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OM Exhaust Manifold Thread
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DeliveryValve Offline
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Post: #1
OM Exhaust Manifold Thread
Here are pictures of various 617 exhaust manifolds I've collected and thought it would be useful for some to see the differences. If there are any more variations please post them.

EGR Turbo Manifold

   


1978 Non-EGR Turbo Manifold - top vs 1984 EGR Turbo Manifold - bottom:front view (Notice single runner on rear exhaust ports - on left.)

   


1984 EGR Turbo Manifold - top vs 1978 Non-EGR Turbo Manifold - bottom : top view

   


1978 Non-EGR Turbo Manifold - top vs 1984 EGR Turbo Manifold - bottom: back view

   


N/A Manifold from 1978 w123 300D

   


1978 N/A Manifold - left vs 1984 EGR Turbo Manifold - Right

   


EGR Turbo Manifold - Top vs N/A Manifold - Bottom: top view

   


EGR Turbo Manifold - Top vs N/A Manifold - Bottom (Notice dual runners for rear exhaust ports): front view

   


EGR Turbo Manifold - Top vs N/A Manifold - Bottom: back view

   


N/A Manifold from 1975 W115 300D - Exhaust ports 1, 3, & 4 are exit the top port. Exhaust ports 2 & 5 exit lower port.

   


N/A Manifold from 1975 W115 300D: Back view

   


N/A Manifold from 1975 W115 300D: top view

   


N/A Manifold from 1975 w115 300D- left vs N/A Manifold from 1978 w123 300D

   


W115 N/A Manifold - Top vs Non-EGR Turbo Manifold - Middle vs EGR turbo Manifold - Bottom

   


W115 N/A Manifold - Left vs w123 N/A Manifold - Middle vs EGR turbo Manifold.

   







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Gota love Mercedes Diesels!



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(This post was last modified: 08-11-2011 07:54 AM by winmutt.)
09-03-2010 05:22 PM
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ForcedInduction Offline
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Post: #2
RE: 617 Exhaust Manifold Thread.
OM603, TrapOx
   

OM603, non-TrapOx
   

TrapOx/Oxcat
   

E320 CDI
   

"Hi tuned" T04 manifold, OM617
       
(This post was last modified: 09-03-2010 06:40 PM by ForcedInduction.)
09-03-2010 06:38 PM
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willbhere4u Offline
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Post: #3
RE: 617 Exhaust Manifold Thread.
That HI tuned one's pretty! Is that aftermarket?

1987 300SDL soon to be 6spd______6cyl 6spd
1985 300td euro 5spd wagon ______5cyl 5spd
1980 240D 4spd Rajay turbo kit_____4cyl 4spd
1964 220S
09-03-2010 09:54 PM
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garage Offline
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Post: #4
RE: 617 Exhaust Manifold Thread.
Where did that Hi Tuned manifold come from?
09-04-2010 10:33 AM
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ForcedInduction Offline
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Post: #5
RE: 617 Exhaust Manifold Thread.
eBay several years ago. I haven't been able to find any information on it and the seller didn't know anything about its source either.
09-05-2010 02:19 AM
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garage Offline
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Post: #6
RE: 617 Exhaust Manifold Thread.
Thats an awesome find forced!
Seems like your always coming across the cool shit.Tongue
09-05-2010 12:27 PM
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Syncro_G Offline
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Post: #7
RE: 617 Exhaust Manifold Thread.
Found this in
Google Books

It referres to a Dutch company, Van Zijverden Turbo B. V.

-------------
'84 G-Wagen turbodiesel
'75 240D 4-Speed
(This post was last modified: 09-05-2010 08:01 PM by Syncro_G.)
09-05-2010 07:58 PM
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shredator Offline
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Post: #8
RE: 617 Exhaust Manifold Thread.
I'll add one Smile


Attached File(s) Thumbnail(s)
   
09-07-2010 08:34 PM
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garage Offline
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Post: #9
RE: 617 Exhaust Manifold Thread.
(09-07-2010 08:34 PM)shredator Wrote:  I'll add one Smile

Thats fucking gorgeous!
Exactly what i want for my 616

Any pics of it installed?
(This post was last modified: 09-07-2010 10:18 PM by garage.)
09-07-2010 10:17 PM
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Captain America Offline
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Post: #10
RE: 617 Exhaust Manifold Thread.
(09-07-2010 08:34 PM)shredator Wrote:  I'll add one Smile

Wow, welded straight to the cast manifold .... That's interesting! Don't think I've seen that done before...

