Hey Cerven,
I have about 60K on my 616 running a Garrett t-3 (.36 A/R turbine) with no problems whatsoever. 9-10 pounds of boost (it will go to about 14), 135bar injectors, 3.07 gears, and the IP is cranked up too. I do have an oil cooler off of a 300 which probably helps the pistons a bit and I don't run it at 100 mph for hours on end, but short high power blasts to get on the freeway happen daily.
Mileage runs between 32-34 at 70 mph with the automatic tranny or about 36 with the standard. Yes, I really have run the car with both transmissions, and it is definitly faster with the auto. I do not have accurate 0-60 times to report, but when I get my G- Tech I'll post them.

You really can turbo the 616 into a pretty good, reliable, fuel effiecent runner.

Just reporting my experience, yours may differ!
Cheers, Chris

its just more efficient to have an aneroid to control the inital overboost.

__________________
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac?

As long as they would add one additional commandment for you to keep thy religion to thyself.
George Carlin (Wonder where he is now..)

1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won.

pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt.

hint...hint...i have one for yah, check the link

Parting out 1981 300SD, good engine bad trans

__________________
Current:
05 E320 CDI
07 GL320 CDI
08 Sprinter
05 Dodge Cummins
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Previous
2004 E55 AMG
2002 C32 AMG (#2)
1995 E300
1978 300D
1987 300D
2002 C32 AMG(blown motor :[
1981 300SD
1983 300SD
1987 300SDL
2002 Jetta TDI
1996 S420
1995 S500
1993 190E 2.6
1992 190E 2.3
1985 190E 2.3 5-Speed

You probably mean initial lack of boost.

I don't use an aneroid and my MPG is no different without it.

ah i meant overfuel

__________________
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac?

As long as they would add one additional commandment for you to keep thy religion to thyself.
George Carlin (Wonder where he is now..)

1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won.

pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt.

Gotcha.

Anything i can do to up the performance mechanically? different rings? pistons? valves? head surfacing? porting? i mean nothing TOO deep but i mean something you can do or buy differently. but i want the same reliability of the original Mercedes part.

__________________
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac?

As long as they would add one additional commandment for you to keep thy religion to thyself.
George Carlin (Wonder where he is now..)

1981 240d (engine donor 1983 240d) recently rebuilt engine hurray! - No more.. fought a tree and the tree won.

pearl black 1983 240d 4speed (Converted!@$$%) atleast the tranny was rebuilt.

Can you send me pics of your set up? What manifold did you run? I was thinking about modifying a 115 manifold. I want that center exhaust exit. Any info would be great.
Thanks

The OM616 when properly turbo charged by the factory like the one I have on my Gurkha is a percet balance, it develops 91bhp, good enough to push it even on a heavy vehicle like mine and returns and excellent 36mpg on hwy.

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99 Gurkha with OM616 IDI turbo

2015 Gurkha with OM616 DI turbo

2014 Rexton W with OM612 VGT

My tran only has 109k on it . However with 2.88 I really have to work it to get even a squeek out. Hopefully that will change with new injectors and PCs. On the NA 300 w/ M pump I could spin wheels until the cows came home and that was 3.07 rear I believe.

__________________
http://superturbodiesel.com/images/sig.04.10.jpg
1995 E420 Schwarz
1995 E300 Weiss
#1987 300D Sturmmachine
#1991 300D Nearly Perfect
#1994 E320 Cabriolet
#1995 E320 Touring
#1985 300D Sedan
OBK #42

Probably a 3.46 like the autos unless MB changed the diff with the manual 300s.

I'd like to try a euro M-pump, crank it up as far as it can go and see if it will make as much or more power than the turbo MW-pump.

Can you post a video showing a 0-60 run? That's about 3 seconds faster than the MB original claimed and nearly all other people's experiences.

The one thing you can do is use Childs and Albert piston rings! They are gappless and totally self sealing. (I don't know if genuine Mercedes Benz ones are or not.) Childs and Albert have been making high performance products for gas and diesel engines for a long time now and I've yet to hear any complaints! DO NOT use Chrome rings unless you are willing to trade off cylinder wall wear for longer ring life. I don't know how long most here are willing to put up with an unoptomised engine, but my 1983 300D Turbo will go from 0 to 65 MPH in just a hair under 10 seconds running on biodiesel.

OH, I almost forgot.... Have your machine shop knurl your valve guides slightly if they will and go with a 3 angle valve job! These things I mentioned here will not only boost your preformance, but will also increase your fuel economy! REMEMBER! You DO NOT have to sacrifice fuel economy for performance in ANY engine if your build is done right! Pick up a book called "Smokey Yunick's power building secrets". Many of the mechanical recommendations pertain to both gas and DIESEL engines! You will learn a lot! Good Luck and show us the finished product!

The same guy that built a turbocharged Fiero and claimed it was not a down-draft carburated turbo gasser but a "hot-air-engine".