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  #1  
Old 10-26-2004, 09:18 PM
"Da Benzito"
 
Join Date: Oct 2004
Location: Durham, NC
Posts: 106
New to forum, couple of 300sd questions.

Hi everybody. This is my first post as you can see, but I have been searching the threads for about a week and have been amazed at everything you all know about diesels, and diesel performance. I have a couple of questions I wanted to see if you all could help me with. First off, I have the Wade Performance stage 2 intake on my 300sd. I installed everything but some strange things are happening now. At about 2500rpm all the way to about 4200rpm I hear this strange high pitched whining noise coming from the turbo, it increases with throttle position and around 2500rpm the noise goes away again. Any clue as to what that could be?? Also I have a turbo xs boost controller and an autometer boost gauge installed but can't get the gauge to read boost?? The gauge reads good vacuum, but we can never it get it to read a boost. I read an article stating that sometimes a valve in the wastegate can get stuck open preventing boost from builiding up. I wanted to know if there was anyway to overide the internal wastegate or to stop this without having to open up the turbo. I read on this site I can plug the arv, but would this solve my wastegate problem. More questions to come soon, thanks in advance!!! Oh yeah, were do you get the braided vacuum lines from?

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  #2  
Old 10-26-2004, 09:31 PM
1985 300SD Sady's Avatar
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Location: Cincinnati, Ohio
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What vacuum lines are braided on your 300sd?

If your talking about the braided lines daisy linking your injectors, that is the fuel return hose. Basically, the injection pump supplys the injectors with as much fuel as they could every possibly use, and the excess flows through those lines, through the spin-on filter, and down the return fuel line.

if you want to know where to get this hose, for vacuum line, or any other part for your car, scroll to the top of this page and click on the banners that says "New and much Improved Fastlane" Select your vehicle and your part. If its not listed call the toll free # and talk to Phil he'll take care of you, hes good people.

Also, from newbie to newbie, search before you ask.

:EDIT: remove

Last edited by 1985 300SD Sady; 10-27-2004 at 08:43 PM.
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  #3  
Old 10-26-2004, 11:27 PM
"Da Benzito"
 
Join Date: Oct 2004
Location: Durham, NC
Posts: 106
No, no, no, not the lines linking the injectors, the braided hoses some people use to connect to wastegate and arv. I guess you missed the rest of the questions, because you didn't comment on them??

Oh yeah, for future reference, if this is how you feel, "this is a link that you need to look at" I would appreciate you not responding to my posts, because trying to make me look like an dumb axx doesn't benefit you or me.
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  #4  
Old 10-27-2004, 12:26 AM
Palangi's Avatar
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Mr, Rider, you may find that an adult approach will work better for you on this forum.
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  #5  
Old 10-27-2004, 01:40 AM
123c
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Quote:
Originally Posted by Palangi
Mr, Rider, you may find that an adult approach will work better for you on this forum.
I would have to agree, probally won't get any help from whunter now...
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  #6  
Old 10-27-2004, 01:56 AM
JimmyL's Avatar
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Join Date: May 2004
Location: Sunnyvale, Texas (DFW)
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Rider,
You have made a mistake.
I would suggest creating a new forum identity and utilize it in a way less befitting a horses arse. Ask for help, and then berate those that respond?? Are you even old enough to drive?
You would be wise to do what I recommend, as there is more knowledge and help here than you could ever hope to find elsewhere.
Good luck,
JL
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Last edited by JimmyL; 10-27-2004 at 12:50 PM.
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  #7  
Old 10-27-2004, 04:50 AM
vwbuge's Avatar
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Join Date: Sep 2001
Location: Johnstown, Pennsylvania
Posts: 2,116
The high pitch noise you hear is the turbo spinning. This is normal given the intake kit you have installed.
How is your boost guage installed? Given that you have the boost controller also I doubt that your wastegate is opening early or stuck open. If the controller was intalled properly and still working, a stuck wastegate wouldn't matter.
How does the car run?
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  #8  
Old 10-27-2004, 12:32 PM
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Join Date: Jun 2001
Location: Northern Calif. (Fairfield Area)
Posts: 2,225
Easy there Knight Rider. The member you attacked is only 15 years old and over eager. He has just spent several weeks getting a dead MB to run. It's his first car. He's tackled a big job and succeded. A lot of folks here have taken him under their wing and talked him through it all. He is over excited so you have to cut him some slack. I remember when I got my first car many years ago. I didn't sleep all night. I checked the window constantly to make sure it was still there. Now if you want to start over, what is past is past. Welcome to the group. I think you will find a lot of useful information here.