1982 300D Turbo ... The Tank ... E-fans, Exhaust/Down pipe ends at Firewall, A/C delete, ALDA delete, Rack limiter delete
2009 Buell 1125CR ... 146 American Made horse power on two wheels
1972 GMC Sprint (El Camino) ... http://www.youtube.com/watch?v=G73Q8cSpEbs
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09-09-2010 09:54 AM
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ORION_theArcher Offline
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Post: #11
RE: 617 Exhaust Manifold Thread.
I've heard that steel to cast requires a low hydrogen welder for proper bonding. But if anyone knows of where to find another 617 turbo hi tuned manifold is pm me, I will buy one.
09-09-2010 10:32 AM
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DeliveryValve Offline
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Post: #12
RE: 617 Exhaust Manifold Thread.
Add from member Einar's post.
http://www.superturbodiesel.com/std/turb...-1731.html

615/616 aftermarket turbo manifold.
Grenrör med IHI RHB5-fläns till Mercedes 200/220/240D W123.

   


http://www.gikturbo.se/performance/avgas...cedes.html



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Gota love Mercedes Diesels!



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09-12-2010 07:07 PM
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ben2go Offline
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Post: #13
RE: OM Exhaust Manifold Thread
OK.Which manifold and turbo is best for a stock 84' OM617 with only IP tweeks and a free flowing exhaust?I'm looking for direct bolt on from another common Mercedes engine.Maybe the original is best?

1990 Mercury Blue Max Cougar 3.8L with Automatic
Future OM617 Super Turbo Diesel Conversion with T56 6 Speed Manual
09-14-2010 09:29 PM
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ForcedInduction Offline
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Post: #14
RE: OM Exhaust Manifold Thread
Intake and exhaust manifolds from a 78-79 300SD. They eliminate the EGR completely and the exhaust manifold flows more freely due to larger passages.
(This post was last modified: 09-15-2010 05:09 AM by ForcedInduction.)
09-15-2010 05:08 AM
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ben2go Offline
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Post: #15
RE: OM Exhaust Manifold Thread
Thanks.That's good info.

1990 Mercury Blue Max Cougar 3.8L with Automatic
Future OM617 Super Turbo Diesel Conversion with T56 6 Speed Manual
09-15-2010 07:10 AM
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winmutt Offline
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Post: #16
RE: OM Exhaust Manifold Thread


Attached File(s) Image(s)
   

1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
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10-19-2010 01:51 PM
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George3soccer Offline
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Post: #17
RE: OM Exhaust Manifold Thread
looks to me like a 606 manifold, hence the triangular k turbo flange.
10-19-2010 03:00 PM
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muuris Offline
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Post: #18
RE: OM Exhaust Manifold Thread
(10-19-2010 01:51 PM)winmutt Wrote:  om603 euro on ebay now http://cgi.ebay.co.uk/Mercedes-exhaust-m..._500wt_922

That's clearly OM606 manifold. Triangular turbo flange and wide exhaust valve ports.
10-19-2010 03:16 PM
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willbhere4u Offline
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Post: #19
RE: OM Exhaust Manifold Thread
Interesting maybe I need to look at a om606 turbo to replace my Rajay turbo on my 240d turbo???

1987 300SDL soon to be 6spd______6cyl 6spd
1985 300td euro 5spd wagon ______5cyl 5spd
1980 240D 4spd Rajay turbo kit_____4cyl 4spd
1964 220S
10-19-2010 05:35 PM
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ConnClark Offline
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Post: #20
RE: OM Exhaust Manifold Thread
(09-15-2010 05:08 AM)ForcedInduction Wrote:  Intake and exhaust manifolds from a 78-79 300SD. They eliminate the EGR completely and the exhaust manifold flows more freely due to larger passages.
Are you sure that the later manifolds didn't narrow up the passages to keep the velocity up on the exhaust gasses to spool the turbo at lower rpms?
10-19-2010 06:36 PM
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ForcedInduction Offline
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Post: #21
RE: OM Exhaust Manifold Thread
Thats exactly what they did because the EGR steals exhaust.
10-19-2010 07:59 PM
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ConnClark Offline
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Post: #22
RE: OM Exhaust Manifold Thread
(10-19-2010 07:59 PM)ForcedInduction Wrote:  Thats exactly what they did because the EGR steals exhaust.

So would you agree a 79 manifold gives better topend power due to better flow while an 82+ manifold with the EGR capped would give better lowend power due to better spooling?
10-20-2010 10:56 AM
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ForcedInduction Offline
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Post: #23
RE: OM Exhaust Manifold Thread
No. With the EGR capped you still have the volume of the tube to fill and the turbulence created by the port.
10-20-2010 12:22 PM
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Greg-MT Offline
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Post: #24
RE: OM Exhaust Manifold Thread
I'm new here today.

I have an original 240d TURBO KIT new, still in the box..

