1990 463 603 Diesel died... Which new engine with more HP? HELP!

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jantie
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Hi, i hope you guys can help.

My W 463 1990 Diesel 113HP 4 speed Automatic has died. I want to put in a new engine that has more horsepower since im living on Mallorca, Spain where there are hills and mountains. The 603 that was in it just didnt have enough. 

What is the best option getting more horsepower but that doesnt require changing transmission or other big changes.

Any help will be greatly appreciated!!!

Thanks a lot in advance!

Jantie

g wagon g
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Re: 1990 463 603 Diesel died... Which new engine with more ...

om 606 fits straight in but its not that simple to be honest

There are lots of little mods that need to be done and decide if electronic or manual pump conversion is needed


Manual you will pay a grand or so to have pump modified

Electronic is change all wiring off an e300 td


If you fit this motor you will feel like you have 3 times more power and better fuel economy too

Sounds like its too good to be true but it is true

                                               Gaz

jantie
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Re: 1990 463 603 Diesel died... Which new engine with more ...

 

Hi Gaz,

Thanks a lot, i heard about the 606 but i have no knowledge at all about a job like this.

Is there any easier solution, i dont need a lot more power.

Thanks for the help and quick response!

Jantie

 

gooch
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Re: 1990 463 603 Diesel died... Which new engine with more ...

G350td work really well, try and get one from 94-96 version as the early ones are troublesome. 

Try german ebay and a few breakers in the Netherlands should be able to help you out.

regards

g

jantie
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Re: 1990 463 603 Diesel died... Which new engine with more ...

The thing is, in Spain you can not just change an engine, you need to have a whole bunch of paperwork and an engineer that changes it for you. If i go much higher on emmission its doenst go through the yearly inspection.

Someone recommended me also the 603690(or 693) turbo of a w124 with 147 HP. Preferably the 1987 version, why that version i dont know.

JASONGDS
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Re: 1990 463 603 Diesel died... Which new engine with more ...

I presume your G left hand drive? 606 must be easier if LHD? Also presume if properly set up less emissions than a 603?

 

jantie
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Re: 1990 463 603 Diesel died... Which new engine with more ...

Yes its a LHD. What would i need to put a 606 engine in?

Russ280
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Re: 1990 463 603 Diesel died... Which new engine with more ...

If you're not too bothered about loads more power you could go for a normally aspirated 606, good for around 140bhp if you open the injection pump up.

 
Way easier than the 606 turbo but still needs lots of small alterations / mod's.
 
It already has a mechanical pump.
603 sump fits.
Oil pump and pickup need changing.
Water pump needs swapping.
Thermostat housings changing.
Air intake / induction. Who knows I'm still trying to figure this out.
Multiple vacuum hoses to remove /'re route. I think there's maybe 12 of them associated with egr and intake resonance flaps.
Removing emission control crap.
Temp sender and glow plug control.
 
I'm sure there's more that I've missed but this is the easy end of the scale compared to a turbo 606 especially when you factor in the auto box. (Mine is a manual getrag gearbox).
 
It's worth it though compared to a worn 603.
Russ280
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Re: 1990 463 603 Diesel died... Which new engine with more ...

I guess they recommended that version of the 603 turbo as certain ones suffered cracked cylinder heads.

 
I guess if you could find one that would be the easiest swap. The 606 is a far nicer engine though.
jantie
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Re: 1990 463 603 Diesel died... Which new engine with more ...

Thanks a lot Russ. Great help. Do i also need a new transmission/gearbox with a 606?

Arnie
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Re: 1990 463 603 Diesel died... Which new engine with more ...

The auto transmission is certainly good for 170 BHP, as that is what the M103 produces on the G300E of same vintage, with same transmission.

 

Russ280
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Re: 1990 463 603 Diesel died... Which new engine with more ...

No it will fit onto the 606.
Difficulty will be around matching the auto box change up / down and kick down I guess.
The vacuum and the connection to the throttle linkage will be tricky.
As I say mine was easy as it has a manual box.
The torque characteristics of the 606 is different so it may not be quite "right" when mated to your auto box. Plenty of people have done this though.
If you're feeling adventurous / confident you could transplant the e class auto box but this would either require an after market electronic controller or some who can separate the e class ecu's.
 

jantie
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Re: 1990 463 603 Diesel died... Which new engine with more ...

Hehehe, i dont feel adventurous / confident at all with any setup since i dont know nothing about the subject. I have a mechanic here in Spain that has to do it but i dont want to take a risk, i  want the car up and running as soon as possible and with any improvement in HP i would be happy. 

So what would be the easiest solution besides putting another 603 113 HP in?

Russ280
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Re: 1990 463 603 Diesel died... Which new engine with more ...

In order, easy to hard IMHO:

603
603 turbo
606 non turbo.  big jump in "hardness"
605 turbo
606 turbo. Next big jump in "hardness" but probably the holy trail and easy to get 200Bhp. If you have the money and knowledge 500bhp+
gooch
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Re: 1990 463 603 Diesel died... Which new engine with more ...

