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V6S limited slip in manual V6 base (and other track mods)

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  #21  
Old 03-14-2020, 08:11 AM
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Originally Posted by SinF
If you tune for more power, you can and should remap throttle pedal. Stock mapping is not linear, making it harder than necessary to rev match.
This is good to know and quite unfortunate. I still struggle with my heel-toe technique and this will likely not make it easier to learn. I will unfortunately not be able to tune the ECU now as it is not allowed in the Time Attack Club regulations.

If I move on to Club Challenge next year I'll be free to tune the car up to 450 hp.
 
  #22  
Old 03-14-2020, 10:25 AM
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Originally Posted by SinF
If you tune for more power, you can and should remap throttle pedal. Stock mapping is not linear, making it harder than necessary to rev match.
+1. VAP will do that for you if you buy their tune.
 
  #23  
Old 03-15-2020, 07:35 AM
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Originally Posted by Unhingd
Also, get the suspension as low as you can. Even a mere 1.5” reduction in ride hide will significantly reduce body roll and float through the turns.
I was planned to get Eibach Pro kit springs, but I then I read this thread: https://www.jaguarforums.com/forum/f...rience-229980/ and all of a sudden I'm not so keen anylonger.

What is the best way to get the suspension low and good for track use? Do I need to get a set of KW coilovers? Or are H&R springs also good for the track?
 
  #24  
Old 03-15-2020, 09:20 AM
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Originally Posted by jlsthlm
I was planned to get Eibach Pro kit springs, but I then I read this thread: https://www.jaguarforums.com/forum/f...rience-229980/ and all of a sudden I'm not so keen anylonger.

What is the best way to get the suspension low and good for track use? Do I need to get a set of KW coilovers? Or are H&R springs also good for the track?
I can’t speak to the KW coil overs, but I can attest to the fact that the H&R’s will virtually eliminate body roll.
 
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  #25  
Old 04-11-2020, 08:15 PM
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Reviving this thread as I am really thinking about retrofitting the V6S LSD to my V6 base.

Does anyone know what part numbers I should be getting? Is it enough with the T2R4000E? In that case I found a very nice, brand new one for only 950 GBP on ebay.

It would be amazing if that's all I need.
 
  #26  
Old 04-11-2020, 08:29 PM
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Originally Posted by jlsthlm
Reviving this thread as I am really thinking about retrofitting the V6S LSD to my V6 base.

Does anyone know what part numbers I should be getting? Is it enough with the T2R4000E? In that case I found a very nice, brand new one for only 950 GBP on ebay.

It would be amazing if that's all I need.
Please keep us posted on this project. I need to know if this conversion is possible. If it is, there will be a sufficient market (340s and 380s) to justify building a batch of torsen diffs.
 

Last edited by Unhingd; 04-11-2020 at 09:30 PM.
  #27  
Old 04-11-2020, 11:10 PM
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Originally Posted by Unhingd
Please keep us posted on this project. I need to know if this conversion is possible. If it is, there will be a sufficient market (340s and 380s) to justify building a batch of torsen diffs.
Will keep you updated. Pretty sure it's possible though, I PM:d with user Richard Chrimes here on the forums as I found him in a previous thread on the same subject. According to him, the diff is a direct swap with about 4.5 hrs of work dropping the rear subframe and installing the diff. No changes to the car configuration file needed.
 
  #28  
Old 04-12-2020, 04:00 AM
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Originally Posted by jlsthlm
Will keep you updated. Pretty sure it's possible though, I PM:d with user Richard Chrimes here on the forums as I found him in a previous thread on the same subject. According to him, the diff is a direct swap with about 4.5 hrs of work dropping the rear subframe and installing the diff. No changes to the car configuration file needed.
I’m most interested in seeing how the difference in final drive ratios will impact the computer control systems.
 
  #29  
Old 04-12-2020, 04:19 AM
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Originally Posted by Unhingd
I’m most interested in seeing how the difference in final drive ratios will impact the computer control systems.
With a manual it won't have any influence at all, manual doesn't care what diff ratio you have.

3.15:1 V6 non-S, 8-speed auto (open)
3.31:1 V6 non-S, 6-speed manual (open)
3.31:1 V6S, 6-speed manual & 8-speed auto RWD (LSD)

And with the autos, the % difference between 3.15 & 3.31 is insignificant enough anyhow.
 
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  #30  
Old 04-12-2020, 08:23 AM
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Originally Posted by Cambo
And with the autos, the % difference between 3.15 & 3.31 is insignificant enough anyhow.
Cambo,
Thanks for that bit of info.

jlsthlm,
If you follow through with this swap, I'd be interested in acquiring your non-LSD diff. so that I can have the Torsen gear assembly fitted the case.
 
  #31  
Old 04-12-2020, 11:59 AM
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Originally Posted by jlsthlm
Will keep you updated. Pretty sure it's possible though, I PM:d with user Richard Chrimes here on the forums as I found him in a previous thread on the same subject. According to him, the diff is a direct swap with about 4.5 hrs of work dropping the rear subframe and installing the diff. No changes to the car configuration file needed.
I haven't done it or seen it done on a F-Type. However, in other cars, it's literally just a "pumpkin" change if you get the whole assembly. The pain is more from the costs than the work.

If you just do the internals, you need to have a shop do it so it's shimmed properly. However, I'm not sure just doing the internals would work for the F-Type anyway.
 

Last edited by Mahjik; 04-12-2020 at 12:01 PM.
  #32  
Old 04-13-2020, 09:13 PM
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Originally Posted by Unhingd
Cambo,
Thanks for that bit of info.

jlsthlm,
If you follow through with this swap, I'd be interested in acquiring your non-LSD diff. so that I can have the Torsen gear assembly fitted the case.
Yes sure no problem. I have asked the vendor for a shipping quote. If it is reasonable, I'll go ahead and give it a try! If successful you can have my open diff, I'll only need the shipping charges covered.
 
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  #33  
Old 04-13-2020, 09:26 PM
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Originally Posted by Mahjik
I haven't done it or seen it done on a F-Type. However, in other cars, it's literally just a "pumpkin" change if you get the whole assembly. The pain is more from the costs than the work.

If you just do the internals, you need to have a shop do it so it's shimmed properly. However, I'm not sure just doing the internals would work for the F-Type anyway.
I prefer it to be uncomplicated if possible - I am basically completely inexperienced in any type of wrenching more advanced than simple exchange of bolt on parts.

If I get this:

https://parts.jaguarpalmbeach.com/p/...4/T2R4000.html

Would that be what you call a "pumpkin change"?

Thanks!
 
  #34  
Old 04-13-2020, 09:30 PM
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Yep!
 
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  #35  
Old 04-14-2020, 02:17 AM
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Originally Posted by jlsthlm
Yes sure no problem. I have asked the vendor for a shipping quote. If it is reasonable, I'll go ahead and give it a try! If successful you can have my open diff, I'll only need the shipping charges covered.
Fabulous! Thanks.
 
  #36  
Old 04-14-2020, 05:34 AM
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Originally Posted by jlsthlm
Yes sure no problem. I have asked the vendor for a shipping quote. If it is reasonable, I'll go ahead and give it a try! If successful you can have my open diff, I'll only need the shipping charges covered.
You should check the link for the new differential again There is a $525 core charge which means they want the old one or the new one will cost $525 more. Sorry for the news.
 
  #37  
Old 04-14-2020, 06:04 AM
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Originally Posted by RGPV6S
You should check the link for the new differential again There is a $525 core charge which means they want the old one or the new one will cost $525 more. Sorry for the news.
I'm not buying it from there, I'm buying it on Ebay. So no worries.
 
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