viability of dropping diesel engine into a Jaguar?

Delica98 · #1 (**permalink**) 8th April 2009, 09:45 PM

Here's and idea: how about dropping a diesel engine into a Jaguar? Is this viable or just a pipe dream?

I like Jags but i'd only own one if i could run it on Bio!

If it's do-able, what would be a suitable diesel engine?

Tony From West Oz · #2 (**permalink**) 9th April 2009, 12:30 AM

How much money do you want to spend?
What are YOUR abilities in mechanics and fabrication?
What engine do you know of which would give the performance that would suit the Jag you have in mind?

ANything is possible with money time and sweat.
Just remember that the diesel engine will be comparitively heavy and significantrly lower powered than the original engine.
You coiuld be making an expensive mistake.
Tony

Nuddy · #3 (**permalink**) 9th April 2009, 10:32 AM

Quote:

Originally Posted by Dave Jones

Dellow do the conversion kits for Chev into jag and I'm pretty sure the engine mounts and gearbox bolt patterns are the same with Diesel so the kits should be compatible but look them up and ask. They do adaptor plates and kits for all manner of unlikely matchups so I'm sure they would know. The other place that -may- be able to help you and are big on this type of thing is Castlemaine Rod Shop.

Brunswick (as Dave mentioned) are the guys that do heaps of the chev diesel conversions. Dellow and Marks both do adapters and kits etc.
Could use a GM auto box instead of the original (weak) jag box so wouldn't need to adapt engine to box, just set up engine mounts and gearbox mounts and have the chev front of tailshaft fitted to jag shaft.
Should be a fairly simple conversion, much simpler than going the other way. Would be able to ditch all the complicated and unreliable (Lucas) electronics associated with the petrol engine.
Sounds like an excellent proposition if you like jags. I worked (as a mechanic) at a jag specialist in 1974 and 1975 - I don't like em.

neil · #4 (**permalink**) 12th April 2009, 11:43 PM

Whats your time frame??............ If its like mine.

If you can wait 10-15 years you might pickup a nice s-type R diesel.
Been out about 5 years now.

Used JAGUAR S-TYPE X204 MY2006 Luxury 2006 - New South Wales - CarPoint Australia

Tygar · #5 (**permalink**) 17th April 2009, 07:07 PM

The 2.7L twin turbo diesel was co-developed by PSA & Ford (current owners of Jag). So you will also find this power plant in Peugeot 407 SV HDi, the new Citroen C5, and Land Rover Sport? (not sure which one).

The 2.7 diesel is a fraction lower in power than the Pug 3.0l V6 petrol but loads more torque and generally seen as the superior choice between the two.

As for power, the 2.7l develops about 155kw & 440nm compared to 160kw & 596nm for the (old) Chevy 6.5l
With the modern twin turbo being less than half the capacity of the Chevy, that has got to result in less fuel consumption and a lighter engine.

Nuddy · #6 (**permalink**) 17th April 2009, 11:51 PM

Quote:

Originally Posted by Tygar

As for power, the 2.7l develops about 155kw & 440nm compared to 160kw & 596nm for the (old) Chevy 6.5l
With the modern twin turbo being less than half the capacity of the Chevy, that has got to result in less fuel consumption and a lighter engine.

Half the capacity and same power (near enough) results in one tenth the reliability. E.G Nissan (Renault) ZD30.
And look at the torque comparison. Torque is the significant factor.
Lots of revs and not much torque still gives a high power figure. Most engines can achieve higher power figures just by increasing max' rpm - at the cost of reliability.

Doctor Mark · #7 (**permalink**) 20th April 2009, 12:46 AM

Quote:

Originally Posted by Dave Jones

Nothing is heavier or more underpowered than a Jag engine.

...except for the 6.5L Chev diesel...

Quote:

I know the Chevy Diesels both NA and Turbo into landcruisers are a popular conversion but I dont know if they only do originaly Diesel models or petrol Versions as well

That's true. And then the next conversion they do is to take it back out and put the original motor back in.

You'd reckon a 6.5L diesel would have a heap of grunt, right? Not so in the case of the chev. Log onto most 4WD forums and you'll find that there is usually a thread devoted to people that have put these monstrosities in their 4WD and are tryting to solve all the problems they have.

Foremost among these is overheating - there are whole threads devoted to how to stop one of these things overheating - and that's all after you've spent 20K for the conversion...

Most people with Landcruisers that want to upgrade their 1HZ motors are very quickly talked out of a Chev diesel and go for an aftermarket turbo instead - and those in the know say that a 1HZ turbo outperforms a Chev anyway..

Have a hunt around this forum:

Australian 4WD Action Online Forums - the 4WD, 4x4 and offroad truck community. Get the latest tips, news, reviews, images and video clips. - Powered by vBulletin

And while you're there, go to the buildups/projects section, where people discuss customised mods. As Tony is intimating, I don't think you have any idea how much work and $$ is involved.

Without substantial engineering/mechanical resources at your disposal, I doubt that it;s feasible

Doctor Mark · #8 (**permalink**) 20th April 2009, 09:36 PM

Quote:

Originally Posted by Dave Jones

Unsurprisingly, having a search through the link supplied shows nothing like any position among the 4Wders to support the above comments.

Yes, there are overheating issues which seem to be caused in the main from people fitting the wrong water pumps which turn the wrong way when rebuilding the engines and when running radiators that are too small. People like Brunswick and Marks seem to be well aware of the problems and the fixes.

What I found is that once the teething problems anyone gets with such a conversion are rectified, the owners of these vehicles seem very happy with them to the point of saying after they have fixed the problems, that they would certainly do the conversion again.

As for cost, big difference in converting a 4wd and a Jag but of course one would find out about this before spending any money and could work it out on a cost / savings/ enjoyment basis. I sure as heck wouldn't spend 20K on an engine for a 4wd but obviously plenty of other people do and would happily do it again.

People obviously should do through research before undertaking such a project so they can educate themselves to know what the real issues are and what is a load of rubbish espoused by Pelicans that fly into forums, crap all over the place and it's members then fly off till they get bored enough to come back and repeat the same pathetic behavior.

Did you plough through this thread?

Chev 6.5L Diesel Engine Tips and Tricks - Australian 4WD Action Online Forums - the 4WD, 4x4 and offroad truck community. Get the latest tips, news, reviews, images and video clips.

If you're prepared to go to the lengths that those blokes do, just to stop your motor overheating, then good luck to you. But also there are many negative comments about this motor scattered through various forums as well. Do a search and you'll get more hits than you have time to investigate.

But my comments are not just based on this forum, but personal opinions from several people I've spoken to. The general view is that the only people that persevere with these motors are those that have spent the $$ and it's too late to turn back. Like any motor (or car) they have their devotees, who love 'em, but the general view is that they're more trouble than they're worth.

Few people that does their research puts one of these things in their 4WD. Why don't you ring up a couple of 4WD shops and tell them that you have a Landcruiser and you're considering putting a 6.5 Chev in it? You'll find it instructive.

lardy · #9 (**permalink**) 3rd June 2009, 12:26 AM

as jag lumps are being dropped in range rover i wonder if you can stick a 300 tdi lump from a disco or defender in as they related

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