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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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  #16  
Old 03-22-2015, 01:44 PM
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Join Date: Mar 2015
Posts: 5
Really? Propane straight into the intake ie air filter. Sounds too good to be true
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  #17  
Old 07-10-2015, 01:09 PM
Love my BENZ
 
Join Date: May 2014
Location: LA California
Posts: 6
Supercharger for 240D

Hello everyone,
am in the process of buying a 1980 240D/ Manual Trans/ 166 000Miles.
Here is my question. I found an AMG Supercharger on line. It is supposed to be for the 240D. Does anyone have any experience with this?
The price is right, around $200.- for the kit
But, does it do anything positive to the performance?
Does it have negative effects on the engine?
Or is it simply a pure waste of time and money?
Thanks guys,looking forward to your replys.

Cheers
Chris
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  #18  
Old 07-10-2015, 05:04 PM
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Join Date: Jun 2007
Location: Bahama/Eno Twp, NC
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Sounds cool. Just keep in mind that with any diesel (or any engine for that matter) you need a way to get more fuel into it along with the additional air. Adding the supercharger will do nothing for you and "turning up the pump" will only go so far as well as pushing the boundaries of injection timing duration, etc...

The proper way to do it is to have the injection pump rebuilt with larger elements. There are some custom 6.5mm pieces available but this process isn't cheap.
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  #19  
Old 07-11-2015, 12:50 AM
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Location: New Zealand
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BTW AMG never did superchargers for diesels but did sell STT turbo kits.
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1978 300D, 373,000km 617.912, 711.113 5 speed, 160cc superpump, HX30W turbo...not yet legal
1984 240TD>300TD 121,000 miles, *sold*
1977 250 parts car
1977 280> 300D - 500,000km...Daily

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  #20  
Old 07-11-2015, 09:58 AM
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Ham Shanker
 
Join Date: May 2008
Location: Baltimore, MD
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Got any pics?

Heck, at $200 I'd probably just buy it. Costs about that much to make your own turbo exhaust manifold when everything's said and done.

The guys who have turboed 240s all have good things to say, just make sure you buy a pyrometer.
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  #21  
Old 07-12-2015, 12:13 AM
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Posts: 27
So far for my 82 300d I've removed that junky stock air cleaner style intake and installed a simpler, more efficient conical filter setup which releases blow by as exhaust and not spewing hot air and oil into the turbo and intake. It sounds great, you can really hear the turbo, but you only notice a power gain when you're accelerating at 70mph+.

I've also done an egr delete and that's made a more noticeable difference. The car also runs at 90-82*C when it used to run at 100-90*C, so significantly cooler.

I eventually plan on taking off the turbo and intake manifold to clean and re-gasket.

Also, I plan on removing the hood insulator and instead painting the bottom with high heat wrinkle paint to further lower engine bay temp.
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  #22  
Old 07-12-2015, 02:19 AM
Love my BENZ
 
Join Date: May 2014
Location: LA California
Posts: 6
Hi,
thanks for all the feedback.
@NZScott
Here is the official Title and link
http://www.ebay.com/itm/Mercedes-Benz-Electric-Turbo-Air-Intake-Supercharger-AMG-Fan-Kit-FREE-USA-SHIP-/261269240880?hash=item3cd4dc3c30&vxp=mtr:
Mercedes Benz Electric Turbo Air Intake Supercharger AMG Fan Kit
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  #23  
Old 07-12-2015, 04:07 AM
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Join Date: Oct 2013
Location: New Zealand
Posts: 435
Oh deary me.

No. Just no.

Those things are just gimmicks, a leaf blower would push more air.
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1978 300D, 373,000km 617.912, 711.113 5 speed, 160cc superpump, HX30W turbo...not yet legal
1984 240TD>300TD 121,000 miles, *sold*
1977 250 parts car
1977 280> 300D - 500,000km...Daily

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  #24  
Old 07-12-2015, 05:44 AM
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Join Date: Jun 2007
Location: Bahama/Eno Twp, NC
Posts: 3,249
Wow, those kits are completely fraudulent. Don't waste your money.
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  #25  
Old 01-14-2016, 10:37 AM
Fold on dotted line
 
Join Date: Aug 2007
Location: SE Mich
Posts: 3,026
Diesel coolant filtering system

I know that many larger diesels use diesel filter systems to clean the crud out of the water passages on a continuous basis.

I am looking to do the same with a passive system that uses the flow created by the coolant pump to move the fluid through the system.

My plan for each car that I do is to:
1. drain the coolant
2. do the citric acid test after washing
3. replace the coolant
4. add a filter for the future

Has anyone done this?>

The truck filters are very large and some have their own pump, which might disrupt the flow through the smaller car water jacket.

Any and all info appreciated, especially brands, prices and discussion of problems

There's an engineer who writes a column called Bob is the Oil Guy and he is doing this but I have too many questions and his experiment involves a small $1.00 fuel filter.

If I did this, it would be with brass and glass, so it could be reused and cleaned. Plus no chance of leaks due to action of the coolant on the glue holding the filter together.

Thanks!
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  #26  
Old 01-14-2016, 01:10 PM
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Location: Northeast Indiana
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A main function of the coolant filter in large diesels is to maintain the correct SCA levels in the coolant, the "filter" wears out as the SCAs are consumed.

Although this is more important in a large wet-sleeve engine than in our little dry-sleeve engines (to prevent cavitation pitting), you can buy SCAs and diesel coolant from many sources, mine usually comes from Caterpillar. For the Mercedes though, replacing the coolant every 2years with the correct HOAT (Zerex G-05 or Mercedes) will work for most of us.
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  #27  
Old 05-26-2016, 09:48 AM
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Posts: 1
Sleeper project

Hello I'm new to this forum. I purchased a 1983 300sd it has 178000. The odometerhas stopped working on it. There is no rust to be found underneath the car, all of the floorboards are intact. The car is currently in the shop to be brought back to factory specs. This is going to be my project car for now. I'm trying to make it a super sleeper. What can I do and what can the car handle.
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  #28  
Old 06-22-2017, 10:51 PM
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Join Date: Jun 2017
Location: Azerbaiajn
Posts: 1
Exclamation smell inside

Hello ,. my car E270 CDI 2000 year.while driving i feel smeel inside like dust.Can you give any suggetion what part need to be checked or adjustment.

also during 4 years i never cleaned diesel injector . is it good idea?

thanks in advance
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