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  #1  
Old 02-01-2011, 11:59 AM
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617 turbo boost boost

CAn anyone direct me to turbo boost + ALDA adjustment instructions for 617.952 engines ? Please no wild guesses, anything not informed by first hand experience and communication ability.

Thanks in advance.
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  #2  
Old 02-01-2011, 12:15 PM
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... awfully direct for someone who is asking very simple questions that could be found with a search of the performance section. you adjust alda by removing it and placing shims under it, you adjust manifold pressure by creating a leak inbetween the waste gate and where you are getting manifold pressure from. either by using a tee with piece of hose on it with varying size hoses till you get the pressure you want or you by a controller that does it fo you.
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  #3  
Old 02-01-2011, 12:30 PM
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I'm looking for something more clear complete.
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Old 02-01-2011, 12:46 PM
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I found all the info you are asking for with my magical powers of googlefoo.

Seriously the alda is turned ccw in 1/4 turn increments. The waste gate on your turbo I haven't had timne to do mine yet. Have you done a valve adj. yet? I just did mine (om617) & that alone made one hell of a difference...
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Old 02-01-2011, 12:57 PM
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There are DIY on this a plenty. Google or searching here will show that. Adjusting WG depends heavily on the type of turbo, some are easier than others. Dont fiddle with anything until you have adjusted your linkage, adjusted valves, timed your pump, poptested your injectors and replaced your fuel filters. If you have the Garrett turbo I highly recommend just getting a manual boost controller. Adjusting that WG is a PITA.
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Old 02-01-2011, 01:33 PM
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Well, maybe if you need something clearer than that you probably should not be adjusting it.
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  #7  
Old 02-01-2011, 02:17 PM
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Quote:
Originally Posted by DD40AX View Post
Turbo
1: Remove snap ring
2: Pull out cap
3: Loosen jam nut
4: Turn CW to increase boost, 1-turn = ~3/4psi, 13psi MAX

ALDA
1: Peel off aluminum tamper-proof seal.
2: Loosen 10mm nut
3: Adjust screw ccw 1/2turn MAX

Thanks!!
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Old 02-01-2011, 02:50 PM
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Quote:
Originally Posted by Jeff B View Post
Thanks!!
That is for the garrett turbo. Its really easier to spend the 9$ and put a MBC inline the wg hose. The kkk has external adjustments. Adjusting the alda should be the ABSOLUTE LAST THING you do.
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Old 02-01-2011, 02:52 PM
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I can think of things much worse than a alda adjustment
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  #10  
Old 02-01-2011, 02:59 PM
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I am not saying it shouldnt be done, but there are plenty of other gains that are covered by regular maintenance. Shortcutting to the end means that you are not doing the proper maintenance.
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  #11  
Old 02-01-2011, 03:19 PM
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Quote:
Originally Posted by rocket88 View Post
CAn anyone direct me to turbo boost + ALDA adjustment instructions for 617.952 engines ?
I think your first mistake here was not mentioning to what extent you searched the subject and perhaps share example of what you found that doesnt make sense.



Quote:
Originally Posted by rocket88 View Post
Please no wild guesses, anything not informed by first hand experience and communication ability.

Thanks in advance.
Second mistake is to rudely make demands on the community.

Let me also point out that you actually have asked for unhelpful info.
Quote:
Originally Posted by rocket88 View Post
anything not informed by first hand experience and communication ability
This is why it is so important to carefully read what you have typed prior to posting.


Dont take this the wrong way. I am just providing honest feedback.
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  #12  
Old 02-01-2011, 03:23 PM
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Well obviously your maintanence should be covered before you look into any kind of adjustment to well.. anything unless it is part of the formentioned maintenence.
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1996 c2500 suburban with a 6.5 turbo diesel
1981 300sd with a turbo 617
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Old 02-01-2011, 03:48 PM
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ALDA adjust is a normal maintenance item. It loses enrichment capabilities over time, needs to be adjusted per the FSM.
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  #14  
Old 02-01-2011, 03:48 PM
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Quote:
Originally Posted by DD40AX View Post
ALDA is fine. Compensates for over 20+ years of pump wear.
Then you should be looking at your pump not your ALDA.
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1987 300D Sturmmachine
1991 300D Nearly Perfect
1994 E320 Cabriolet
1995 E320 Touring
2001 Eurovan FOR SALE
1985 300D car, sold and missed.
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  #15  
Old 02-01-2011, 03:50 PM
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Quote:
Originally Posted by babymog View Post
needs to be adjusted per the FSM.
What section? I have never seen that anywhere.
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1987 300D Sturmmachine
1991 300D Nearly Perfect
1994 E320 Cabriolet
1995 E320 Touring
2001 Eurovan FOR SALE
1985 300D car, sold and missed.
OBK #42
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