Peter
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  #9  
Old 10-27-2004, 02:18 PM
Hatterasguy's Avatar
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Whats a Wade Performance stage 2 intake? The noise you are hearing is the turbo it doesn't really go to work until around 2,500rpm.
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  #10  
Old 10-27-2004, 02:40 PM
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Location: Virginia
Posts: 550
In Knight Rider's defense, the "How To Be a Good Poster" link that was posted could be taken as an attempted put-down. Clearly, those of us who post here and have followed Sady's progress know this was NOT what was intended. I will say that the tone of posting here, unlike many other forums on the net, is polite and genteel (esp. now that OD is gone ). I'm Knight will quickly discover that he'll get much better results if he adheres to that.

Now, Knight, I believe that there are two varieties of MB turbo. One (KKK) has an adjustable wastegate, the other (Garrett) doesn't. Of course, in either case you could have crud keeping the wastegate from fully closing, and therefore never make boost.

I thought the ARV you asked about was a feature of the OM603? Do you have an 300SD or a 300SDL?
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  #11  
Old 10-27-2004, 03:21 PM
boneheaddoctor's Avatar
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Join Date: May 2004
Location: Hells half acre (Great Falls, Virginia)
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Quote:
Originally Posted by Hatterasguy
Whats a Wade Performance stage 2 intake? The noise you are hearing is the turbo it doesn't really go to work until around 2,500rpm.
I have the same one on mine, It spools at about 2,000 rpm, lower than with stock airbox. That was about 2,500 when you heard it coming on strong.

Now I am talking about a 617 turbo motor.
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  #12  
Old 10-27-2004, 03:21 PM
1985 300SD Sady's Avatar
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yes, everyone is right, I am deffinatly way too over excited, and I didnt mean the link as a put down. Im sorry that I offended you, it wont happen again,

Welcome!
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  #13  
Old 10-27-2004, 03:33 PM
boneheaddoctor's Avatar
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Join Date: May 2004
Location: Hells half acre (Great Falls, Virginia)
Posts: 16,007
I never saw sady's response to the poster as nasty. And could tell the age from his response (knight Rider), way too touchy, that usually equates to young.

point is people in general are NOT nasty on this board. People who have been here for a while know this and newbies will learn it in time.

In a nutshell, there is no reason to get your shorts tied in a knot, chances are you misunderstood the intent, or it was meant in jest.
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Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
---------------------
Section 609 MVAC Certified
---------------------
"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche
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  #14  
Old 10-27-2004, 06:58 PM
"Da Benzito"
 
Join Date: Oct 2004
Location: Durham, NC
Posts: 106
Now that we have that matter cleared up, we can get to the heart of my question. I actually have an 1985 300sd and a 1986 300sdl. I am not too fond of the 300sdl though, because it has so many little problems that I don't even bother it. The 300sd on the otherhand is in excellent condition, seeing as how we have had it since it was new in 1985. The boost gauge I have is an autometer ultralite unit which we have been able to get it to read a vacuum, but no boost, the gauge doesn't move past zero on the boost side. I got another gauge to verify that the problem was not in the gauge and it is not. I wanted to see if there was a way to overide the wastegate on these units. If the flap is open and stopping me from building boost pressure then I will have to remove the turbo to try to fix the problem, correct. It would be less expensive for me just to switch it out with another turbo, because I currently have or have access to both the 3k turbo unit or the garrett unit. Which unit would be better to have installed if a swap is neccessary, because some have told me that garrett makes the best turbos, while others have said the 3k would work better. My only problem is that I don't want to pay somebody to swap the turbo out of my car now if it is not defective.
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  #15  
Old 10-27-2004, 07:15 PM
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Location: Northern Calif. (Fairfield Area)
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[QUOTE=Knight Rider521]Now that we have that matter cleared up, we can get to the heart of my question.

You seem to be pretty well focused on the needs of night rider.

Peter

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