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#32
10-10-2006, 08:13 PM
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dang.. i need to check my turbo bearings out now.. ive bypassed the OBPS and still nothing.. i cant remove my damn alda ... ill just deal with the marginal performace.. at least its faster than when i drove it home from tampa
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#33
10-11-2006, 08:58 AM
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be careful with the carb cleaner, your diesel could run away
__________________
I like cars. 
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#34
10-11-2006, 12:00 PM
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Spray the carb cleaner with the engine off. Let it sit for 30 min to an hour so the carb cleaner can evaporate and the vapors find thier way out through the air cleaner.
__________________
RRGrassi 70's Southern Pacific #5608 Fairmont A-4 MOW car 13 VW JSW 2.0 TDI 193K, Tuned with DPF and EGR Delete. 91 W124 300D Turbo replaced, Pressure W/G actuator installed. 210K 90 Dodge D250 5.9 Cummins/5 speed. 400K
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#35
10-11-2006, 01:14 PM
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If your wondering about the trap ox on an 85 Kali, it sits between the exhaust manifold and the turbo. Since you mentioned the U tube it probably doesn't have the trap ox on it any more. You might need a new wastegate spring, my 85 Kalifornistani 300SD does.
How are you testing your boost? (flooring it, dirving up a steep hill, power braking it, etc...)
__________________
green 85 300SD 200K miles "Das Schlepper Frog" With a OM603 TBO360 turbo ( To be intercooled someday  )(  Kalifornistani emissons  )white 79 300SD 200K'ish miles "Farfegnugen" (RIP - cracked crank) desert storm primer 63 T-bird "The Undead" (long term hibernation) http://ecomodder.com/forum/fe-graphs/sig692a.png Last edited by ConnClark; 10-11-2006 at 01:21 PM.
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#40
10-12-2006, 12:01 AM
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I will have a chance to work on it tomarow. The strange thing is that the boost only gets to 12psi with the waste gate hose disconected and the overboost switch bypassed. I thought it should jump to about 30psi. Also, this dosen't change the performance.
__________________
1980 300TD with 1985 300TD Turbo motor and 240D 4 speed.
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#41
10-12-2006, 12:12 AM
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I still think you have an exhaust restriction somewhere. Maybe you can try disconecting the exhaust at the turbo then give it a try. Make sure to hold the pipe out of the way so it wont find it's way back to where it has been for the past 20 years and restrict exhaust flow.
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#42
10-12-2006, 01:20 AM
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Answer:
Quote:
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#43
10-12-2006, 12:00 PM
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I have the exact same problem with my boost maxing out at 12 PSI. I think the spring is so worn out that the pressure forces the valve open on its own.
__________________
green 85 300SD 200K miles "Das Schlepper Frog" With a OM603 TBO360 turbo ( To be intercooled someday )( Kalifornistani emissons )white 79 300SD 200K'ish miles "Farfegnugen" (RIP - cracked crank) desert storm primer 63 T-bird "The Undead" (long term hibernation) http://ecomodder.com/forum/fe-graphs/sig692a.png
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#44
10-12-2006, 02:15 PM
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Found this article, forget where. I put in a word document. Some of you have probably seen it. Might be helpful to some of you.
__________________
1982 MBZ 300SD Turbo Diesel- just turned 200,000- just breaking her in 
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#45
10-12-2006, 04:58 PM
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Giving credit to the data owner:
Quote:
http://www.serenitysys.com/MB/Service_Info/Turbo_Tweak/tweaking_the_mercedes_617_turbo_.htm Have a great day.
__________________
ASE Master Mechanic asemastermechanic@juno.com Prototype R&D/testing: Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician. Noise Vibration and Harshness (NVH). Dynamometer. Heat exchanger durability. HV-A/C Climate Control. Vehicle build. Fleet Durability Technical Quality Auditor. Automotive Technical Writer 1985 300SD 1983 300D 1984 190D 2003 Volvo V70 2002 Honda Civic https://www.boldegoist.com/
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