It is the last one the Wolf Fengler built. What's it worth, anybody interested?

Greg
http://www.vixenrv.com
406.587.8148
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10-22-2010 05:02 PM
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willbhere4u Offline
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Post: #25
RE: OM Exhaust Manifold Thread
Is it like this one I put on my 240d??? please take some pics!

1987 300SDL soon to be 6spd______6cyl 6spd
1985 300td euro 5spd wagon ______5cyl 5spd
1980 240D 4spd Rajay turbo kit_____4cyl 4spd
1964 220S
10-22-2010 08:01 PM
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DeliveryValve Offline
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Post: #26
RE: OM Exhaust Manifold Thread
OM602 Manifold
   
   
   


Too bad this will not fit on the 617.




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Gota love Mercedes Diesels!



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10-24-2010 08:05 AM
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ben2go Offline
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Post: #27
RE: OM Exhaust Manifold Thread
Would heat transfer cause issues and gasket failures using a one piece flange on a OM617?By one piece, I mean all exhaust ports and intake ports on one single flange.

1990 Mercury Blue Max Cougar 3.8L with Automatic
Future OM617 Super Turbo Diesel Conversion with T56 6 Speed Manual
10-24-2010 01:01 PM
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yankneck696 Offline
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Post: #28
RE: OM Exhaust Manifold Thread
I can definitely see gasket issues with that.
10-24-2010 04:01 PM
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ben2go Offline
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Post: #29
RE: OM Exhaust Manifold Thread
Thanks.That was my thoughts but wasn't 100% sure.

1990 Mercury Blue Max Cougar 3.8L with Automatic
Future OM617 Super Turbo Diesel Conversion with T56 6 Speed Manual
10-26-2010 09:48 PM
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ForcedInduction Offline
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Post: #30
RE: OM Exhaust Manifold Thread
Thats why Mercedes designed the larger 4-part gasket to replace the original flat metal gasket.
(This post was last modified: 10-27-2010 05:17 AM by ForcedInduction.)
10-27-2010 05:12 AM
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ben2go Offline
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Post: #31
RE: OM Exhaust Manifold Thread
What are the factory OM617 gaskets made of?Do copper or aluminum ones work well on a turbo diesel?I've only used aluminum and copper on gassers.Great success there.

1990 Mercury Blue Max Cougar 3.8L with Automatic
Future OM617 Super Turbo Diesel Conversion with T56 6 Speed Manual
10-27-2010 01:01 PM
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DeliveryValve Offline
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Post: #32
RE: OM Exhaust Manifold Thread
1985 617 Cali Manifold for Trap Oxidizer.

Bottom picture courtesy of dieselboy.

   




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Gota love Mercedes Diesels!



.
01-26-2011 07:09 PM
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DeliveryValve Offline
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Post: #33
RE: OM Exhaust Manifold Thread
STT OM617 turbo manifold.

pics courtesy of forum member Merlot.


Attached File(s) Thumbnail(s)
               

Gota love Mercedes Diesels!



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07-01-2011 08:44 PM
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ben2go Offline
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Post: #34
RE: OM Exhaust Manifold Thread
That's sweet mani.Are they available to buy?What vehicle(s) did they come on?Aftermarket?

1990 Mercury Blue Max Cougar 3.8L with Automatic
Future OM617 Super Turbo Diesel Conversion with T56 6 Speed Manual
07-01-2011 11:38 PM
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DeliveryValve Offline
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Post: #35
RE: OM Exhaust Manifold Thread
(07-01-2011 11:38 PM)ben2go Wrote:  That's sweet mani.Are they available to buy?What vehicle(s) did they come on?Aftermarket?

I don't know much about these, just from Merlot's post.
http://www.superturbodiesel.com/std/show...p?tid=2729


I did however see on the STT's website they sell a 300D/300GD turbo system that one can get more info on.

http://www.sttemtec.com/1/1.0.1.0/51/2/



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Gota love Mercedes Diesels!



.
07-02-2011 01:57 AM
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ben2go Offline
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Post: #36
RE: OM Exhaust Manifold Thread
Thanks DV.

1990 Mercury Blue Max Cougar 3.8L with Automatic
Future OM617 Super Turbo Diesel Conversion with T56 6 Speed Manual
07-02-2011 04:16 PM
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winmutt Offline
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Post: #37
RE: OM Exhaust Manifold Thread
OM603 non egr manifold:

[Image: om603.euro.exhaust.manifold.jpg]

1987 300D Sturmmachine
1991 300D Nearly Perfect
1985 300D Weekend/Camping/Dog car
1974 L508D Motoroam Monarch "NightMare"
OBK #42
08-11-2011 08:06 AM
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