6 cylinder to v12 conversion
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Junior Member
Joined: Aug 2017
Posts: 3
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From: Fort Myers, FL
6 cylinder to v12 conversion
I am a new member. I have a 94 XJS with th 4.0L 6cyl and a manual 5 speed. As many of you know, the 6 cyl XJS is a dog in the performance area. Has anyone dropped a V12 in the manual trans XJS? I understand it would Mae it a real screamer.
Thanks,
JohnV
Thanks,
JohnV
Joined: Feb 2010
Posts: 28,788
Likes: 11,269
From: Adelaide Stralia
Welcome.
Have a stooge around teh Series 1/2/3 tech section. Doug has made his XJ6 an XJ12.
I realise not the same, but the info would be handy.
Some here have manualised their V12's, but I dont know of any that have done your suggestion.
Yes, the V12 manual is a screamer.
Have a stooge around teh Series 1/2/3 tech section. Doug has made his XJ6 an XJ12.
I realise not the same, but the info would be handy.
Some here have manualised their V12's, but I dont know of any that have done your suggestion.
Yes, the V12 manual is a screamer.
Veteran Member
Joined: Mar 2008
Posts: 25,520
Likes: 11,712
From: Pacific Northwest USA
Do as you like, of course. But you have a rather rare and desirable model. Personally I'd leave it alone.
It'll be much easier to buy a V12 XJS. Make it a 6.0 litre for some real ooomph.
If you go ahead with the swap you'll want a donor car on hand...or very easy and long term access to one....so you can get EVERY part you'll need, right down to the wires, bolts, brackets, cables,instruments, fuel pipes, etc. Actually installing the engine will be the easy part. Sorting the (seemingly endless number of) details is what takes the time and effort.
Cheers
DD
Joined: Dec 2011
Posts: 120,439
Likes: 17,005
From: Durham, UK
Welcome to the forum JohnV,
Good to have you with us at Jaguar forums.
Follow this link https://www.jaguarforums.com/forum/xjs-x27-32/ to the XJS forum for help, advice and information. The 'HOW TO' thread at the top is a good place to start for information on regular issues.
Please remember to add vehicle details to your Signature to help others to give relevant advice. Go to the User CP button on the left of the top menu bar, then Settings & Options under Your Control Panel. Select Edit Signature and enter the details.
You can also visit the US Lower Atlantic Region forum by following this link https://www.jaguarforums.com/forum/usa-lower-atlantic-nc-sc-fl-ga-66/ to find other members in your region.
Enjoy the forums.
Graham
Good to have you with us at Jaguar forums.
Follow this link https://www.jaguarforums.com/forum/xjs-x27-32/ to the XJS forum for help, advice and information. The 'HOW TO' thread at the top is a good place to start for information on regular issues.
Please remember to add vehicle details to your Signature to help others to give relevant advice. Go to the User CP button on the left of the top menu bar, then Settings & Options under Your Control Panel. Select Edit Signature and enter the details.
You can also visit the US Lower Atlantic Region forum by following this link https://www.jaguarforums.com/forum/usa-lower-atlantic-nc-sc-fl-ga-66/ to find other members in your region.
Enjoy the forums.
Graham
Joined: Oct 2007
Posts: 120,988
Likes: 6,648
From: PHX some of the time
Welcome to Jaguar Forums John,
Good to have you with us.
Enjoy the forum.
If you haven't done so already you should add your car details to your signature to help others to help you.
If you need help with getting around and using the forum follow this link for some help Forum Help
Good to have you with us.
Enjoy the forum.
If you haven't done so already you should add your car details to your signature to help others to help you.
If you need help with getting around and using the forum follow this link for some help Forum Help
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Junior Member
Joined: Aug 2017
Posts: 3
Likes: 0
From: Fort Myers, FL
6 cyl to v12 conversion
Do as you like, of course. But you have a rather rare and desirable model. Personally I'd leave it alone.
It'll be much easier to buy a V12 XJS. Make it a 6.0 litre for some real ooomph.
If you go ahead with the swap you'll want a donor car on hand...or very easy and long term access to one....so you can get EVERY part you'll need, right down to the wires, bolts, brackets, cables,instruments, fuel pipes, etc. Actually installing the engine will be the easy part. Sorting the (seemingly endless number of) details is what takes the time and effort.
Cheers
DD
It'll be much easier to buy a V12 XJS. Make it a 6.0 litre for some real ooomph.
If you go ahead with the swap you'll want a donor car on hand...or very easy and long term access to one....so you can get EVERY part you'll need, right down to the wires, bolts, brackets, cables,instruments, fuel pipes, etc. Actually installing the engine will be the easy part. Sorting the (seemingly endless number of) details is what takes the time and effort.
Cheers
DD
