I can get my car off the jacks!!. Cheers Nathan
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aka Keith
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| posted on 9/1/09 at 05:57 PM |
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Nathan, good to hear that the rebuild is coming along. Hope to see it on the road soon eh?
cheers
Craig
[Edited on 9/1/09 by aka Keith]
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