XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

I got the bug ... in need of medication

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Old 01-30-2024, 05:04 AM
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Default I got the bug ... in need of medication

Dear friends, some of you may know me from other threads, so I dare hope for your help. I have fallen ill, very ill, and I need a proper cure.

In the past, since I was a child, I always had symptoms of longing and desire, whenever I saw an XJS. Perhaps I was born with a congenital condition, acute XJSite complex.

These symptoms have been manifesting for years, but would pass with a tablet of wife reprimand, or a spoonful of financial diligence.

When they became more frequent, and more painful, the doctor recommended a Daimler Double Six therapy, to be administered during the summer family holidays, across Europe. So I purchased the medicine, and I'm currently restoring it in Italy.

I then moved to England, Berkshire to be precise.

Here the symptoms became far more frequent and far worse: palpitations, shortness of breath, and even ache in the chest. I feared the worst, and researched this XJS forum for a referral to a good specialist.

I found a doctor that specialised in XJSite complex syndrome in Newbury, doctor Knowles of the KWE clinic, and tried a cure of Double Six fuel injectors overhaul.

Unfortunately, while I was at the clinic, I saw an immaculate XJS-R and even an original Tom Wilkinshaw ex works.

I lapsed back into my condition and the symptoms worsened with abundant salivation and even irrational thoughts of lust!!

Please, I need help 🙏🏻 can anyone help me get cured? I am looking for proper medical help, what's the best medicine type, the appropriate dosage, etc etc


 

Last edited by ascanio1; 01-30-2024 at 05:18 AM.
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  #2  
Old 01-30-2024, 08:39 AM
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Only an immersion cure will work! Like workers in a chocolate factory.
I would caution against an XJR-S. I think that they have a non-standard ZYTEC ignition for which parts are non-existent and about the details of which nobody knows anything.

Dr. Gregoire, the renowned specialist in this disease recommmends a pre facelift V12 HE with LUCAS ignition and no ABS. This gives maximum cure chances with minimum complication, frustration and cost. Whatever you do, do not buy a car with the early TEVES ABS.

This would do nicely, except it is 10,000 overpriced!
https://www.ebay.co.uk/itm/266586594...Bk9SR7Cz4KyrYw
 

Last edited by Greg in France; 01-30-2024 at 08:41 AM.
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Old 01-30-2024, 11:58 AM
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Originally Posted by Greg in France

pre facelift V12 HE with LUCAS ignition and no ABS. Whatever you do, do not buy a car with the early TEVES ABS.
What years or VIN's qualify for this descriptor? Thanks
 
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Old 01-30-2024, 01:09 PM
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ascanio1,

There are a number of XJS medical practitioners who can advise you of the best course of treatment.

Some of the more traditional practitioners will advise that only a particularly large dose will be required to treat you. Just over 5 1/4 litres of the original medicine should be consumed 3 times a week during the Spring & Summer months. This can be reduced to 5 1/4 litres perhaps once a week during the winter. You will be well used to the flavour of this medicine as it has a very similar taste to the treatment that you have already been prescribed.

Some of the avantgarde practitioners will suggest that a simpler dose is to consume 4 litres of the newer medicine 3 times a week. The advantage of this dose is that it can be maintained at 3 times per week during the whole year.

Other more hardcore practitioners suggest that copious amounts of fresh air are also helpful, and this can be taken with both the 5 1/4 litre or 4 litre doses.

Whilst both forms of the medicine are extremely effective, the course must be continued if it is to hold your symptoms at bay. I have been taking the 4 litre doses with fresh air for over 20 years, but even so I have had to start taking a supplementary 5 1/4 litre dose for the last 4 years.

My very best wishes for your treatment.

Good luck

Paul
 
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  #5  
Old 01-30-2024, 01:30 PM
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Originally Posted by MooseOHJ
What years or VIN's qualify for this descriptor? Thanks
II do not know the VINS, but PTJS1 may know. Essentially from thr first HE engined models up to about 1988. The engine bay will have the LUCAS box on the B bank inlet manifold and the brake booster on the rear end of the master cylinder. The later models up to the change the better, as quality greatly improved from 1985 onwards.
 
