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2.1L Turbo Diesel XJs... Just how badly do you want them???

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Old Dec 20, 2012 | 04:20 PM
  #16  
Cyriac's Avatar
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From: Toulouse, France
Year: 1990 Diesel
Model: Cherokee
Engine: 2.1L Renault "J8S"
Default The figures...

Well... you don't seem to be the same bunch who drool on my videos saying you'd give your left nut just to have a stock diesel XJ!


lol

But jokes apart:
In a diesel XJ you get basically the same configuration since the torque is roughly the same. I'm not sure about gearing but it's the same D30 and D35 combo (D44 as an option so very rare, nobody needed it!) with the same NP231 TC though someone somewhere told me that some models came with a reinforced TC... Not sure about transmission but it is probably an AX-5.



Note that diesel XJs were very popular here and are equally as common in 2-door or 4-door body styles.

The power figures leave somewhat to be desired for the 2.1L matching the earliest carburated 2.5L AMC in torque but only has 85hp (@3750rpm). The later VM 2.5L boasts the same torque as the 4.0 despite the 2 less cylinders. It therefore gets much better mileage than the inline 6 and because of that makes it a theoretically better choice for wheeling. But that's up to personal preference...

You get a stock turbocharger manometer instead of a voltmeter on the dash, that's it for the interior.



I started this thread because I was wondering if there was an export business opportunity to be taken. But the currency exchange rate would work against me and the price of shipping alone is 4 times the premium some of you would be willing to pay! That's also not including the purchase price of the XJ here which is twice the price of a Cherokee in the USA (not accounting for exchange rates).

So all in all, not a good plan for either of us!

Last edited by Cyriac; Dec 21, 2012 at 04:39 AM.
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Old Dec 21, 2012 | 01:27 PM
  #17  
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Yea if you were going to do it you should've hopped on when gas prices were higher than diesel and everybody and their mom wanted a diesel. You probably could've made some coin then.

Anyways, if you did import (export) to the US, wouldn't all the gauges be metric?
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Old Dec 21, 2012 | 01:34 PM
  #18  
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I wouldn't mind have a Celsius water temp gauge. Would be kinda cool.
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Old Dec 21, 2012 | 03:56 PM
  #19  
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From: columbus oh
Year: 2000
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Engine: 4.0
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Iv seen two 4bt diesel wronglers floating around ohio. They did well from what i saw but more of a novelty to considering what can be done with the 4.0
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Old Dec 21, 2012 | 05:02 PM
  #20  
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From: Toulouse, France
Year: 1990 Diesel
Model: Cherokee
Engine: 2.1L Renault "J8S"
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Originally Posted by DieselD
Yea if you were going to do it you should've hopped on when gas prices were higher than diesel and everybody and their mom wanted a diesel. You probably could've made some coin then.

Anyways, if you did import (export) to the US, wouldn't all the gauges be metric?
All the guages? You'd only have temperature and the speedo... And believe me, it's a challenge getting to 80mph so you needn't worry about that! If you really want to know, learn the equivalent! I know what 80 mph is off the top of my head! :-P

Also the temperature redline means the same thing! And generally, you don't want the needle to go over than halfway up! ;-)

Well it seems as though you don't want them!
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Old Dec 22, 2012 | 11:51 AM
  #21  
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*

Last edited by Kuffar762; Oct 24, 2014 at 11:21 PM.
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Old Dec 22, 2012 | 04:29 PM
  #22  
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Year: 2000
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Originally Posted by Cyriac
Just how badly do you want them???
To be honest: as much as I want any pustules on my private parts.

The 2.1 is underpowered and the 2.5 has serious thermal problems. And when you hit the skinny pedal they start to get really "hungry".

And prepare to buy new heads for the 2.5 every like 50-70k miles.

Last edited by BlueGerbil; Dec 22, 2012 at 04:31 PM.
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Old Jan 10, 2018 | 12:35 AM
  #23  
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Default Selling a 1986 Turbo Diesel Jeep Cherokee XJ 4x4

I just dont have a price in mind yet but it has 240k original miles, decently straight body, clean title, 4x4 hi and low both work good. Any thoughts? Think its the 2.1 Renault engine and the only turbo diesel 80-90s body I’ve seen in the entire country, I’ve scowered CL and eBay, have yet to find one out there
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Old Jan 10, 2018 | 07:42 AM
  #24  
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From: Arkansas
Year: 1987 & 1996
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Engine: 4.0
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I want to do a diesel conversion, but want a Mercedes OM617 five cylinder turbo.
There is issues to overcome like oil pan axle clearance.
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Old Jan 10, 2018 | 03:34 PM
  #25  
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From: Andover, VT
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Honestly, I wouldn't buy one, regardless of condition. I love my Jeep because it has proven to be bulletproof. Simple, robust design that works. From what I've read, that is not the case with the diesels. I'm a Jeep guy, not a vintage car collector.
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Old Jan 20, 2018 | 07:54 AM
  #26  
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Originally Posted by Caish
I want to do a diesel conversion, but want a Mercedes OM617 five cylinder turbo.
There is issues to overcome like oil pan axle clearance.
The problem is easy to fit http://www.mercedesdiesel4x4.com/category_s/1834.htm
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Old Aug 3, 2025 | 10:52 PM
  #27  
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Default 2.1

Originally Posted by Thoranlee Colinares
I just dont have a price in mind yet but it has 240k original miles, decently straight body, clean title, 4x4 hi and low both work good. Any thoughts? Think its the 2.1 Renault engine and the only turbo diesel 80-90s body I’ve seen in the entire country, I’ve scowered CL and eBay, have yet to find one out there
I have one from a 1987 Jeep I bought with 134k km currently have it installed in my 1998 Toyota 4Runner,
been thinking about removing it for a 1.9l alh and selling the 2.1l
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Old Aug 13, 2025 | 07:28 PM
  #28  
devotee's Avatar
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From: Grosse Ile MI
Year: 1986
Model: Cherokee (XJ)
Engine: Renault J8S 2.1 turbo diesel
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Not too many of the J8S 2.1TD's out there anymore. I've had several OM 616 and OM617 engines over the last 20 or so years. I like the power to weight of the J8S. Aluminum block and head with a unibody (AMC) XJ. Rare indeed.
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