Buy another g-wagon??

lol

LEONIDAS
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Re: 1990 463 603 Diesel died... Which new engine with more ...

If extra power is what you need, perhaps you might consider fitting a 300e (103- Output 128 KW without cat and 125 with cat)  petrol engine. There are plenty reconditioned  engines  around.  Your old 603 is only rated at 83 KW.

jantie
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Re: 1990 463 603 Diesel died... Which new engine with more ...

Thanks Leonidas but thats a gasoline engine right?

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Re: 1990 463 603 Diesel died... Which new engine with more ...
The best way forward is 606, you could get a cheap uk e300 and use 606 out of it as per electric/mech i/p its personal preferance but problem is ur on an island off spain to find someone with knowledge ?
jantie
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Re: 1990 463 603 Diesel died... Which new engine with more ...

Does anyone has an idea what time a good mechanic would take to put in a 603 Turbo 140 HP?

Russ280
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Re: 1990 463 603 Diesel died... Which new engine with more ...

If they have the right competence, facilities and don't hit any issues 10hrs.

LEONIDAS
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Re: 1990 463 603 Diesel died... Which new engine with more ...

jantie wrote:

Thanks Leonidas but thats a gasoline engine right?

 

Yes it is. I don't think it will make much difference on the fuel consumption, but power wise it will.  These are very reliable engines without too many gismos and electronics . Thus very easy to service . Due to the age you might be able to get away without a catalytic converter. Perhaps it may be cheaper to buy an old w124 car and transplant the works ???

jantie
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Re: 1990 463 603 Diesel died... Which new engine with more ...

Russ, i can buy a 1989 603690 engine with 280k. What else do i need to buy or change beside the engine?

Russ280
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Re: 1990 463 603 Diesel died... Which new engine with more ...

As you already have a 603 you already have the G specific parts:

Sump
Thermostat housing
Water pump
Engine mounts.
 
The air intake is on opposite sides of the engine so your mechanic will need to figure that out. A cheap cone filter off ebay will work as a temporary get it running fix. Some use a 460 filter but your ABS pump is in the way.
 
280k km is a lot though, are you sure it's a sound engine?
 
Google 603 turbo cracked heads, there are certain serial numbers to avoid.
Russ280
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Re: 1990 463 603 Diesel died... Which new engine with more ...

I don't know but it may have egr valve and other emission control stuff. You can chuck that away.

 

I'm assuming you are talking about a turbo 603.

jantie
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Re: 1990 463 603 Diesel died... Which new engine with more ...

Ok thanks a lot. Yes i am. The engine i can buy has been running till today but should i open it up and renew parts?

Russ280
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Re: 1990 463 603 Diesel died... Which new engine with more ...

I honestly don't know. Some low mileage engines are in poor health, high km's don't necessarily = poor condition.

 
How was the oil pressure? At idle when cold it should be 3 bar plus. Fully hot it should be around 1.7 minimum, 2 bar preferably. By 1k rpm it should be back to 3 bar plus.
 
Other than that I can't say anything from a distance.
 
Oh and you need to swap the oil pick up from your 603.
Russ280
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Re: 1990 463 603 Diesel died... Which new engine with more ...

If the engine is in a car can you buy the car? If so you can the run it in the car for a few days before you commit to the swap. Then sell the car for spares.

 
That's what I did which meant I knew I had a good engine and the price I sold the car for meant that I had virtually a free engine.
jantie
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Re: 1990 463 603 Diesel died... Which new engine with more ...

Ok cool, which engine did you put into which G(year)?

Russ280
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Re: 1990 463 603 Diesel died... Which new engine with more ...

A 606 into a 463 1992.

 
I have the same issue wrt the air intake. For now it's just got a cone filter on. I don't like it but it works OK until I have time to replace it with something more mb like.
 
Mine is manual so maybe easier.
jantie
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Re: 1990 463 603 Diesel died... Which new engine with more ...

Thanks Russ, i have send you a PM. Let me know please. Thanks!

prwales
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Re: 1990 463 603 Diesel died... Which new engine with more ...

the w124 e300d with the non turbo om606 engine is quite sought after so might not be the cheaper option, the w210 cars with the turbo 606 are generally regarded as junk [not the engine just the car] and can be bought very cheaply

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Re: 1990 463 603 Diesel died... Which new engine with more ...
Ola Jamie. Thought I'd pitch in.I got some experience of the engines you mention. I have fitted a 606 turbo engine to an autobox lhd car. Mine was a g350. I would only go for the 606 turbo option if you can.gear change is fine with autobox. You can adjust the modulator on the side of the box so it revs up easier.(606 love's revs.).I posted the torque and power graphs here of 606 factory turbo and g350.no comparison. Having driven mine for about 6 months I can say that once it's tune well (timing and alda setup right) you don't even need an upgraded pump for power. It's a big job but it really is just swapping parts from one engine over to another. Just go through the list and you can do it but not quickly.D
jantie
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Re: 1990 463 603 Diesel died... Which new engine with more ...

Thanks a lot Montreal, the problem is that i can not find nobody here on Mallorca, Spain that can do the job, only on the mainland...Does anyone have an idea?