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  #1  
Old 06-13-2012, 05:23 PM
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Default Best engine on a DII......?

Greetings,

Looking for an add-on to my Land Rover family ( 99' DII SE7, 99' RR HSE, 95' LWB, 94' LWB, 66' LWB):

I am looking for either a 2002 or a 2004 DII, in stock configuration. I've had a great experience with my 99' DII with its 4.0L engine ( and 175K miles); not so good with my RR HSE with the 4.6L engine ( and only 75K miles).
From the obvious differences aside, what is the best engine, the 4.0 or the 4.6........?

Case #1:

Upon arriving back from Iraq in late 09', the wife was adamant about having a last-year DII with the newer front-end. I told her I'd let her have my 99' DII ( which was nearing 160K by then), but she was set on one with low miles.

I found a very clean 04' SE with 40K miles down in So Cal. Price was up there ( $14K), but I figured with the low miles, what could go wrong, right..?
WRONG!

One-owner car, owned by a somewhat famous "jazz musician" ( I will not mention names), out of Beverly Hills. Supposedly always maintained by LR of Encino ( never got the purported records, even after going to court), so all hunky-dory.

About 150 miles north of Santa Monica, around 150 after i had set the trip odometer to 0, all of a sudden ALL the warning lights light up, crank noise, lifter noise, etc, etc).
Well, figure out the rest.
10:30 at night with the wife in the car, and in the middle of nowhere.

CASE #2:

99' Range Rover HSE, 68K orig. Babied, minimally driven. Put about 6K in three years. Head gasket pops. No problem. Get it fixed for $2K. Less than 1000 miles later, pops again ( it had blown hoses before, twice).

So much for my 4.6L experience.

Finally, My 99' DII with now 175K miles, with its 4.0L, has taken me to Ft Lewis in WA five times, three times to Ft Bragg, NC, once to Ft Campbell, four times to Los Alamitos. NOT a glitch.

So the million dollar question..........4.0 ( 2002 DII), or 4.6 ( 2004 DII)..?

ALL and ANY input would be most definitely and most seriously considered before I fork out the cash for another~!

Much obliged.
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  #2  
Old 06-13-2012, 06:02 PM
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I'd say the 4.6L is the better engine, the fact that the 04 D2 was owned by some one famous AND that the service records were not available would have set off alarm bells in my head. I'd bet the farm that that Disco wasn't maintained correctly (if at all) and that's why the engine died on you.
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2004 Disco II "Dagga Boy" 84k miles
Mods: Coild Spring conversion/2 inch lift|Rovertym front and rear bumpers|Steel rims and 32's Wrangler MT tires|RN Hood blackout|Prop shaft rebuilt|Ultra Gauge installed|Mantec Snorkel Installed.

Northeast Land Rover Club
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RAVE tech manuals available at http://www.landroverresource.com/

Dagga Boy: The Zulu term for a solitary large old male Cape Buffalo that spends all day wallowing in the mud.
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  #3  
Old 06-13-2012, 06:07 PM
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My vote goes to the 4.0
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2003 SE7-- 2" Terra Firma lift, 275 70 18 Toyo Open Country tires, ARB Sahara bar with 12k lb winch, HID headlights, Double DIN satnav stereo

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  #4  
Old 06-13-2012, 06:57 PM
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Quote:
Originally Posted by thebloody View Post
I'd say the 4.6L is the better engine, the fact that the 04 D2 was owned by some one famous AND that the service records were not available would have set off alarm bells in my head. I'd bet the farm that that Disco wasn't maintained correctly (if at all) and that's why the engine died on you.
Correct. Big pockets do not necessarily mean well maintained.
The douche swore up and down that he had all the records; even after taking his hide to court ( in Ca, he was supposed to have the car smog certified; he didn't), he STILL did not produce the alleged records.
I even had it on paper, yet the judge did not seem to pay attention. Hey, I won, and was awarded $216, on $6000 worth of repairs. Talk about justice).
BUT,
At 40K miles...? We barely drove 150 miles, and it dies?

