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Author Topic: mk2 gti diff change.....  (Read 3937 times)

Offline Llewellyn

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mk2 gti diff change.....
« on: 26 February 2009, 20:53 »
hi guys,

just wondered whats involved in changing the diff on a mk2 gti 8v, cos i seem to have to front wheels locked together.

:S

James
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Mk2 GTI 16v
Mk2 Scirocco 8v

Offline Diamond Hell

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Re: mk2 gti diff change.....
« Reply #1 on: 26 February 2009, 21:12 »
Browsing the classifieds for another 'box?

You could go to a G3 8V box - it's a bit stronger, with the larger input shaft.

The problem with your current 'box is that it's probably got quite a bit of swarf in  there now - everything will need to be very well cleaned prior to re-assembly.
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Offline danny_p

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Re: mk2 gti diff change.....
« Reply #2 on: 26 February 2009, 21:33 »
worth checking its not a tasty diff first tho surely ?
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Offline Ben Lessani

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Re: mk2 gti diff change.....
« Reply #3 on: 27 February 2009, 08:53 »
Lol, be hilarious if theres a Quaife LSD in there.
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Offline Llewellyn

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Re: mk2 gti diff change.....
« Reply #4 on: 27 February 2009, 09:08 »
it would be a very knackered LSD if anything LOL

easier to change the whole box then???

am i right in thinking 16v has a longer 5th?
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Offline DarnPB

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Re: mk2 gti diff change.....
« Reply #5 on: 27 February 2009, 09:23 »
No. The 8v has a longer 5th.
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Offline Llewellyn

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Re: mk2 gti diff change.....
« Reply #6 on: 27 February 2009, 10:08 »
Bloody Hell, a 16v must be horrible an a motorway,

both my 8vs have been 72 mph at 4k rpm, if the 16v is any shorter than that its taking the piss!
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Mk2 GTI 16v
Mk2 Scirocco 8v

Offline Ben Lessani

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Re: mk2 gti diff change.....
« Reply #7 on: 27 February 2009, 10:11 »
At 4k - mines doing near enough 85 on the speedo - about 81 on the sat nav.
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Offline Llewellyn

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Re: mk2 gti diff change.....
« Reply #8 on: 27 February 2009, 10:19 »
Weird, i'm pretty sure that both my cars had originals gearboxes.  that 72 on the sat nav.

Strange
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Mk2 GTI 16v
Mk2 Scirocco 8v

Offline rubjonny

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Re: mk2 gti diff change.....
« Reply #9 on: 27 February 2009, 10:25 »
Swapping the diff itself isnt an easy job, and even if it was chances are its done some very bad things to the gearbox casing and the rest of the internals
the MK3 8v box is not any stronger, yes it has a bigger input shaft but thats the last thing that would fail on an 020 box. 16v box also has the bigger input shaft and is closer to the MK2 8v box in terms of ratios, but shorter 5th as said. not a massive ammount in it though.
mk3 ratios are a bit more relaxed though, its up to you really.

http://www.scirocco.org/gears
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