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Old 03-11-2008, 12:23 AM
Join Date: May 2002
Location: Blue Point, NY
Posts: 25,396
Diesel Performance Tuning

Welcome to the new forum.

We've dedicated this forum to those who wish to extract additional performance.........above and beyond factory specifications...........from their diesel Mercedes.

Accordingly, it is requested that all threads be relevant to performance increases and not how to make the vehicle perform to factory specs.

I'll also request to please advise me of any existing threads on DD that should be moved to the new forum.

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Old 03-11-2008, 12:27 AM
DeliveryValve's Avatar
Chairman of my Benz
Join Date: Jun 2006
Location: Central California
Posts: 4,105
Thanks Brian,

Looking forward to seeing what the Members are bring'n to the table in regards to making our diesels go quicker!
1983 123.133 California
- GreaseCar Veg System

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Old 03-11-2008, 05:33 AM
Posts: n/a

Sorry for all my locked threads. I tend to lock my old ones as time passes and they are no longer relevant to my situation or I just feel like I don't want them brought back to the top.
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Old 03-11-2008, 01:09 PM
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Old 03-21-2008, 04:48 PM
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Join Date: Feb 2008
Posts: 2
Hello - this is very timely. Looking forward to a treasury of info. I can apply to my 85 300D Turbo.
Simplify...Decision determines destination
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Old 11-30-2009, 06:20 PM
Join Date: Nov 2009
Location: Morrison
Posts: 6
wheres a guide to turn up my pump?
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Old 12-01-2009, 01:16 PM
lefrisbee's Avatar
Registered User
Join Date: Jun 2008
Location: D'ville, GA
Posts: 27
Originally Posted by Hhiiimmmmm View Post
wheres a guide to turn up my pump?
Here's a detailed guide on how to make the full load adjustment. I suggest reading through all that information then spending a lot of time searching on this site before you make any adjustments to your IP. It's really easy to damage your engine if you're not careful.
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Old 04-26-2010, 04:19 AM
Join Date: Apr 2010
Posts: 42
Thanks! Thats a huge help!
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Old 09-24-2010, 09:15 PM
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Join Date: Sep 2010
Location: South Carolina
Posts: 5,117
Removal of EGR Valve

This is probably old news, but I would like to share my results. Removing the EGR Valve did improve the performance of my car, although it was only considerably noticable in the mornings. The upper part of where the EGR Valve used to sit consists of a simple plate, 1/4 inch aluminum, and the bottom is the remains of the EGR tube. I cut the tube leaving about 3/8" inch. The tube itself slightly narrows. A US quarter fits perfectly inside and it will not push out. Then, I poured in JB weld behind it and let it sit overnight. Next morning, JB weld on the front, but the front only permits a thin coating. The factory clamp goes on perfectly since you are using the original EGR tube, although just 3/8" of it. No leaks, and when you hit the pedel on cooler mornings, the old greazzer will hit 50 mph pretty quickly -- certainly quicker than before with the EGR.
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Old 12-09-2011, 11:19 AM
piccolovic's Avatar
Join Date: Jun 2002
Location: FL
Posts: 777
617 Performance

How would one bump up the mileage through these adjustments?
1983 300D, the "Avocado"
1976 240D, 4-spd the "Pumpkin", SOLD to Pierre
1984 190D, 2.2L, 5-spd, my intro to MBZ diesels, crashed into in 2002
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Old 05-19-2012, 08:31 PM
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Join Date: May 2012
Location: Waveland IN
Posts: 1
Post Fuel

I am new to this so hello. I have a 84 300D that i get around 26 to 30 mpgs and can still take off and power brake with no problems with simple adjustments and changing out that air intake system will have pics to show soon I also drive spirited and its hard to get a puff of black smoke out it cuz its running right with 238000 miles on it. I would like to get more info on whats up with the garret turbo and adjusting it. and use royal purple.
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Old 08-01-2012, 11:07 PM
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Join Date: Jul 2012
Posts: 48
i have a garett turbos layin around and i have a kkk on my daily driver is it worth swappin out
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Old 01-06-2013, 12:54 AM
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Join Date: Jan 2013
Location: Twin Falls ID
Posts: 8
updated link...

IP Full Load Adjustment Procedure for the MW and M pumps
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Old 03-21-2015, 07:30 PM
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Join Date: Mar 2015
Posts: 5
Guys, I'm in the UK, I have a 99 w210 e300 606.962 I think is the engine, straight six 24 valve turbo intercooler not common rail you know the engine i mean, anyway what's the first thing to do to get more power without spending lots of time or money.
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Old 03-22-2015, 10:25 AM
oldsinner111's Avatar
love all animals
Join Date: Nov 2008
Location: bristol,tn
Posts: 5,232
you could simply pump 10 psi,of propane into the intake,and have a switch for full throttle. Instant 100 hp.
veteran,mother german,born in stuttgart,shoot a racist for Isis
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