XK120 XK140 XK150 1948 - 1962

5 speed box in XK120 ?

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Old Jul 16, 2010 | 04:25 PM
  #1  
Francis THIBAUD's Avatar
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Lightbulb 5 speed box in XK120 ?

Hi Jaguar enthusiasts.
I am a new member from France.
Jags : 1969 E-Type (XKE) FHC - Perfect runner
1956 XK140 FHC - Final stages of restoration
1954 XK120 OTS - Awaiting restoration.
Does anybody have experience / advice on fitting a 5-speed gearbox to an XK120 ?
Modifications ?
What type of box / budgets ?
I would do it myself unless major modifications required.
Thanks for sharing experience.
Francis.
 
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Old Jul 17, 2010 | 06:53 AM
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Welcome,
Nice to see a Jag Enthusiast like you .So, since your main interest is about a technical detail I am moving your thread one of proper places for other tech guys or owners of your ride to see and help you out
Thanks .
 
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Old Jul 18, 2010 | 03:57 AM
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Bienvenue Francis,
Wow nice collection you have. We would love to see some pics.

Don't know anything about fitting a 5speed into your XK120 but you might find this interesting.

Gearbox Identification.
 
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Old Jul 18, 2010 | 09:14 AM
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I have seen a few 5 speeds in a 120, only driven one. The one I drove was silent compared to the howl my transmission makes in the indirect gears. I believe this is where he got it.

http://www.5speeds.com/xk120.pdf

It also had a 140 water pump, if I remember correctly.
 
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Old Jul 19, 2010 | 04:31 PM
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Francis THIBAUD's Avatar
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Excellent article. One of the problems to address is the (slightly) incorrect position of the gear lever, which will require upholstery work.
Thanks
Francis
 
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Old Jul 19, 2010 | 04:34 PM
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Thanks. This is an excellent source of info through archives, although I have never managed to get the full history of the posts on a given subject, only recent ones.
Regards
Francis
 
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Old Jul 19, 2010 | 04:45 PM
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Francis THIBAUD's Avatar
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Hi
Would love to post pics of the cars but access seems restricted.
How would I simply attach a file ?
Francis
 
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Old Jul 20, 2010 | 04:43 AM
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Hello,
You are a new member and minimum reach 10 posts to access all the features .
Can you please read the link below ?

https://www.jaguarforums.com/forum/s...ad.php?t=22253

If you are a bit impatient or something urgent then you can contact our admin to lift all the restrictions for you ,it's the link to your request :

https://www.jaguarforums.com/forum/s...ad.php?t=22253

Finally, how to add pics ?
Here you go :


https://www.jaguarforums.com/forum/s...ad.php?t=22253

Thanks
 
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Old Jul 20, 2010 | 05:12 AM
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5 speeds to XK's are common, along with brake upgrades. The main guys I talk to about them are,
Guy Broad http://www.guybroad.co.uk/
Yuric of E Type Fabs, he's now making his own billet 5 speed and I've just let him take a 3.8 E Type block away to have rendered for machining in Aluminium, now that will be nice. http://www.etypefabs.com/
Ken Jenkins also can supply all you need, he's the technical director of the J.E.C.
http://www.ukjag.co.uk/stock/
These guys between them are serious players in the UK Jaguar restoration game.
 
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Old Jul 22, 2010 | 10:01 AM
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Etypefabs production looks impressive, although not cheap.
At least it is clear, well explained, several options available. His site has a very useful RPM/speed calculator for the various axle ratios.
Regards
Francis
 
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Old Apr 4, 2011 | 05:46 PM
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I drove recently a XK 120 syncro 4 gear Chrysler (dodge ). It fits whithout lots to modifications and run very well . Just a litlle modification and a cheap american part , easy to seach and install . Not for a purist but good for a pratice entusiast.
 
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