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Go Back   PeachParts Mercedes-Benz Forum > Mercedes-Benz Tech Information and Support > Diesel Discussion > Diesel Performance Tuning

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  #1  
Old 04-28-2009, 03:29 AM
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11.79 @.....

haha sorry to mislead but thats my 0-60, i timed it today on the way home from school at a tollbooth, and i got 11.79 sec to 60, i held the brake and brought the boost up before i took off (actually got a little wheelspin ) so hopfully i can get that number even lower, id like to be in the 7 or 8 second range if thats not too much of a low number to strive for...

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  #2  
Old 04-28-2009, 03:39 AM
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Originally Posted by TurboSDL View Post
so hopfully i can get that number even lower, id like to be in the 7 or 8 second range if thats not too much of a low number to strive for.
Figure about $3000 in parts and work, you'll get there.
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  #3  
Old 04-28-2009, 07:03 AM
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where do u think ill be after i turn up the full load screw and intercool it?
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1999 saab 9-3 turbo
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  #4  
Old 04-28-2009, 10:23 AM
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My E300, stock will run an 8.5 sec 0-60 (or therabouts) with 175 HP.

I don't even think it's possible to max out the pump on an OM617 enough to get 175 HP with the stock elements and intercooling won't do much good at stock boost levels.

Some good initial performance mods are the installation of an upgraded turbo (VGT, like some of the guy have done here), intercooling and maxing out the full load adjustment.

Beyond that, you could try a set of Tomnik's 6mm "Holly" pump elements and I think you'd be in the park.
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  #5  
Old 04-28-2009, 02:54 PM
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so i should turn the full load screw as much as i can? whats the best turbo to put on my car... aftermarket or from another vehicle? and does anyone make performance injectors for the 617?
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1998 VW GTI VR6
1996 VW GTI 2.0
1999 saab 9-3 turbo
1987 300sdl (sold)
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  #6  
Old 04-28-2009, 03:57 PM
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Just remove the full load lever. The screw only has a 20p range (max up to 145hp) so you might as well go all the way. Search "MW-pump full load adjustment" under my user name and you'll find the detailed guides.
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  #7  
Old 04-28-2009, 08:17 PM
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Originally Posted by ForcedInduction View Post
Just remove the full load lever. The screw only has a 20p range (max up to 145hp) so you might as well go all the way. Search "MW-pump full load adjustment" under my user name and you'll find the detailed guides.
real quik before i search do i have to pull the plate off the pump to pull the full load lever?
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1999 saab 9-3 turbo
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  #8  
Old 04-28-2009, 10:57 PM
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Yes. You have to remove the plate to adjust it anyways.
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  #9  
Old 05-03-2009, 02:02 PM
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so is it easier to remove the oil filter housing or just try and get the plate off without removing the filter housing? looks like somewhat of a PITA to take off the filter housing..
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1999 saab 9-3 turbo
1987 300sdl (sold)
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  #10  
Old 05-03-2009, 05:27 PM
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I didn't have any problems with it in place. Get a right angle screwdriver and a normal screwdriver about 12" long. If you replace the flatblade bolts with allen head bolts it will make later adjustments much easier. A strong 1/4" pen magnet can also be used once the bolts are loose.

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  #11  
Old 05-04-2009, 06:29 AM
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Once you've had your pump out a couple times and familiarized yourself with the position and workings of the adjustments things get easier, for the first few times I'd take the pump out. Here is a quick run down on how I get the pump out with the filter in place.

Re: IP Full Load Adjustment Procedure for the OM61x series
I thought I would add a quick comment about R&R of the mw pump. While I was making many small changes in succession and I had the pump in and out a lot. I got it down to under 30 mins from shutdown on the bench and back on and running again. The key was removing the lower support bracket from the block and the pump. With this out of the way all you have to do is set your timing or insert the pin, remove the three mounting nuts and the fuel lines and linkage, grasp the pump by the ALDA and lift up and back. Once you have zeroed in on a setting it is a good idea to reinstall the bracket. The return spring can be a *****. I hope this helps and encourages more of you guys to go after these adjustments in a incremental fashion.

Bob

Oh yeah this is done with everything else still in place oil filter, shutdown and all.
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  #12  
Old 05-04-2009, 06:49 PM
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i dont kno how to adjust the timing on the pump tho i havnt gotten that far in my research yet. i feel like i might screw somthing up if i take the whole pump out, do u have any pics of the removal process?
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1998 VW GTI VR6
1996 VW GTI 2.0
1999 saab 9-3 turbo
1987 300sdl (sold)
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  #13  
Old 05-04-2009, 08:30 PM
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On an 85 you are in luck as your IP has the port for a timing pin, that makes things much easier. There used to be a few sites that had bootleg MB manuals, or you could just buy the official CD. It is a good investment.
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  #14  
Old 05-09-2009, 11:15 AM
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what does the timing pin do? is it like on the big rig diesels where u set the motor to like tdc #1 and put a pin in the flywheel? how do i do it? my haynes manual isnt much help
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1985 mercedes benz 300D turbo diesel
1998 VW GTI VR6
1996 VW GTI 2.0
1999 saab 9-3 turbo
1987 300sdl (sold)
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  #15  
Old 05-10-2009, 12:18 AM
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$400 at the junkyard will get you a euro-spec 500 motor, that'll get you in the 7-8 second range

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