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Re: Aftermarket lsd 20VT
[Re: ]
#740644
06/01/2009 13:46
06/01/2009 13:46
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Joined: Dec 2005
Posts: 17,367 Staffordshire
Nigel
Forum veteran
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Forum veteran
Joined: Dec 2005
Posts: 17,367
Staffordshire
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Now that is interesting. £280 is a lot less than £700. I see they do plate LSD as well. I think i'll give them a call. I'd be interested to see how you get on Marco - I'm beginning to think that a standard viscous coupling isn't beefy enough to work properly with 400bhp - in the current damp weather, I'm spinning up the inside wheel a lot more easily than I remember doing last winter - maybe I've cooked the viscodrive unit? Either way, it would be interesting to consider a proper LSD
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Re: Aftermarket lsd 20VT
[Re: paddy]
#758210
28/01/2009 14:31
28/01/2009 14:31
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brunomoreira
Unregistered
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brunomoreira
Unregistered
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Alfa Q2 fit in 20VT 5 speed?
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Re: Aftermarket lsd 20VT
[Re: ]
#758256
28/01/2009 15:23
28/01/2009 15:23
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paddy147
Unregistered
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paddy147
Unregistered
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Good question.
Last edited by paddy147; 28/01/2009 15:23.
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Re: Aftermarket lsd 20VT
[Re: Flea]
#792511
11/03/2009 18:42
11/03/2009 18:42
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Joined: Dec 2005
Posts: 3,158 Near Reading
JohnS
I need some sleep
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I need some sleep
Joined: Dec 2005
Posts: 3,158
Near Reading
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You could get the fluid uprated also as cheaper option. This is done on a lot of other cars.
Former low boost hero - 616BHP@1.5 bar. 2.4 20VT RIP
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Re: Aftermarket lsd 20VT
[Re: Kayjey]
#796971
18/03/2009 19:04
18/03/2009 19:04
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131
Unregistered
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131
Unregistered
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Hi fella's ( and any female members !! ), Just joined tonight after searching for tuning tips/ideas for my Marea 147 20v.I came across this thread and thought I would add to the discussion. I bought a Turbo box with a view to fitting it to the Marea for the benefits of the Visco drive, hence to say it's a completely different box and the gears would not be to the Marea's liking anyway . Something good came of it however, as my brother has a 155 V6 with a 156 6 speed box ( fitted with a quaife LSD ) and he wanted to check out the turbo box. He brought his standard 156 diff and final drive down to mine. I took the diff/final drive out of the turbo box and we checked the teeth on both final drives and they where the same, as was the cast number 7783659. So where the cast numbers on the diffs - 7783660. So, apparently, a standard Alfa 156 V6 Q2 LSD should fit into the turbo 5/6 speed box . Hope this helps someone
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Re: Aftermarket lsd 20VT
[Re: Nigel]
#797069
18/03/2009 21:30
18/03/2009 21:30
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jonone
Unregistered
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jonone
Unregistered
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Is there any way of telling if the viscous diff is working properly?
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Re: Aftermarket lsd 20VT
[Re: ]
#798218
20/03/2009 15:59
20/03/2009 15:59
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kay2
Unregistered
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kay2
Unregistered
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you can replace the fluid in rs turbo diffs I know that, theres a fella in birmingham that does it makes one hell of a difference
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Re: Aftermarket lsd 20VT
[Re: ]
#908287
28/09/2009 22:08
28/09/2009 22:08
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Mare
Unregistered
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Mare
Unregistered
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Tonight I've fitted Alfa Q2 on Fiat 20VT 5speed. I'm just looking the way to fit shaft without viscous coupling.
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Re: Aftermarket lsd 20VT
[Re: ]
#908356
29/09/2009 00:26
29/09/2009 00:26
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ra_XOr
Unregistered
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ra_XOr
Unregistered
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So, if you could figure out the cancelation of Viscodrive then the Q2 LSD fits the 20VT 5speed??
This is a great finding.