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  #6  
Old 01-30-2024, 02:08 PM
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Originally Posted by Greg in France
II do not know the VINS, but PTJS1 may know. Essentially from thr first HE engined models up to about 1988. The engine bay will have the LUCAS box on the B bank inlet manifold and the brake booster on the rear end of the master cylinder. The later models up to the change the better, as quality greatly improved from 1985 onwards.
Ok thanks. I'm shooting for like 1989-1991. That should set me right then I guess. Thanks.
 
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Old 01-30-2024, 02:48 PM
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Embrace your disease.

 
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Old 01-30-2024, 03:56 PM
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Originally Posted by Greg in France
II do not know the VINS, but PTJS1 may know. Essentially from thr first HE engined models up to about 1988. The engine bay will have the LUCAS box on the B bank inlet manifold and the brake booster on the rear end of the master cylinder. The later models up to the change the better, as quality greatly improved from 1985 onwards.
First HE is VIN 105048

ABS fitted from ABOUT 147269 , but there's some devpt cars before that. Visibly very obvious from the layout of the Brake Actuation Unit, Pump, Accumulator etc

Cheers

Paul
 
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Old 01-30-2024, 04:26 PM
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Thank you to all!

I truly appreciate your concern for my health! I also appreciate all the clinical prescriptions, and I will try to be a good patient. A few question and comments, on the medicine to assume:

1. Why not the facelift version? I was thinking the 6.0L, but not the plastic bumper. And, if it has plastic bumpers, then can they be converted to chrome easily?
2. Fixed Head Coupé:
> My daughter cannot fit on the rear seats of the drop head coupé;
> I far prefer the shape of the fixed head coupé.
> We already own a drop head (a 1984 Corniche) and we do not really need a second DHC.

I found this one: https://www.autotrader.co.uk/car-det...02401205747600

Seller will deliver with MOT without advisories, is also willing to have it AA inspected, and any non-cosmetic faults either repaired, or he will reimburse the cost of the AA inspection. When I commented to him that I did not like the plastic bumpers, he sent me this link: https://forums.jag-lovers.com/t/i-ke...that/371816/13 - this car was part of a 35 Jaguar motorcars collection and the son is selling the estate. He sent me plenty of videos and - obviously - swears by his father's precision and care. Apparently, his father kept a full time mechanic that would drive each one regularly and service them regularly. I cannot confirm this, of course.

My budget for the cure is £12,000 - I could invest a little more in my health if I found a very exceptional and unique medicine

Tommaso
 

Last edited by ascanio1; 01-30-2024 at 04:29 PM.
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Old 01-30-2024, 04:28 PM
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Originally Posted by MooseOHJ
Ok thanks. I'm shooting for like 1989-1991. That should set me right then I guess. Thanks.
Those would be exactly the ones to avoid. You're better off with '85-'87, maybe '88.
 
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  #11  
Old 01-30-2024, 04:51 PM
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Originally Posted by garethashenden
Those would be exactly the ones to avoid. You're better off with '85-'87, maybe '88.
May I ask why, please?
 
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Old 01-30-2024, 05:31 PM
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Tommaso,

All the standard 6 litre cars are of the big-bumper era. And even the earlier JaguarSport XJR-S 6 litres have the big-bumper bodykit.

Don't try and convert a big-bumper car to rubber bumpers. Even the wings are different.

I've got an early 5.3 Coupe and a late 4.0 Convertible. I love the purity of the early design but I have to say, the late facelift big-bumper cars are better built and better equipped. V12s are much rarer though than 4 litres.

If you don't like Convertibles or big-bumper cars, buy a facelift 5.3 Coupe. Good value at present compared to very early or very late cars.

Cheers

Paul
 
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Old 01-30-2024, 08:37 PM
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Originally Posted by ascanio1
May I ask why, please?
If we are going to follow Dr. Greg's advice and choose a car that has Lucas ignition and no ABS, that means a car before US model year 1989. The later ABS systems were better, so a facelift car is less of a risk. Again referring to Greg's advice to avoid the early TEVES system. Now, the complication of US model years compared to actual build dates confuses things, but as both the Marelli ignition system and ABS were MY '89 features, a car built before the middle of 1988 should be safe.
 