And the 99' RR HSE with 75K, and it pops a gasket again, less than 1000 miles later?
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  #5  
Old 06-14-2012, 08:44 AM
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...you get back from Iraq and the wife wants a new front end. go figure. what men must endure.
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  #6  
Old 06-14-2012, 10:56 AM
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Quote:
Originally Posted by slanginsanjuan View Post
...you get back from Iraq and the wife wants a new front end. go figure. what men must endure.
.....It probably would have been cheaper to do "that" front end....
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  #7  
Old 06-14-2012, 11:10 AM
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I'd say the 4.6 if someone ran 15w-40, mobil 1 oil filter, 180 thermostat, and green coolant since the beginning of the motor's life. Otherwise the 4.0 seems to consistently have less problems.
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2003 Discovery II SE

Upgrades:
HID head light bulbs
2" Terrafirma shocks and springs, MED kit,
TF steering damper
Rebuilt Drive Shaft
275/65/18 BFG A/T TKO's
Ladder
Half Rack/lights
180- Motorad Thermostat


Repairs:
New HG's, intake-U/L, valve cover and exhaust gaskets, new spark plugs, green coolant, transmission service, heater core, purge valve, coil packs, tensioner pulley

140,000 miles
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  #8  
Old 06-14-2012, 11:43 AM
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DGI 07
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And just to be that guy, option 3. The TD5.
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2013 Mercedes Benz C300 Sport (Hers)

Land Rover guys are starting to get like Jeep guys. Go figure.
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  #9  
Old 06-14-2012, 01:51 PM
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4.0.
4.6 2003 lets the sleeves go and they whack the head gasket at times.
4.6 2004 to be trusted??

4.0 has thicker casting and I don't think that the cylinder sleeves will let go as easily.

Of course, if you have a 4.6 in the truck already, the ECU and firmware in it -
the fuel map is all tuned to a 4.6. So, you would be into more than just changing out the engine.

And, the ECU is mated to the BCM I think and you just can't change it out.

So, easy way out -is stick with what is in your DII.
You will be into a lot of $ changing engines displacements due to the additional work
with the ECU.


I would love to put a Diesel into one. But, that is not easy.
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  #10  
Old 06-14-2012, 02:22 PM
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Quote:
Originally Posted by CPTLOU View Post
Correct. Big pockets do not necessarily mean well maintained.
The douche swore up and down that he had all the records; even after taking his hide to court ( in Ca, he was supposed to have the car smog certified; he didn't), he STILL did not produce the alleged records.
I even had it on paper, yet the judge did not seem to pay attention. Hey, I won, and was awarded $216, on $6000 worth of repairs. Talk about justice).
BUT,
At 40K miles...? We barely drove 150 miles, and it dies?

And the 99' RR HSE with 75K, and it pops a gasket again, less than 1000 miles later?
He could have overheated the engine, not changed the oil ect... that could easily happen within 40k.

In terms of the RR, did you get the heads redone and new hoses installed when the head gasket was changed? If the gasket was just changed and the heads were warped then yes a gasket will probably only last 1000 miles.
__________________
2004 Disco II "Dagga Boy" 84k miles
Mods: Coild Spring conversion/2 inch lift|Rovertym front and rear bumpers|Steel rims and 32's Wrangler MT tires|RN Hood blackout|Prop shaft rebuilt|Ultra Gauge installed|Mantec Snorkel Installed.

Northeast Land Rover Club
www.nelrc.com

RAVE tech manuals available at http://www.landroverresource.com/

Dagga Boy: The Zulu term for a solitary large old male Cape Buffalo that spends all day wallowing in the mud.
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Old 06-14-2012, 02:22 PM
 
 
 
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40, dii, discovery, engine, filter, land, liter, making, mobil, oil, package, performance, ro, rover, steel, stick, stop, wheels, year


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