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Re: Aftermarket lsd 20VT
[Re: ]
#908360
29/09/2009 00:47
29/09/2009 00:47
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Mare
Unregistered
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Mare
Unregistered
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I'll try finding some 20V N/A shaft. In case there are the same from the differential to the near shaft then problem is 100% solved. If not, I'm sure there is solution, I read somewhere that some sort of sleeve was made for 20VT to remove viscodrive. I also wonder how much power this Q2 LSD can handle?
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Re: Aftermarket lsd 20VT
[Re: ]
#908766
29/09/2009 17:07
29/09/2009 17:07
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pjd30
Unregistered
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pjd30
Unregistered
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Q2 diff is good for around 400bhp and around 300 pounds feet torque from what I have seen and heard in tuning circles.
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Re: Aftermarket lsd 20VT
[Re: Jimbo]
#909063
30/09/2009 00:05
30/09/2009 00:05
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ra_XOr
Unregistered
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ra_XOr
Unregistered
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What about using the Alfa 155 V6 2.5 shafts?
I think they will fit properly.
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Re: Aftermarket lsd 20VT
[Re: ]
#911054
03/10/2009 20:25
03/10/2009 20:25
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Mare
Unregistered
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Mare
Unregistered
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Alfa 155 V6 are 20-25mm shorter:( Tried them today...
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Re: Aftermarket lsd 20VT
[Re: ]
#911116
03/10/2009 22:26
03/10/2009 22:26
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ra_XOr
Unregistered
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ra_XOr
Unregistered
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Umm, did i mislead you ?!!
Please forgive me. i didnt mean it.
But that was close.
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Re: Aftermarket lsd 20VT
[Re: ]
#911124
03/10/2009 22:51
03/10/2009 22:51
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Joined: Dec 2005
Posts: 1,895 New Zealand
Saint
My life on the forum
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My life on the forum
Joined: Dec 2005
Posts: 1,895
New Zealand
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Q2 diff is good for around 400bhp and around 300 pounds feet torque from what I have seen and heard in tuning circles. 300ft/lbs doesn't sound like a massive amount by modern coupe standards (ie there seem to be alot of people running over 300ft/lbs now) Have there been many failures over 300ft/lbs or is this a (conservative) manufactures rating?
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Re: Aftermarket lsd 20VT
[Re: ]
#911685
05/10/2009 00:15
05/10/2009 00:15
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Mare
Unregistered
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Mare
Unregistered
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Umm, did i mislead you ?!!
Please forgive me. i didnt mean it.
But that was close. You didn't:) It was just another idea, it was close. I gave my shaft to people who will make some sort of sleeve. Will keep you posted
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Re: Aftermarket lsd 20VT
[Re: Saint]
#912239
05/10/2009 20:50
05/10/2009 20:50
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pjd30
Unregistered
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pjd30
Unregistered
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Supposedly its what Alfa "rekon/claim" it can handle.
The KAAZ 1.5 LSD is a better diff to the Q2.
I know someone who had both diffs fitted and he rants and raves about the KAAZ,its the best thing since sliced bread.
Last edited by pjd30; 05/10/2009 20:51.
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Re: Aftermarket lsd 20VT
[Re: ]
#912270
05/10/2009 21:29
05/10/2009 21:29
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Mare
Unregistered
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Mare
Unregistered
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Kaaz part number is 2510? Kaaz is much expensive anyway.
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Re: Aftermarket lsd 20VT
[Re: ]
#1040343
21/05/2010 09:50
21/05/2010 09:50
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Marko_hr
Unregistered
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Marko_hr
Unregistered
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Any update on subject? Conclusion is - Alfa Q2 fits 20vt 5/6 speed boxes?
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Re: Aftermarket lsd 20VT
[Re: ]
#1040931
22/05/2010 12:56
22/05/2010 12:56
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Mare
Unregistered
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Mare
Unregistered
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Alfa Q2 fits 5 speed for sure. My 20VT is 1997 manufacturer year
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