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  #14  
Old 01-31-2024, 05:12 AM
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Good morning, Paul,

Originally Posted by ptjs1
All the standard 6 litre cars are of the big-bumper era.
Wikipedia is often wrong, and the Italian Wikipedia more so... however, it suggests that for a very small period, from when the 6.0 litre was initially introduced, in May 1993, to September 1993, the 6.0L retained the metal bumpers. Only from then (Sep 93) on were the plastic bumpers adopted, until the end of the production.

From this https://it.wikipedia.org/wiki/Jaguar...XJS_(1991-1996) website (google translation):
"In 1992 the 5.3 liter V12 engine was also enlarged to 6 liters (from Model-Year '93), first mounted on the XJR-S (330 bhp) and only from May 1993 on the historic XJS (308 bhp), initially with the historic GM-400 gearbox, and only later with the more modern GM 4L80-E, 4 speed, gearbox with electronic management, still exploiting the Lucas/Magneti Marelli injection system already equipped with an OBD control socket. The rear brakes were moved from the inboard configuration, next to the differential, to the wheel hubs. From Model-Year '94 (which production began in September 1993), the main aesthetic review consisted in the adoption of flush bumpers, of the same color as the bodywork. These replaced the classic rubber over chromed steel."

If the Italian Wikipedia were correct, which may not be, then between May 1993 to September 1993 it was equipped with the 6.0 litre AND the classic rubber over chromed steel bumpers (some with a 3 speed gearbox, some with a 4 speed gearbox).

If correct, then this is the XJS that I would like to own.


Originally Posted by ptjs1
Don't try and convert a big-bumper car to rubber bumpers. Even the wings are different.
Thank you! Good to know, I was looking for this information.

Originally Posted by ptjs1
If you don't like convertibles, or big-bumper cars, buy a facelift 5.3 Coupe. Good value at present compared to very early or very late cars.
Yes, I prefer the rear lights and the rear side window shape. But, if wikipedia were correct, I would prefer the 6.0 litre.


Good morning, Gareth,

Originally Posted by garethashenden
If we are going to follow Dr. Greg's advice and choose a car that has Lucas ignition and no ABS, that means a car before US model year 1989. The later ABS systems were better, so a facelift car is less of a risk. Again referring to Greg's advice to avoid the early TEVES system. Now, the complication of US model years compared to actual build dates confuses things, but as both the Marelli ignition system and ABS were MY '89 features, a car built before the middle of 1988 should be safe.
So, for me, this would mean either before mid 1988, or after the '91 facelift but before Sep '93 (with rubber over chrome bumpers) and, best of all, between May and Sep '93.



PS: can someone point me to the forum page that explains how to modify the fonts (underline, italic, bold, etc)?

.
 

Last edited by ascanio1; 01-31-2024 at 05:25 AM.
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Old 01-31-2024, 07:00 AM
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Tommaso,

If that's what Wikipaedia says, then I am afraid it is wrong.

The factory 6 litre engine was introduced in Mar 1993 at VIN 188105. At this point, the GM 4L80-E gearbox was also introduced, as were the big-bumpers.

In September 1993 at VIN 190528, the outboard rear brakes were introduced.

In April 1994 at VIN 194775, there was a major revision with the intro of the AJ16 4 litre engine, integral headrest seats and other changes. (US cars may have had the integral headrests earlier?)

In October 1994 at VIN 198335, the revised Teves IV system was introduced.

So, be wary on the spec changepoints and what that means for you.

- ALL 6 litre cars have big-bumpers and the GM 4L80-E gearbox
- Inboard brake cars may have better weight distribution, but outboard brake cars are much easier to maintain
- Most facelift cars (and big-bumper cars) have the original Teves II system. It only changed for the last 18 months of production after October 1994.
- Hardly any 6.0 Coupes were produced after 1994. Only 59 Coupes were made worldwide in 1995 and none for public sale in 1996.

