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My W123 with om605 turbo
Dieseeelstar Offline
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Location: Sweden
#1
My W123 with om605 turbo
Hello! so i bought this w123 and my goal was to have a cheap and reliable daily driver, so i decided to find a om605.
Sadly i dont have many pictures throughout the project since everything was pretty easy and straight forward surprisingly, but i will try to help you guys if you have any questions.


   
Engine

   
Engine

   
Driver side engine arm from 601 makes a perfect fit

   
Passenger Side Also from 601 fits perfectly

   
And a bad picture of the car atm.

Im thinking about turboing it but were is the easiest place to make a oil return?
(This post was last modified: 09-24-2015, 05:41 AM by Dieseeelstar.)
08-31-2015, 08:56 AM
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mike-81-240d Offline
more like mike-84-300d now
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#2
RE: My W123 with om605
Are the om601 arms from a stock 190D? What can you get a om605 turbo engine for price wise over there? I'm looking to import one eventually for my s123.
1981 Mercedes 300TD Lowered 4 speed manual Holset HX30 
08-31-2015, 12:12 PM
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Dieseeelstar Offline
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#3
RE: My W123 with om605
(08-31-2015, 12:12 PM)mike-81-240d Wrote: Are the om601 arms from a stock 190D? What can you get a om605 turbo engine for price wise over there? I'm looking to import one eventually for my s123.

Ye i quess so i had them from an old engine i had before i can send you the number on the arms if you want me to =), prob around 500-600 euro theyre pretty pricey.
08-31-2015, 12:35 PM
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EmJay Offline
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#4
RE: My W123 with om605
Very nice!
1987 Mazda B2200 "outlaw" **planning phase**  Chevy 283, Power Pack heads, Edelbrock carb and intake, turbo 350 trans Smile
1985 Mercedes 300D stock for now
08-31-2015, 08:03 PM
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Dieseeelstar Offline
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#5
RE: My W123 with om605
Was bored today so decided to adjust fuel screw to prepare for the upcoming turbo convert, were is the easiest place to make a oil return for the turbo?

   
09-01-2015, 12:04 PM
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Tito Offline
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#6
RE: My W123 with om605
The stock oil return for turbo engines is also there on n/a engines. It's near the 2/3 cylinder just above the oil sump. Just drill it with a 12/13mm hole and m6 at both sides. That way it's just like a turbo engine.
09-01-2015, 01:52 PM
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Dieseeelstar Offline
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#7
RE: My W123 with om605
So i found a turbo engine instead and decied to put it in so heres the result, but i have a problem i got no boost and it almost have no power i have connect the wastegate to direct vacuum.

   

   

The ip is from a 605 naturally aspirated with rs 201 and turned up max on the fuel screw.
(This post was last modified: 09-23-2015, 08:04 AM by Dieseeelstar.)
09-23-2015, 07:50 AM
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Petar Offline
7.5mm M pump
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#8
RE: My W123 with om605
EGR valve leaking ?? Try removing it completely.
09-23-2015, 02:32 PM
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Dieseeelstar Offline
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#9
RE: My W123 with om605 turbo
Thanks i will try that but thing is i had 1 bar of boost at one point next day nothing and when i had the boost it still didnt give more power than now it feelt like feels so powerless
(09-23-2015, 02:32 PM)Petar Wrote: EGR valve leaking ?? Try removing it completely.
(This post was last modified: 09-24-2015, 09:04 AM by Dieseeelstar.)
09-24-2015, 08:50 AM
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STDGer Offline
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#10
RE: My W123 with om605 turbo
Are u using thr original turbo? Ive the same engine in my cklass. Test connecting the wastegate to a vacuum line of the engine, not to the pressure site oft the turbo.
09-25-2015, 01:15 PM
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Repetitio Offline
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#11
RE: My W123 with om605 turbo
i had that problem too dieseeelstar, i dont know how much electric you have, but in my case the car was going into limp mode without showing it. A hose have been wrong connected to the magnetic valve before the wastegate. Maybe check that...
(This post was last modified: 09-26-2015, 05:29 AM by Repetitio.)
09-26-2015, 05:28 AM
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Dieseeelstar Offline
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#12
RE: My W123 with om605 turbo
(09-26-2015, 05:28 AM)Repetitio Wrote: i had that problem too dieseeelstar, i dont know how much electric you have, but in my case the car was going into limp mode without showing it. A hose have been wrong connected to the magnetic valve before the wastegate. Maybe check that...

I have a mechanical ip so no electrics and The wastegate is directly connected to The vacum pump so it has vacum all the time.
09-26-2015, 06:22 AM
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MrHope Offline
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#13
RE: My W123 with om605 turbo
The original garrett turbo has a vaccum controlled wastegate , not boost controlled like the older ones, try attach vaccum when engine is running to see if it moves.
.
W460 300GD with om605 Turbo 6mm pump Build Thread!
W124 300D 1985 (daily driver)
10-19-2015, 03:44 PM
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Dieseeelstar Offline
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#14
RE: My W123 with om605 turbo
Seems to work now i had a vacum leak.
10-21-2015, 11:53 AM
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