So, if you want a 6 litre Coupe, it WILL have the GM 4L80-E gearbox, big-bumpers and almost definitely the early Teves II brake system, You will really struggle to find a 6 litre Coupe with the later system.

As regards the Teves II system, you may have read of problems experienced in the last few years by some owners, and that naturally concerns people. Unfortunately a number of those problems result from poor maintenance (not changing the fluid every 2 years etc). So be aware. The reality is that most surviving XJS probably have that system. I've had my 4 litre for 20 years and have never experienced any of the problems encountered by some people. Maybe I've been lucky?

Cheers

Paul

PS As regards font changes, the icons for Bold, Italic etc are at the top of the box where you are typing your posts.
 
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Old 01-31-2024, 07:58 AM
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I know of two late 6.0 coupes in Alabama, USA, both with the Teves IV system. One of them is mine.
 
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Old 01-31-2024, 08:05 AM
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Thank you, Paul,

It is remarkable the wealth of knowledge that this forum offers! The editor was turned off by default, in my account options, I turned it on, thank you!

For the benefit of everyone I will edit the Italian Wikipedia, with the information that you provided me, and you might want to do likewise, with the English page.

I dislike plastic bumpers more than I love the new rear window shape and tail lights, so the facelift model is out! I will have to find the pre-facelift model that I prefer. It will be the V12 and FHC, but I am not familiar with all the different iterations so I was wondering if there is a webpage that shows all the various models, through the years? And is there a yearly Jaguar rally, in England, so that I may see every XJ-S close up?

Also, unless a particular fault were so prevalent and recurrent (Triumph Stag cooling system?) that it would become silly to invest in that model (having alternative versions that the Stag does not offer) then I am thinking to not worry too much about which is the most reliable version, and let personal taste lead the way. I hope that I am not being too cavalier!

Ciao, Tommaso
 

Last edited by ascanio1; 01-31-2024 at 08:11 AM.
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Old 01-31-2024, 08:58 AM
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You have my deepest sympathy. I know what it’s like to have such an affliction. I’m afraid it’s terminal
Mine began at age 14 when riding my bicycle I noticed a race car ( later discovered it to be the BLACK Jack Special). ( Jaguar based)
Since then I’ve deeply felt that any Jaguar driven on the street is akin to buying the Kentucky Derby winning horse and have it pulling a plow for the rest of its life.
I’m now on my way to 76 and building an XJS tribute to Group 44’s Championship winning race car.



 
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Old 01-31-2024, 09:04 AM
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You will find that as the condition gets more serious owning 1 is simply not enough. Someday after polishing and waxing the firewall for the second time this month. Another will catch your eye.
Monogamy be darned! That is the real beginning of the end. From that point on, you don’t have to look for them, they will find you. Budgets and income limitations won’t matter, nor will space or anything close to practical.
 
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Old 01-31-2024, 09:48 AM
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Tommaso,

As I'm sure you know, the bulk of XJ-Ss (You're now looking for a pre-facelift so it's an "XJ-S", rather than an "XJS"!) were exported to the US. So the US culture of wanting a revised car each year meant that minor changes were introduced to the XJ-S every year.

However, fundamentally the XJ-S didn't really change form the intro of the HE at the beginning of 1981 through to late 1988. Yes, there are wheel and trim and other changes, but it's basically the same car.

In 1988, ABS & the Marelli ignition system was introduced. And then the car started broadly the same until the facelift in 1991.

Opinions will vary as to what car is preferrable in terms of quality and ease of maintenance. It would be too easy for me to say to got for one of the later cars as they are better equipped and, arguably, better built. In reality, you should probably go for the best-condition, best-maintained car you can find, irrespective of year. As you probably already know, there is no such thing as a cheap XJ-S. You either spend the money on purchasing it, or you spend the money on sorting out a cheap car! I know which option I would choose! A poor condition XJ-S can be a VERY expensive proposition!

Have a look at this website to see 000's of different XJ-Ss: https://www.xjsdata.com/

If you want to go to the UK for a Jaguar event this year, drop me a PM with your email and I'll send you details of a couple of key events.

Cheers

Paul
 
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